diff options
Diffstat (limited to 'io.c')
| -rw-r--r-- | io.c | 680 |
1 files changed, 359 insertions, 321 deletions
@@ -220,12 +220,12 @@ static VALUE sym_DATA; static VALUE sym_HOLE; #endif -static VALUE prep_io(int fd, int fmode, VALUE klass, const char *path); +static VALUE prep_io(int fd, enum rb_io_mode fmode, VALUE klass, const char *path); VALUE rb_io_blocking_region_wait(struct rb_io *io, rb_blocking_function_t *function, void *argument, enum rb_io_event events) { - return rb_thread_io_blocking_call(function, argument, io->fd, events); + return rb_thread_io_blocking_call(io, function, argument, events); } VALUE rb_io_blocking_region(struct rb_io *io, rb_blocking_function_t *function, void *argument) @@ -500,6 +500,7 @@ rb_cloexec_fcntl_dupfd(int fd, int minfd) #define argf_of(obj) (*(struct argf *)DATA_PTR(obj)) #define ARGF argf_of(argf) +#define ARGF_SET(field, value) RB_OBJ_WRITE(argf, &ARGF.field, value) #define GetWriteIO(io) rb_io_get_write_io(io) @@ -1110,7 +1111,7 @@ ruby_dup(int orig) static VALUE io_alloc(VALUE klass) { - NEWOBJ_OF(io, struct RFile, klass, T_FILE, sizeof(struct RFile), 0); + UNPROTECTED_NEWOBJ_OF(io, struct RFile, klass, T_FILE, sizeof(struct RFile)); io->fptr = 0; @@ -1185,7 +1186,8 @@ io_internal_wait(VALUE thread, rb_io_t *fptr, int error, int events, struct time if (error) { errno = error; return -1; - } else { + } + else { // Otherwise, whatever error was generated by `nogvl_wait_for` is the one we want: return ready; } @@ -1290,7 +1292,8 @@ internal_writev_func(void *ptr) static ssize_t rb_io_read_memory(rb_io_t *fptr, void *buf, size_t count) { - VALUE scheduler = rb_fiber_scheduler_current(); + rb_thread_t *th = GET_THREAD(); + VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th); if (scheduler != Qnil) { VALUE result = rb_fiber_scheduler_io_read_memory(scheduler, fptr->self, buf, count, 0); @@ -1300,7 +1303,7 @@ rb_io_read_memory(rb_io_t *fptr, void *buf, size_t count) } struct io_internal_read_struct iis = { - .th = rb_thread_current(), + .th = th->self, .fptr = fptr, .nonblock = 0, .fd = fptr->fd, @@ -1323,7 +1326,8 @@ rb_io_read_memory(rb_io_t *fptr, void *buf, size_t count) static ssize_t rb_io_write_memory(rb_io_t *fptr, const void *buf, size_t count) { - VALUE scheduler = rb_fiber_scheduler_current(); + rb_thread_t *th = GET_THREAD(); + VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th); if (scheduler != Qnil) { VALUE result = rb_fiber_scheduler_io_write_memory(scheduler, fptr->self, buf, count, 0); @@ -1333,7 +1337,7 @@ rb_io_write_memory(rb_io_t *fptr, const void *buf, size_t count) } struct io_internal_write_struct iis = { - .th = rb_thread_current(), + .th = th->self, .fptr = fptr, .nonblock = 0, .fd = fptr->fd, @@ -1359,7 +1363,9 @@ rb_writev_internal(rb_io_t *fptr, const struct iovec *iov, int iovcnt) { if (!iovcnt) return 0; - VALUE scheduler = rb_fiber_scheduler_current(); + rb_thread_t *th = GET_THREAD(); + + VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th); if (scheduler != Qnil) { // This path assumes at least one `iov`: VALUE result = rb_fiber_scheduler_io_write_memory(scheduler, fptr->self, iov[0].iov_base, iov[0].iov_len, 0); @@ -1370,7 +1376,7 @@ rb_writev_internal(rb_io_t *fptr, const struct iovec *iov, int iovcnt) } struct io_internal_writev_struct iis = { - .th = rb_thread_current(), + .th = th->self, .fptr = fptr, .nonblock = 0, .fd = fptr->fd, @@ -1413,10 +1419,34 @@ io_flush_buffer_sync(void *arg) return (VALUE)-1; } +static inline VALUE +io_flush_buffer_fiber_scheduler(VALUE scheduler, rb_io_t *fptr) +{ + VALUE ret = rb_fiber_scheduler_io_write_memory(scheduler, fptr->self, fptr->wbuf.ptr+fptr->wbuf.off, fptr->wbuf.len, 0); + if (!UNDEF_P(ret)) { + ssize_t result = rb_fiber_scheduler_io_result_apply(ret); + if (result > 0) { + fptr->wbuf.off += result; + fptr->wbuf.len -= result; + } + return result >= 0 ? (VALUE)0 : (VALUE)-1; + } + return ret; +} + static VALUE io_flush_buffer_async(VALUE arg) { rb_io_t *fptr = (rb_io_t *)arg; + + VALUE scheduler = rb_fiber_scheduler_current(); + if (scheduler != Qnil) { + VALUE result = io_flush_buffer_fiber_scheduler(scheduler, fptr); + if (!UNDEF_P(result)) { + return result; + } + } + return rb_io_blocking_region_wait(fptr, io_flush_buffer_sync, fptr, RUBY_IO_WRITABLE); } @@ -1452,7 +1482,8 @@ io_fflush(rb_io_t *fptr) VALUE rb_io_wait(VALUE io, VALUE events, VALUE timeout) { - VALUE scheduler = rb_fiber_scheduler_current(); + rb_thread_t *th = GET_THREAD(); + VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th); if (scheduler != Qnil) { return rb_fiber_scheduler_io_wait(scheduler, io, events, timeout); @@ -1473,7 +1504,7 @@ rb_io_wait(VALUE io, VALUE events, VALUE timeout) tv = &tv_storage; } - int ready = rb_thread_wait_for_single_fd(fptr->fd, RB_NUM2INT(events), tv); + int ready = rb_thread_io_wait(th, fptr, RB_NUM2INT(events), tv); if (ready < 0) { rb_sys_fail(0); @@ -1497,17 +1528,15 @@ io_from_fd(int fd) } static int -io_wait_for_single_fd(int fd, int events, struct timeval *timeout) +io_wait_for_single_fd(int fd, int events, struct timeval *timeout, rb_thread_t *th, VALUE scheduler) { - VALUE scheduler = rb_fiber_scheduler_current(); - if (scheduler != Qnil) { return RTEST( rb_fiber_scheduler_io_wait(scheduler, io_from_fd(fd), RB_INT2NUM(events), rb_fiber_scheduler_make_timeout(timeout)) ); } - return rb_thread_wait_for_single_fd(fd, events, timeout); + return rb_thread_wait_for_single_fd(th, fd, events, timeout); } int @@ -1515,7 +1544,8 @@ rb_io_wait_readable(int f) { io_fd_check_closed(f); - VALUE scheduler = rb_fiber_scheduler_current(); + rb_thread_t *th = GET_THREAD(); + VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th); switch (errno) { case EINTR: @@ -1535,7 +1565,7 @@ rb_io_wait_readable(int f) ); } else { - io_wait_for_single_fd(f, RUBY_IO_READABLE, NULL); + io_wait_for_single_fd(f, RUBY_IO_READABLE, NULL, th, scheduler); } return TRUE; @@ -1549,7 +1579,8 @@ rb_io_wait_writable(int f) { io_fd_check_closed(f); - VALUE scheduler = rb_fiber_scheduler_current(); + rb_thread_t *th = GET_THREAD(); + VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th); switch (errno) { case EINTR: @@ -1578,7 +1609,7 @@ rb_io_wait_writable(int f) ); } else { - io_wait_for_single_fd(f, RUBY_IO_WRITABLE, NULL); + io_wait_for_single_fd(f, RUBY_IO_WRITABLE, NULL, th, scheduler); } return TRUE; @@ -1590,7 +1621,9 @@ rb_io_wait_writable(int f) int rb_wait_for_single_fd(int fd, int events, struct timeval *timeout) { - return io_wait_for_single_fd(fd, events, timeout); + rb_thread_t *th = GET_THREAD(); + VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th); + return io_wait_for_single_fd(fd, events, timeout, th, scheduler); } int @@ -2503,7 +2536,7 @@ interpret_seek_whence(VALUE vwhence) * f.tell # => 12 * f.close * - * - +:SET+ or <tt>IO:SEEK_SET</tt>: + * - +:SET+ or <tt>IO::SEEK_SET</tt>: * Repositions the stream to the given +offset+: * * f = File.open('t.txt') @@ -2627,9 +2660,6 @@ io_fillbuf(rb_io_t *fptr) fptr->rbuf.len = 0; fptr->rbuf.capa = IO_RBUF_CAPA_FOR(fptr); fptr->rbuf.ptr = ALLOC_N(char, fptr->rbuf.capa); -#ifdef _WIN32 - fptr->rbuf.capa--; -#endif } if (fptr->rbuf.len == 0) { retry: @@ -3155,8 +3185,6 @@ io_enc_str(VALUE str, rb_io_t *fptr) return str; } -static rb_encoding *io_read_encoding(rb_io_t *fptr); - static void make_readconv(rb_io_t *fptr, int size) { @@ -3299,10 +3327,6 @@ io_shift_cbuf(rb_io_t *fptr, int len, VALUE *strp) static int io_setstrbuf(VALUE *str, long len) { -#ifdef _WIN32 - if (len > 0) - len = (len + 1) & ~1L; /* round up for wide char */ -#endif if (NIL_P(*str)) { *str = rb_str_new(0, len); return TRUE; @@ -4306,11 +4330,17 @@ rb_io_gets(VALUE io) } VALUE -rb_io_gets_internal(VALUE io) +rb_io_gets_limit_internal(VALUE io, long limit) { rb_io_t *fptr; GetOpenFile(io, fptr); - return rb_io_getline_0(rb_default_rs, -1, FALSE, fptr); + return rb_io_getline_0(rb_default_rs, limit, FALSE, fptr); +} + +VALUE +rb_io_gets_internal(VALUE io) +{ + return rb_io_gets_limit_internal(io, -1); } /* @@ -4691,10 +4721,11 @@ rb_io_each_line(int argc, VALUE *argv, VALUE io) * Calls the given block with each byte (0..255) in the stream; returns +self+. * See {Byte IO}[rdoc-ref:IO@Byte+IO]. * - * f = File.new('t.rus') + * File.read('t.ja') # => "こんにちは" + * f = File.new('t.ja') * a = [] * f.each_byte {|b| a << b } - * a # => [209, 130, 208, 181, 209, 129, 209, 130] + * a # => [227, 129, 147, 227, 130, 147, 227, 129, 171, 227, 129, 161, 227, 129, 175] * f.close * * Returns an Enumerator if no block is given. @@ -4839,10 +4870,11 @@ io_getc(rb_io_t *fptr, rb_encoding *enc) * Calls the given block with each character in the stream; returns +self+. * See {Character IO}[rdoc-ref:IO@Character+IO]. * - * f = File.new('t.rus') + * File.read('t.ja') # => "こんにちは" + * f = File.new('t.ja') * a = [] * f.each_char {|c| a << c.ord } - * a # => [1090, 1077, 1089, 1090] + * a # => [12371, 12435, 12395, 12385, 12399] * f.close * * Returns an Enumerator if no block is given. @@ -4877,10 +4909,11 @@ rb_io_each_char(VALUE io) * * Calls the given block with each codepoint in the stream; returns +self+: * - * f = File.new('t.rus') + * File.read('t.ja') # => "こんにちは" + * f = File.new('t.ja') * a = [] * f.each_codepoint {|c| a << c } - * a # => [1090, 1077, 1089, 1090] + * a # => [12371, 12435, 12395, 12385, 12399] * f.close * * Returns an Enumerator if no block is given. @@ -4902,6 +4935,7 @@ rb_io_each_codepoint(VALUE io) rb_io_check_char_readable(fptr); READ_CHECK(fptr); + enc = io_read_encoding(fptr); if (NEED_READCONV(fptr)) { SET_BINARY_MODE(fptr); r = 1; /* no invalid char yet */ @@ -4909,12 +4943,9 @@ rb_io_each_codepoint(VALUE io) make_readconv(fptr, 0); for (;;) { if (fptr->cbuf.len) { - if (fptr->encs.enc) - r = rb_enc_precise_mbclen(fptr->cbuf.ptr+fptr->cbuf.off, - fptr->cbuf.ptr+fptr->cbuf.off+fptr->cbuf.len, - fptr->encs.enc); - else - r = ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(1); + r = rb_enc_precise_mbclen(fptr->cbuf.ptr+fptr->cbuf.off, + fptr->cbuf.ptr+fptr->cbuf.off+fptr->cbuf.len, + enc); if (!MBCLEN_NEEDMORE_P(r)) break; if (fptr->cbuf.len == fptr->cbuf.capa) { @@ -4924,33 +4955,25 @@ rb_io_each_codepoint(VALUE io) if (more_char(fptr) == MORE_CHAR_FINISHED) { clear_readconv(fptr); if (!MBCLEN_CHARFOUND_P(r)) { - enc = fptr->encs.enc; goto invalid; } return io; } } if (MBCLEN_INVALID_P(r)) { - enc = fptr->encs.enc; goto invalid; } n = MBCLEN_CHARFOUND_LEN(r); - if (fptr->encs.enc) { - c = rb_enc_codepoint(fptr->cbuf.ptr+fptr->cbuf.off, - fptr->cbuf.ptr+fptr->cbuf.off+fptr->cbuf.len, - fptr->encs.enc); - } - else { - c = (unsigned char)fptr->cbuf.ptr[fptr->cbuf.off]; - } + c = rb_enc_codepoint(fptr->cbuf.ptr+fptr->cbuf.off, + fptr->cbuf.ptr+fptr->cbuf.off+fptr->cbuf.len, + enc); fptr->cbuf.off += n; fptr->cbuf.len -= n; rb_yield(UINT2NUM(c)); - rb_io_check_byte_readable(fptr); + rb_io_check_char_readable(fptr); } } NEED_NEWLINE_DECORATOR_ON_READ_CHECK(fptr); - enc = io_input_encoding(fptr); while (io_fillbuf(fptr) >= 0) { r = rb_enc_precise_mbclen(fptr->rbuf.ptr+fptr->rbuf.off, fptr->rbuf.ptr+fptr->rbuf.off+fptr->rbuf.len, enc); @@ -5004,8 +5027,9 @@ rb_io_each_codepoint(VALUE io) * f = File.open('t.txt') * f.getc # => "F" * f.close - * f = File.open('t.rus') - * f.getc.ord # => 1090 + * File.read('t.ja') # => "こんにちは" + * f = File.open('t.ja') + * f.getc.ord # => 12371 * f.close * * Related: IO#readchar (may raise EOFError). @@ -5037,8 +5061,9 @@ rb_io_getc(VALUE io) * f = File.open('t.txt') * f.readchar # => "F" * f.close - * f = File.open('t.rus') - * f.readchar.ord # => 1090 + * File.read('t.ja') # => "こんにちは" + * f = File.open('t.ja') + * f.readchar.ord # => 12371 * f.close * * Related: IO#getc (will not raise EOFError). @@ -5067,8 +5092,9 @@ rb_io_readchar(VALUE io) * f = File.open('t.txt') * f.getbyte # => 70 * f.close - * f = File.open('t.rus') - * f.getbyte # => 209 + * File.read('t.ja') # => "こんにちは" + * f = File.open('t.ja') + * f.getbyte # => 227 * f.close * * Related: IO#readbyte (may raise EOFError). @@ -5111,8 +5137,9 @@ rb_io_getbyte(VALUE io) * f = File.open('t.txt') * f.readbyte # => 70 * f.close - * f = File.open('t.rus') - * f.readbyte # => 209 + * File.read('t.ja') # => "こんにちは" + * f = File.open('t.ja') + * f.readbyte # => 227 * f.close * * Related: IO#getbyte (will not raise EOFError). @@ -5516,8 +5543,7 @@ maygvl_fclose(FILE *file, int keepgvl) static void free_io_buffer(rb_io_buffer_t *buf); static void -fptr_finalize_flush(rb_io_t *fptr, int noraise, int keepgvl, - struct rb_io_close_wait_list *busy) +fptr_finalize_flush(rb_io_t *fptr, int noraise, int keepgvl) { VALUE error = Qnil; int fd = fptr->fd; @@ -5557,20 +5583,8 @@ fptr_finalize_flush(rb_io_t *fptr, int noraise, int keepgvl, fptr->stdio_file = 0; fptr->mode &= ~(FMODE_READABLE|FMODE_WRITABLE); - // Ensure waiting_fd users do not hit EBADF. - if (busy) { - // Wait for them to exit before we call close(). - rb_notify_fd_close_wait(busy); - } - - // Disable for now. - // if (!done && fd >= 0) { - // VALUE scheduler = rb_fiber_scheduler_current(); - // if (scheduler != Qnil) { - // VALUE result = rb_fiber_scheduler_io_close(scheduler, fptr->self); - // if (!UNDEF_P(result)) done = 1; - // } - // } + // Wait for blocking operations to ensure they do not hit EBADF: + rb_thread_io_close_wait(fptr); if (!done && stdio_file) { // stdio_file is deallocated anyway even if fclose failed. @@ -5583,6 +5597,15 @@ fptr_finalize_flush(rb_io_t *fptr, int noraise, int keepgvl, done = 1; } + VALUE scheduler = rb_fiber_scheduler_current(); + if (!done && fd >= 0 && scheduler != Qnil) { + VALUE result = rb_fiber_scheduler_io_close(scheduler, RB_INT2NUM(fd)); + + if (!UNDEF_P(result)) { + done = RTEST(result); + } + } + if (!done && fd >= 0) { // fptr->fd may be closed even if close fails. POSIX doesn't specify it. // We assumes it is closed. @@ -5609,7 +5632,7 @@ fptr_finalize_flush(rb_io_t *fptr, int noraise, int keepgvl, static void fptr_finalize(rb_io_t *fptr, int noraise) { - fptr_finalize_flush(fptr, noraise, FALSE, 0); + fptr_finalize_flush(fptr, noraise, FALSE); free_io_buffer(&fptr->rbuf); free_io_buffer(&fptr->wbuf); clear_codeconv(fptr); @@ -5630,7 +5653,7 @@ static void free_io_buffer(rb_io_buffer_t *buf) { if (buf->ptr) { - ruby_sized_xfree(buf->ptr, (size_t)buf->capa); + ruby_xfree_sized(buf->ptr, (size_t)buf->capa); buf->ptr = NULL; } } @@ -5674,37 +5697,36 @@ rb_io_fptr_cleanup_all(rb_io_t *fptr) clear_codeconv(fptr); } -void -rb_io_fptr_finalize_internal(void *ptr) -{ - if (!ptr) return; - rb_io_fptr_cleanup_all(ptr); - free(ptr); -} - -#undef rb_io_fptr_finalize int -rb_io_fptr_finalize(rb_io_t *fptr) +rb_io_fptr_finalize(struct rb_io *io) { - if (!fptr) { - return 0; - } - else { - rb_io_fptr_finalize_internal(fptr); - return 1; - } + if (!io) return 0; + rb_io_fptr_cleanup_all(io); + free(io); + + return 1; } -#define rb_io_fptr_finalize(fptr) rb_io_fptr_finalize_internal(fptr) size_t -rb_io_memsize(const rb_io_t *fptr) +rb_io_memsize(const rb_io_t *io) { size_t size = sizeof(rb_io_t); - size += fptr->rbuf.capa; - size += fptr->wbuf.capa; - size += fptr->cbuf.capa; - if (fptr->readconv) size += rb_econv_memsize(fptr->readconv); - if (fptr->writeconv) size += rb_econv_memsize(fptr->writeconv); + size += io->rbuf.capa; + size += io->wbuf.capa; + size += io->cbuf.capa; + if (io->readconv) size += rb_econv_memsize(io->readconv); + if (io->writeconv) size += rb_econv_memsize(io->writeconv); + + struct rb_io_blocking_operation *blocking_operation = 0; + + // Validate the fork generation of the IO object. If the IO object fork generation is different, the list of blocking operations is not valid memory. See `rb_io_blocking_operations` for the exact semantics. + rb_serial_t fork_generation = GET_VM()->fork_gen; + if (io->fork_generation == fork_generation) { + ccan_list_for_each(&io->blocking_operations, blocking_operation, list) { + size += sizeof(struct rb_io_blocking_operation); + } + } + return size; } @@ -5721,7 +5743,6 @@ io_close_fptr(VALUE io) rb_io_t *fptr; VALUE write_io; rb_io_t *write_fptr; - struct rb_io_close_wait_list busy; write_io = GetWriteIO(io); if (io != write_io) { @@ -5735,10 +5756,12 @@ io_close_fptr(VALUE io) if (!fptr) return 0; if (fptr->fd < 0) return 0; - if (rb_notify_fd_close(fptr->fd, &busy)) { + // This guards against multiple threads closing the same IO object: + if (rb_thread_io_close_interrupt(fptr)) { /* calls close(fptr->fd): */ - fptr_finalize_flush(fptr, FALSE, KEEPGVL, &busy); + fptr_finalize_flush(fptr, FALSE, KEEPGVL); } + rb_io_fptr_cleanup(fptr, FALSE); return fptr; } @@ -6265,6 +6288,14 @@ internal_pwrite_func(void *_arg) { struct prdwr_internal_arg *arg = _arg; + return (VALUE)pwrite(arg->fd, arg->buf, arg->count, arg->offset); +} + +static VALUE +pwrite_internal_call(VALUE _arg) +{ + struct prdwr_internal_arg *arg = (struct prdwr_internal_arg *)_arg; + VALUE scheduler = rb_fiber_scheduler_current(); if (scheduler != Qnil) { VALUE result = rb_fiber_scheduler_io_pwrite_memory(scheduler, arg->io->self, arg->offset, arg->buf, arg->count, 0); @@ -6274,8 +6305,7 @@ internal_pwrite_func(void *_arg) } } - - return (VALUE)pwrite(arg->fd, arg->buf, arg->count, arg->offset); + return rb_io_blocking_region_wait(arg->io, internal_pwrite_func, arg, RUBY_IO_WRITABLE); } /* @@ -6327,7 +6357,7 @@ rb_io_pwrite(VALUE io, VALUE str, VALUE offset) arg.buf = RSTRING_PTR(tmp); arg.count = (size_t)RSTRING_LEN(tmp); - n = (ssize_t)rb_io_blocking_region_wait(fptr, internal_pwrite_func, &arg, RUBY_IO_WRITABLE); + n = (ssize_t)pwrite_internal_call((VALUE)&arg); if (n < 0) rb_sys_fail_path(fptr->pathv); rb_str_tmp_frozen_release(str, tmp); @@ -6432,7 +6462,7 @@ rb_io_binmode_p(VALUE io) } static const char* -rb_io_fmode_modestr(int fmode) +rb_io_fmode_modestr(enum rb_io_mode fmode) { if (fmode & FMODE_APPEND) { if ((fmode & FMODE_READWRITE) == FMODE_READWRITE) { @@ -6466,10 +6496,10 @@ io_encname_bom_p(const char *name, long len) return len > bom_prefix_len && STRNCASECMP(name, bom_prefix, bom_prefix_len) == 0; } -int +enum rb_io_mode rb_io_modestr_fmode(const char *modestr) { - int fmode = 0; + enum rb_io_mode fmode = 0; const char *m = modestr, *p = NULL; switch (*m++) { @@ -6526,7 +6556,7 @@ rb_io_modestr_fmode(const char *modestr) int rb_io_oflags_fmode(int oflags) { - int fmode = 0; + enum rb_io_mode fmode = 0; switch (oflags & O_ACCMODE) { case O_RDONLY: @@ -6562,7 +6592,7 @@ rb_io_oflags_fmode(int oflags) } static int -rb_io_fmode_oflags(int fmode) +rb_io_fmode_oflags(enum rb_io_mode fmode) { int oflags = 0; @@ -6647,7 +6677,7 @@ rb_io_oflags_modestr(int oflags) * Qnil => no encoding specified (internal only) */ static void -rb_io_ext_int_to_encs(rb_encoding *ext, rb_encoding *intern, rb_encoding **enc, rb_encoding **enc2, int fmode) +rb_io_ext_int_to_encs(rb_encoding *ext, rb_encoding *intern, rb_encoding **enc, rb_encoding **enc2, enum rb_io_mode fmode) { int default_ext = 0; @@ -6682,12 +6712,12 @@ unsupported_encoding(const char *name, rb_encoding *enc) static void parse_mode_enc(const char *estr, rb_encoding *estr_enc, - rb_encoding **enc_p, rb_encoding **enc2_p, int *fmode_p) + rb_encoding **enc_p, rb_encoding **enc2_p, enum rb_io_mode *fmode_p) { const char *p; char encname[ENCODING_MAXNAMELEN+1]; int idx, idx2; - int fmode = fmode_p ? *fmode_p : 0; + enum rb_io_mode fmode = fmode_p ? *fmode_p : 0; rb_encoding *ext_enc, *int_enc; long len; @@ -6749,7 +6779,7 @@ parse_mode_enc(const char *estr, rb_encoding *estr_enc, } int -rb_io_extract_encoding_option(VALUE opt, rb_encoding **enc_p, rb_encoding **enc2_p, int *fmode_p) +rb_io_extract_encoding_option(VALUE opt, rb_encoding **enc_p, rb_encoding **enc2_p, enum rb_io_mode *fmode_p) { VALUE encoding=Qnil, extenc=Qundef, intenc=Qundef, tmp; int extracted = 0; @@ -6818,9 +6848,9 @@ rb_io_extract_encoding_option(VALUE opt, rb_encoding **enc_p, rb_encoding **enc2 } static void -validate_enc_binmode(int *fmode_p, int ecflags, rb_encoding *enc, rb_encoding *enc2) +validate_enc_binmode(enum rb_io_mode *fmode_p, int ecflags, rb_encoding *enc, rb_encoding *enc2) { - int fmode = *fmode_p; + enum rb_io_mode fmode = *fmode_p; if ((fmode & FMODE_READABLE) && !enc2 && @@ -6845,7 +6875,7 @@ validate_enc_binmode(int *fmode_p, int ecflags, rb_encoding *enc, rb_encoding *e } static void -extract_binmode(VALUE opthash, int *fmode) +extract_binmode(VALUE opthash, enum rb_io_mode *fmode) { if (!NIL_P(opthash)) { VALUE v; @@ -6875,10 +6905,11 @@ extract_binmode(VALUE opthash, int *fmode) void rb_io_extract_modeenc(VALUE *vmode_p, VALUE *vperm_p, VALUE opthash, - int *oflags_p, int *fmode_p, struct rb_io_encoding *convconfig_p) + int *oflags_p, enum rb_io_mode *fmode_p, struct rb_io_encoding *convconfig_p) { VALUE vmode; - int oflags, fmode; + int oflags; + enum rb_io_mode fmode; rb_encoding *enc, *enc2; int ecflags; VALUE ecopts; @@ -7193,7 +7224,7 @@ io_set_encoding_by_bom(VALUE io) } static VALUE -rb_file_open_generic(VALUE io, VALUE filename, int oflags, int fmode, +rb_file_open_generic(VALUE io, VALUE filename, int oflags, enum rb_io_mode fmode, const struct rb_io_encoding *convconfig, mode_t perm) { VALUE pathv; @@ -7230,7 +7261,7 @@ rb_file_open_generic(VALUE io, VALUE filename, int oflags, int fmode, static VALUE rb_file_open_internal(VALUE io, VALUE filename, const char *modestr) { - int fmode = rb_io_modestr_fmode(modestr); + enum rb_io_mode fmode = rb_io_modestr_fmode(modestr); const char *p = strchr(modestr, ':'); struct rb_io_encoding convconfig; @@ -7546,7 +7577,7 @@ char *rb_execarg_commandline(const struct rb_execarg *eargp, VALUE *prog); #ifndef __EMSCRIPTEN__ static VALUE -pipe_open(VALUE execarg_obj, const char *modestr, int fmode, +pipe_open(VALUE execarg_obj, const char *modestr, enum rb_io_mode fmode, const struct rb_io_encoding *convconfig) { struct rb_execarg *eargp = NIL_P(execarg_obj) ? NULL : rb_execarg_get(execarg_obj); @@ -7775,7 +7806,7 @@ pipe_open(VALUE execarg_obj, const char *modestr, int fmode, } #else static VALUE -pipe_open(VALUE execarg_obj, const char *modestr, int fmode, +pipe_open(VALUE execarg_obj, const char *modestr, enum rb_io_mode fmode, const struct rb_io_encoding *convconfig) { rb_raise(rb_eNotImpError, "popen() is not available"); @@ -7797,7 +7828,7 @@ is_popen_fork(VALUE prog) } static VALUE -pipe_open_s(VALUE prog, const char *modestr, int fmode, +pipe_open_s(VALUE prog, const char *modestr, enum rb_io_mode fmode, const struct rb_io_encoding *convconfig) { int argc = 1; @@ -7830,7 +7861,7 @@ static VALUE popen_finish(VALUE port, VALUE klass); * whose $stdin and $stdout are connected to a new stream +io+. * * This method has potential security vulnerabilities if called with untrusted input; - * see {Command Injection}[rdoc-ref:command_injection.rdoc]. + * see {Command Injection}[rdoc-ref:security/command_injection.rdoc]. * * If no block is given, returns the new stream, * which depending on given +mode+ may be open for reading, writing, or both. @@ -7839,7 +7870,8 @@ static VALUE popen_finish(VALUE port, VALUE klass); * If a block is given, the stream is passed to the block * (again, open for reading, writing, or both); * when the block exits, the stream is closed, - * and the block's value is assigned to global variable <tt>$?</tt> and returned. + * the block's value is returned, + * and the global variable <tt>$?</tt> is set to the child's exit status. * * Optional argument +mode+ may be any valid \IO mode. * See {Access Modes}[rdoc-ref:File@Access+Modes]. @@ -8006,7 +8038,8 @@ rb_io_popen(VALUE pname, VALUE pmode, VALUE env, VALUE opt) { const char *modestr; VALUE tmp, execarg_obj = Qnil; - int oflags, fmode; + int oflags; + enum rb_io_mode fmode; struct rb_io_encoding convconfig; tmp = rb_check_array_type(pname); @@ -8047,7 +8080,7 @@ popen_finish(VALUE port, VALUE klass) rb_protect(rb_yield, Qnil, NULL); rb_io_flush(rb_ractor_stdout()); rb_io_flush(rb_ractor_stderr()); - _exit(0); + _exit(EXIT_SUCCESS); } return Qnil; } @@ -8087,7 +8120,12 @@ ruby_popen_writer(char *const *argv, rb_pid_t *pid) int write_pair[2]; # endif - int result = rb_cloexec_pipe(write_pair); +#ifdef HAVE_PIPE2 + int result = pipe2(write_pair, O_CLOEXEC); +#else + int result = pipe(write_pair); +#endif + *pid = -1; if (result == 0) { # ifdef HAVE_WORKING_FORK @@ -8115,8 +8153,9 @@ ruby_popen_writer(char *const *argv, rb_pid_t *pid) static VALUE rb_open_file(VALUE io, VALUE fname, VALUE vmode, VALUE vperm, VALUE opt) { + int oflags; + enum rb_io_mode fmode; struct rb_io_encoding convconfig; - int oflags, fmode; mode_t perm; FilePathValue(fname); @@ -8218,21 +8257,6 @@ rb_io_s_sysopen(int argc, VALUE *argv, VALUE _) return INT2NUM(fd); } -static VALUE -check_pipe_command(VALUE filename_or_command) -{ - char *s = RSTRING_PTR(filename_or_command); - long l = RSTRING_LEN(filename_or_command); - char *e = s + l; - int chlen; - - if (rb_enc_ascget(s, e, &chlen, rb_enc_get(filename_or_command)) == '|') { - VALUE cmd = rb_str_new(s+chlen, l-chlen); - return cmd; - } - return Qnil; -} - /* * call-seq: * open(path, mode = 'r', perm = 0666, **opts) -> io or nil @@ -8240,9 +8264,6 @@ check_pipe_command(VALUE filename_or_command) * * Creates an IO object connected to the given file. * - * This method has potential security vulnerabilities if called with untrusted input; - * see {Command Injection}[rdoc-ref:command_injection.rdoc]. - * * With no block given, file stream is returned: * * open('t.txt') # => #<File:t.txt> @@ -8278,13 +8299,7 @@ rb_f_open(int argc, VALUE *argv, VALUE _) redirect = TRUE; } else { - VALUE cmd = check_pipe_command(tmp); - if (!NIL_P(cmd)) { - // TODO: when removed in 4.0, update command_injection.rdoc - rb_warn_deprecated_to_remove_at(4.0, "Calling Kernel#open with a leading '|'", "IO.popen"); - argv[0] = cmd; - return rb_io_s_popen(argc, argv, rb_cIO); - } + argv[0] = tmp; } } } @@ -8299,12 +8314,19 @@ rb_f_open(int argc, VALUE *argv, VALUE _) return rb_io_s_open(argc, argv, rb_cFile); } -static VALUE rb_io_open_generic(VALUE, VALUE, int, int, const struct rb_io_encoding *, mode_t); +static VALUE +rb_io_open_generic(VALUE klass, VALUE filename, int oflags, enum rb_io_mode fmode, + const struct rb_io_encoding *convconfig, mode_t perm) +{ + return rb_file_open_generic(io_alloc(klass), filename, + oflags, fmode, convconfig, perm); +} static VALUE rb_io_open(VALUE io, VALUE filename, VALUE vmode, VALUE vperm, VALUE opt) { - int oflags, fmode; + int oflags; + enum rb_io_mode fmode; struct rb_io_encoding convconfig; mode_t perm; @@ -8314,22 +8336,6 @@ rb_io_open(VALUE io, VALUE filename, VALUE vmode, VALUE vperm, VALUE opt) } static VALUE -rb_io_open_generic(VALUE klass, VALUE filename, int oflags, int fmode, - const struct rb_io_encoding *convconfig, mode_t perm) -{ - VALUE cmd; - if (klass == rb_cIO && !NIL_P(cmd = check_pipe_command(filename))) { - // TODO: when removed in 4.0, update command_injection.rdoc - rb_warn_deprecated_to_remove_at(4.0, "IO process creation with a leading '|'", "IO.popen"); - return pipe_open_s(cmd, rb_io_oflags_modestr(oflags), fmode, convconfig); - } - else { - return rb_file_open_generic(io_alloc(klass), filename, - oflags, fmode, convconfig, perm); - } -} - -static VALUE io_reopen(VALUE io, VALUE nfile) { rb_io_t *fptr, *orig; @@ -8378,6 +8384,10 @@ io_reopen(VALUE io, VALUE nfile) fd = fptr->fd; fd2 = orig->fd; if (fd != fd2) { + // Interrupt all usage of the old file descriptor: + rb_thread_io_close_interrupt(fptr); + rb_thread_io_close_wait(fptr); + if (RUBY_IO_EXTERNAL_P(fptr) || fd <= 2 || !fptr->stdio_file) { /* need to keep FILE objects of stdin, stdout and stderr */ if (rb_cloexec_dup2(fd2, fd) < 0) @@ -8393,7 +8403,7 @@ io_reopen(VALUE io, VALUE nfile) rb_update_max_fd(fd); fptr->fd = fd; } - rb_thread_fd_close(fd); + if ((orig->mode & FMODE_READABLE) && pos >= 0) { if (io_seek(fptr, pos, SEEK_SET) < 0 && errno) { rb_sys_fail_path(fptr->pathv); @@ -8482,7 +8492,7 @@ rb_io_reopen(int argc, VALUE *argv, VALUE file) } if (!NIL_P(nmode) || !NIL_P(opt)) { - int fmode; + enum rb_io_mode fmode; struct rb_io_encoding convconfig; rb_io_extract_modeenc(&nmode, 0, opt, &oflags, &fmode, &convconfig); @@ -8570,6 +8580,12 @@ rb_io_init_copy(VALUE dest, VALUE io) fptr->pid = orig->pid; fptr->lineno = orig->lineno; fptr->timeout = orig->timeout; + + ccan_list_head_init(&fptr->blocking_operations); + fptr->closing_ec = NULL; + fptr->wakeup_mutex = Qnil; + fptr->fork_generation = GET_VM()->fork_gen; + if (!NIL_P(orig->pathv)) fptr->pathv = orig->pathv; fptr_copy_finalizer(fptr, orig); @@ -8599,7 +8615,7 @@ rb_io_init_copy(VALUE dest, VALUE io) * Formats and writes +objects+ to the stream. * * For details on +format_string+, see - * {Format Specifications}[rdoc-ref:format_specifications.rdoc]. + * {Format Specifications}[rdoc-ref:language/format_specifications.rdoc]. * */ @@ -8620,7 +8636,7 @@ rb_io_printf(int argc, const VALUE *argv, VALUE out) * io.write(sprintf(format_string, *objects)) * * For details on +format_string+, see - * {Format Specifications}[rdoc-ref:format_specifications.rdoc]. + * {Format Specifications}[rdoc-ref:language/format_specifications.rdoc]. * * With the single argument +format_string+, formats +objects+ into the string, * then writes the formatted string to $stdout: @@ -8663,31 +8679,19 @@ rb_f_printf(int argc, VALUE *argv, VALUE _) return Qnil; } -static void -deprecated_str_setter(VALUE val, ID id, VALUE *var) -{ - rb_str_setter(val, id, &val); - if (!NIL_P(val)) { - rb_warn_deprecated("'%s'", NULL, rb_id2name(id)); - } - *var = val; -} +extern void rb_deprecated_str_setter(VALUE val, ID id, VALUE *var); static void deprecated_rs_setter(VALUE val, ID id, VALUE *var) { + rb_deprecated_str_setter(val, id, &val); if (!NIL_P(val)) { - if (!RB_TYPE_P(val, T_STRING)) { - rb_raise(rb_eTypeError, "value of %"PRIsVALUE" must be String", rb_id2str(id)); - } if (rb_str_equal(val, rb_default_rs)) { val = rb_default_rs; } else { val = rb_str_frozen_bare_string(val); } - rb_enc_str_coderange(val); - rb_warn_deprecated("'%s'", NULL, rb_id2name(id)); } *var = val; } @@ -9307,6 +9311,11 @@ rb_io_open_descriptor(VALUE klass, int descriptor, int mode, VALUE path, VALUE t io->timeout = timeout; + ccan_list_head_init(&io->blocking_operations); + io->closing_ec = NULL; + io->wakeup_mutex = Qnil; + io->fork_generation = GET_VM()->fork_gen; + if (encoding) { io->encs = *encoding; } @@ -9317,7 +9326,7 @@ rb_io_open_descriptor(VALUE klass, int descriptor, int mode, VALUE path, VALUE t } static VALUE -prep_io(int fd, int fmode, VALUE klass, const char *path) +prep_io(int fd, enum rb_io_mode fmode, VALUE klass, const char *path) { VALUE path_value = Qnil; rb_encoding *e; @@ -9363,7 +9372,7 @@ rb_io_fdopen(int fd, int oflags, const char *path) } static VALUE -prep_stdio(FILE *f, int fmode, VALUE klass, const char *path) +prep_stdio(FILE *f, enum rb_io_mode fmode, VALUE klass, const char *path) { rb_io_t *fptr; VALUE io = prep_io(fileno(f), fmode|FMODE_EXTERNAL|DEFAULT_TEXTMODE, klass, path); @@ -9446,6 +9455,10 @@ rb_io_fptr_new(void) fp->encs.ecopts = Qnil; fp->write_lock = Qnil; fp->timeout = Qnil; + ccan_list_head_init(&fp->blocking_operations); + fp->closing_ec = NULL; + fp->wakeup_mutex = Qnil; + fp->fork_generation = GET_VM()->fork_gen; return fp; } @@ -9487,7 +9500,8 @@ static VALUE io_initialize(VALUE io, VALUE fnum, VALUE vmode, VALUE opt); * The new \IO object does not inherit encoding * (because the integer file descriptor does not have an encoding): * - * fd = IO.sysopen('t.rus', 'rb') + * File.read('t.ja') # => "こんにちは" + * fd = IO.sysopen('t.ja', 'rb') * io = IO.new(fd) * io.external_encoding # => #<Encoding:UTF-8> # Not ASCII-8BIT. * @@ -9523,7 +9537,8 @@ static VALUE io_initialize(VALUE io, VALUE fnum, VALUE vmode, VALUE opt) { rb_io_t *fp; - int fd, fmode, oflags = O_RDONLY; + int fd, oflags = O_RDONLY; + enum rb_io_mode fmode; struct rb_io_encoding convconfig; #if defined(HAVE_FCNTL) && defined(F_GETFL) int ofmode; @@ -9575,6 +9590,10 @@ io_initialize(VALUE io, VALUE fnum, VALUE vmode, VALUE opt) fp->encs = convconfig; fp->pathv = path; fp->timeout = Qnil; + ccan_list_head_init(&fp->blocking_operations); + fp->closing_ec = NULL; + fp->wakeup_mutex = Qnil; + fp->fork_generation = GET_VM()->fork_gen; clear_codeconv(fp); io_check_tty(fp); if (fileno(stdin) == fd) @@ -9804,7 +9823,7 @@ io_wait_readable(int argc, VALUE *argv, VALUE io) rb_io_t *fptr; RB_IO_POINTER(io, fptr); - rb_io_check_readable(fptr); + rb_io_check_char_readable(fptr); if (rb_io_read_pending(fptr)) return Qtrue; @@ -9851,7 +9870,7 @@ io_wait_priority(int argc, VALUE *argv, VALUE io) rb_io_t *fptr = NULL; RB_IO_POINTER(io, fptr); - rb_io_check_readable(fptr); + rb_io_check_char_readable(fptr); if (rb_io_read_pending(fptr)) return Qtrue; @@ -9908,7 +9927,7 @@ io_event_from_value(VALUE value) /* * call-seq: * io.wait(events, timeout) -> event mask, false or nil - * io.wait(timeout = nil, mode = :read) -> self, true, or false + * io.wait(*event_symbols[, timeout]) -> self, true, or false * * Waits until the IO becomes ready for the specified events and returns the * subset of events that become ready, or a falsy value when times out. @@ -9916,10 +9935,14 @@ io_event_from_value(VALUE value) * The events can be a bit mask of +IO::READABLE+, +IO::WRITABLE+ or * +IO::PRIORITY+. * - * Returns an event mask (truthy value) immediately when buffered data is available. + * Returns an event mask (truthy value) immediately when buffered data is + * available. * - * Optional parameter +mode+ is one of +:read+, +:write+, or - * +:read_write+. + * The second form: if one or more event symbols (+:read+, +:write+, or + * +:read_write+) are passed, the event mask is the bit OR of the bitmask + * corresponding to those symbols. In this form, +timeout+ is optional, the + * order of the arguments is arbitrary, and returns +io+ if any of the + * events is ready. */ static VALUE @@ -9929,10 +9952,6 @@ io_wait(int argc, VALUE *argv, VALUE io) enum rb_io_event events = 0; int return_io = 0; - // The documented signature for this method is actually incorrect. - // A single timeout is allowed in any position, and multiple symbols can be given. - // Whether this is intentional or not, I don't know, and as such I consider this to - // be a legacy/slow path. if (argc != 2 || (RB_SYMBOL_P(argv[0]) || RB_SYMBOL_P(argv[1]))) { // We'd prefer to return the actual mask, but this form would return the io itself: return_io = 1; @@ -9978,14 +9997,14 @@ io_wait(int argc, VALUE *argv, VALUE io) } static void -argf_mark(void *ptr) +argf_mark_and_move(void *ptr) { struct argf *p = ptr; - rb_gc_mark(p->filename); - rb_gc_mark(p->current_file); - rb_gc_mark(p->argv); - rb_gc_mark(p->inplace); - rb_gc_mark(p->encs.ecopts); + rb_gc_mark_and_move(&p->filename); + rb_gc_mark_and_move(&p->current_file); + rb_gc_mark_and_move(&p->argv); + rb_gc_mark_and_move(&p->inplace); + rb_gc_mark_and_move(&p->encs.ecopts); } static size_t @@ -9996,30 +10015,19 @@ argf_memsize(const void *ptr) return size; } -static void -argf_compact(void *ptr) -{ - struct argf *p = ptr; - p->filename = rb_gc_location(p->filename); - p->current_file = rb_gc_location(p->current_file); - p->argv = rb_gc_location(p->argv); - p->inplace = rb_gc_location(p->inplace); - p->encs.ecopts = rb_gc_location(p->encs.ecopts); -} - static const rb_data_type_t argf_type = { "ARGF", - {argf_mark, RUBY_TYPED_DEFAULT_FREE, argf_memsize, argf_compact}, - 0, 0, RUBY_TYPED_FREE_IMMEDIATELY + {argf_mark_and_move, RUBY_TYPED_DEFAULT_FREE, argf_memsize, argf_mark_and_move}, + 0, 0, RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED }; static inline void -argf_init(struct argf *p, VALUE v) +argf_init(VALUE argf, struct argf *p, VALUE v) { p->filename = Qnil; p->current_file = Qnil; p->lineno = 0; - p->argv = v; + RB_OBJ_WRITE(argf, &p->argv, v); } static VALUE @@ -10028,7 +10036,7 @@ argf_alloc(VALUE klass) struct argf *p; VALUE argf = TypedData_Make_Struct(klass, struct argf, &argf_type, p); - argf_init(p, Qnil); + argf_init(argf, p, Qnil); return argf; } @@ -10039,7 +10047,7 @@ static VALUE argf_initialize(VALUE argf, VALUE argv) { memset(&ARGF, 0, sizeof(ARGF)); - argf_init(&ARGF, argv); + argf_init(argf, &ARGF, argv); return argf; } @@ -10050,7 +10058,8 @@ argf_initialize_copy(VALUE argf, VALUE orig) { if (!OBJ_INIT_COPY(argf, orig)) return argf; ARGF = argf_of(orig); - ARGF.argv = rb_obj_dup(ARGF.argv); + rb_gc_writebarrier_remember(argf); + ARGF_SET(argv, rb_obj_dup(ARGF.argv)); return argf; } @@ -10135,7 +10144,7 @@ argf_next_argv(VALUE argf) char *fn; rb_io_t *fptr; int stdout_binmode = 0; - int fmode; + enum rb_io_mode fmode; VALUE r_stdout = rb_ractor_stdout(); @@ -10169,11 +10178,11 @@ argf_next_argv(VALUE argf) if (RARRAY_LEN(ARGF.argv) > 0) { VALUE filename = rb_ary_shift(ARGF.argv); FilePathValue(filename); - ARGF.filename = filename; + ARGF_SET(filename, filename); filename = rb_str_encode_ospath(filename); fn = StringValueCStr(filename); if (RSTRING_LEN(filename) == 1 && fn[0] == '-') { - ARGF.current_file = rb_stdin; + ARGF_SET(current_file, rb_stdin); if (ARGF.inplace) { rb_warn("Can't do inplace edit for stdio; skipping"); goto retry; @@ -10268,7 +10277,7 @@ argf_next_argv(VALUE argf) if (!ARGF.binmode) { fmode |= DEFAULT_TEXTMODE; } - ARGF.current_file = prep_io(fr, fmode, rb_cFile, fn); + ARGF_SET(current_file, prep_io(fr, fmode, rb_cFile, fn)); if (!NIL_P(write_io)) { rb_io_set_write_io(ARGF.current_file, write_io); } @@ -10297,8 +10306,8 @@ argf_next_argv(VALUE argf) } } else if (ARGF.next_p == -1) { - ARGF.current_file = rb_stdin; - ARGF.filename = rb_str_new2("-"); + ARGF_SET(current_file, rb_stdin); + ARGF_SET(filename, rb_str_new2("-")); if (ARGF.inplace) { rb_warn("Can't do inplace edit for stdio"); rb_ractor_stdout_set(orig_stdout); @@ -10640,14 +10649,14 @@ argf_readlines(int argc, VALUE *argv, VALUE argf) * sets global variable <tt>$?</tt> to the process status. * * This method has potential security vulnerabilities if called with untrusted input; - * see {Command Injection}[rdoc-ref:command_injection.rdoc]. + * see {Command Injection}[rdoc-ref:security/command_injection.rdoc]. * * Examples: * * $ `date` # => "Wed Apr 9 08:56:30 CDT 2003\n" * $ `echo oops && exit 99` # => "oops\n" * $ $? # => #<Process::Status: pid 17088 exit 99> - * $ $?.status # => 99> + * $ $?.exitstatus # => 99 * * The built-in syntax <tt>%x{...}</tt> uses this method. * @@ -10751,9 +10760,9 @@ select_internal(VALUE read, VALUE write, VALUE except, struct timeval *tp, rb_fd if (!pending && n == 0) return Qnil; /* returns nil on timeout */ res = rb_ary_new2(3); - rb_ary_push(res, rp?rb_ary_new():rb_ary_new2(0)); - rb_ary_push(res, wp?rb_ary_new():rb_ary_new2(0)); - rb_ary_push(res, ep?rb_ary_new():rb_ary_new2(0)); + rb_ary_push(res, rp ? rb_ary_new_capa(RARRAY_LEN(read)) : rb_ary_new()); + rb_ary_push(res, wp ? rb_ary_new_capa(RARRAY_LEN(write)) : rb_ary_new()); + rb_ary_push(res, ep ? rb_ary_new_capa(RARRAY_LEN(except)) : rb_ary_new()); if (rp) { list = RARRAY_AREF(res, 0); @@ -10941,7 +10950,7 @@ advice_arg_check(VALUE advice) * advise(advice, offset = 0, len = 0) -> nil * * Invokes Posix system call - * {posix_fadvise(2)}[https://linux.die.net/man/2/posix_fadvise], + * {posix_fadvise(2)}[https://man7.org/linux/man-pages/man2/posix_fadvise.2.html], * which announces an intention to access data from the current file * in a particular manner. * @@ -10993,11 +11002,21 @@ rb_io_advise(int argc, VALUE *argv, VALUE io) #endif } +static int +is_pos_inf(VALUE x) +{ + double f; + if (!RB_FLOAT_TYPE_P(x)) + return 0; + f = RFLOAT_VALUE(x); + return isinf(f) && 0 < f; +} + /* * call-seq: * IO.select(read_ios, write_ios = [], error_ios = [], timeout = nil) -> array or nil * - * Invokes system call {select(2)}[https://linux.die.net/man/2/select], + * Invokes system call {select(2)}[https://man7.org/linux/man-pages/man2/select.2.html], * which monitors multiple file descriptors, * waiting until one or more of the file descriptors * becomes ready for some class of I/O operation. @@ -11009,6 +11028,8 @@ rb_io_advise(int argc, VALUE *argv, VALUE io) * * Argument +timeout+ is a numeric value (such as integer or float) timeout * interval in seconds. + * +timeout+ can also be +nil+ or +Float::INFINITY+. + * +nil+ and +Float::INFINITY+ means no timeout. * * The method monitors the \IO objects given in all three arrays, * waiting for some to be ready; @@ -11082,7 +11103,7 @@ rb_io_advise(int argc, VALUE *argv, VALUE io) * Finally, Linux kernel developers don't guarantee that * readability of select(2) means readability of following read(2) even * for a single process; - * see {select(2)}[https://linux.die.net/man/2/select] + * see {select(2)}[https://man7.org/linux/man-pages/man2/select.2.html] * * Invoking \IO.select before IO#readpartial works well as usual. * However it is not the best way to use \IO.select. @@ -11159,7 +11180,7 @@ rb_f_select(int argc, VALUE *argv, VALUE obj) int i; rb_scan_args(argc, argv, "13", &args.read, &args.write, &args.except, &timeout); - if (NIL_P(timeout)) { + if (NIL_P(timeout) || is_pos_inf(timeout)) { args.timeout = 0; } else { @@ -11476,7 +11497,7 @@ rb_ioctl(VALUE io, VALUE req, VALUE arg) * call-seq: * ioctl(integer_cmd, argument) -> integer * - * Invokes Posix system call {ioctl(2)}[https://linux.die.net/man/2/ioctl], + * Invokes Posix system call {ioctl(2)}[https://man7.org/linux/man-pages/man2/ioctl.2.html], * which issues a low-level command to an I/O device. * * Issues a low-level command to an I/O device. @@ -11565,7 +11586,7 @@ rb_fcntl(VALUE io, VALUE req, VALUE arg) * call-seq: * fcntl(integer_cmd, argument) -> integer * - * Invokes Posix system call {fcntl(2)}[https://linux.die.net/man/2/fcntl], + * Invokes Posix system call {fcntl(2)}[https://man7.org/linux/man-pages/man2/fcntl.2.html], * which provides a mechanism for issuing low-level commands to control or query * a file-oriented I/O stream. Arguments and results are platform * dependent. @@ -11595,7 +11616,7 @@ rb_io_fcntl(int argc, VALUE *argv, VALUE io) * call-seq: * syscall(integer_callno, *arguments) -> integer * - * Invokes Posix system call {syscall(2)}[https://linux.die.net/man/2/syscall], + * Invokes Posix system call {syscall(2)}[https://man7.org/linux/man-pages/man2/syscall.2.html], * which calls a specified function. * * Calls the operating system function identified by +integer_callno+; @@ -11905,7 +11926,7 @@ rb_io_s_pipe(int argc, VALUE *argv, VALUE klass) VALUE opt; rb_io_t *fptr, *fptr2; struct io_encoding_set_args ies_args; - int fmode = 0; + enum rb_io_mode fmode = 0; VALUE ret; argc = rb_scan_args(argc, argv, "02:", &v1, &v2, &opt); @@ -12040,10 +12061,6 @@ io_s_foreach(VALUE v) * * Calls the block with each successive line read from the stream. * - * When called from class \IO (but not subclasses of \IO), - * this method has potential security vulnerabilities if called with untrusted input; - * see {Command Injection}[rdoc-ref:command_injection.rdoc]. - * * The first argument must be a string that is the path to a file. * * With only argument +path+ given, parses lines from the file at the given +path+, @@ -12143,10 +12160,6 @@ io_s_readlines(VALUE v) * * Returns an array of all lines read from the stream. * - * When called from class \IO (but not subclasses of \IO), - * this method has potential security vulnerabilities if called with untrusted input; - * see {Command Injection}[rdoc-ref:command_injection.rdoc]. - * * The first argument must be a string that is the path to a file. * * With only argument +path+ given, parses lines from the file at the given +path+, @@ -12232,17 +12245,17 @@ seek_before_access(VALUE argp) * Opens the stream, reads and returns some or all of its content, * and closes the stream; returns +nil+ if no bytes were read. * - * When called from class \IO (but not subclasses of \IO), - * this method has potential security vulnerabilities if called with untrusted input; - * see {Command Injection}[rdoc-ref:command_injection.rdoc]. - * * The first argument must be a string that is the path to a file. * * With only argument +path+ given, reads in text mode and returns the entire content * of the file at the given path: * - * IO.read('t.txt') - * # => "First line\nSecond line\n\nThird line\nFourth line\n" + * File.read('t.txt') + * # => "First line\nSecond line\n\nFourth line\nFifth line\n" + * File.read('t.ja') + * # => "こんにちは" + * File.read('t.dat') + * # => "\xFE\xFF\x99\x90\x99\x91\x99\x92\x99\x93\x99\x94" * * On Windows, text mode can terminate reading and leave bytes in the file * unread when encountering certain special bytes. Consider using @@ -12250,15 +12263,36 @@ seek_before_access(VALUE argp) * * With argument +length+, returns +length+ bytes if available: * - * IO.read('t.txt', 7) # => "First l" - * IO.read('t.txt', 700) + * File.read('t.txt', 7) + * # => "First l" + * File.read('t.ja', 7) + * # => "\xE3\x81\x93\xE3\x82\x93\xE3" + * File.read('t.dat', 7) + * # => "\xFE\xFF\x99\x90\x99\x91\x99" + * + * Returns all bytes if +length+ is larger than the files size: + * + * File.read('t.txt', 700) * # => "First line\r\nSecond line\r\n\r\nFourth line\r\nFifth line\r\n" + * File.read('t.ja', 700) + * # => "\xE3\x81\x93\xE3\x82\x93\xE3\x81\xAB\xE3\x81\xA1\xE3\x81\xAF" + * File.read('t.dat', 700) + * # => "\xFE\xFF\x99\x90\x99\x91\x99\x92\x99\x93\x99\x94" * * With arguments +length+ and +offset+, returns +length+ bytes * if available, beginning at the given +offset+: * - * IO.read('t.txt', 10, 2) # => "rst line\nS" - * IO.read('t.txt', 10, 200) # => nil + * File.read('t.txt', 10, 2) + * # => "rst line\r\n" + * File.read('t.ja', 10, 2) + * # => "\x93\xE3\x82\x93\xE3\x81\xAB\xE3\x81\xA1" + * File.read('t.dat', 10, 2) + * # => "\x99\x90\x99\x91\x99\x92\x99\x93\x99\x94" + * + * Returns +nil+ if +offset+ is past the end of the stream: + * + * File.read('t.txt', 10, 200) + * # => nil * * Optional keyword arguments +opts+ specify: * @@ -12303,10 +12337,6 @@ rb_io_s_read(int argc, VALUE *argv, VALUE io) * Behaves like IO.read, except that the stream is opened in binary mode * with ASCII-8BIT encoding. * - * When called from class \IO (but not subclasses of \IO), - * this method has potential security vulnerabilities if called with untrusted input; - * see {Command Injection}[rdoc-ref:command_injection.rdoc]. - * */ static VALUE @@ -12314,8 +12344,8 @@ rb_io_s_binread(int argc, VALUE *argv, VALUE io) { VALUE offset; struct foreach_arg arg; + enum rb_io_mode fmode = FMODE_READABLE|FMODE_BINMODE; enum { - fmode = FMODE_READABLE|FMODE_BINMODE, oflags = O_RDONLY #ifdef O_BINARY |O_BINARY @@ -12402,40 +12432,50 @@ io_s_write(int argc, VALUE *argv, VALUE klass, int binary) /* * call-seq: - * IO.write(path, data, offset = 0, **opts) -> integer + * IO.write(path, data, offset = 0, **opts) -> nonnegative_integer * * Opens the stream, writes the given +data+ to it, * and closes the stream; returns the number of bytes written. * - * When called from class \IO (but not subclasses of \IO), - * this method has potential security vulnerabilities if called with untrusted input; - * see {Command Injection}[rdoc-ref:command_injection.rdoc]. - * * The first argument must be a string that is the path to a file. * - * With only argument +path+ given, writes the given +data+ to the file at that path: + * With only arguments +path+ and +data+ given, + * writes the given data to the file at that path: * - * IO.write('t.tmp', 'abc') # => 3 - * File.read('t.tmp') # => "abc" + * path = 't.tmp' + * File.write(path, "First line\nSecond line\n\nFourth line\nFifth line\n") # => 47 + * File.write(path, 'こんにちは') # => 15 + * File.write(path, "\xFE\xFF\x99\x90\x99\x91\x99\x92\x99\x93\x99\x94") # => 12 + * + * When +offset+ is zero (the default), the entire file content is overwritten: * - * If +offset+ is zero (the default), the file is overwritten: + * File.read(path) # => "\xFE\xFF\x99\x90\x99\x91\x99\x92\x99\x93\x99\x94" + * File.write(path, 'foo') + * File.read(path) # => "foo" * - * IO.write('t.tmp', 'A') # => 1 - * File.read('t.tmp') # => "A" + * When +offset+ in within the file content, the file content is partly overwritten, + * beginning at byte +offset+: * - * If +offset+ in within the file content, the file is partly overwritten: + * File.write(path, "First line\nSecond line\n\nFourth line\nFifth line\n") + * File.write(path, 'LINE', 6) + * File.read(path) # => "First LINE\nSecond line\n\nFourth line\nFifth line\n" * - * IO.write('t.tmp', 'abcdef') # => 3 - * File.read('t.tmp') # => "abcdef" - * # Offset within content. - * IO.write('t.tmp', '012', 2) # => 3 - * File.read('t.tmp') # => "ab012f" + * When the file contains multi-byte characters, + * the effect of writing may disturb some characters: + * + * File.write(path, "こんにちは") + * File.write(path, 'FOO', 3) # Replace one 3-byte character. + * File.read(path) # => "こFOOにちは" + * File.write(path, 'BAR', 7) # Replace bytes in two different 3-byte characters. + * File.read(path) # => "こFOO\xE3BAR\x81\xA1は" * * If +offset+ is outside the file content, * the file is padded with null characters <tt>"\u0000"</tt>: * - * IO.write('t.tmp', 'xyz', 10) # => 3 - * File.read('t.tmp') # => "ab012f\u0000\u0000\u0000\u0000xyz" + * File.write(path, "First line\nSecond line\n\nFourth line\nFifth line\n") + * File.write(path, 'FOO', 55) + * File.read(path) + * # => "First line\nSecond line\n\nFourth line\nFifth line\n\u0000\u0000\u0000FOO" * * Optional keyword arguments +opts+ specify: * @@ -12452,15 +12492,11 @@ rb_io_s_write(int argc, VALUE *argv, VALUE io) /* * call-seq: - * IO.binwrite(path, string, offset = 0) -> integer + * IO.binwrite(path, string, offset = 0, **opts) -> integer * * Behaves like IO.write, except that the stream is opened in binary mode * with ASCII-8BIT encoding. * - * When called from class \IO (but not subclasses of \IO), - * this method has potential security vulnerabilities if called with untrusted input; - * see {Command Injection}[rdoc-ref:command_injection.rdoc]. - * */ static VALUE @@ -13679,6 +13715,7 @@ argf_set_encoding(int argc, VALUE *argv, VALUE argf) rb_io_set_encoding(argc, argv, ARGF.current_file); GetOpenFile(ARGF.current_file, fptr); ARGF.encs = fptr->encs; + RB_OBJ_WRITTEN(argf, Qundef, ARGF.encs.ecopts); return argf; } @@ -14611,7 +14648,7 @@ argf_inplace_mode_set(VALUE argf, VALUE val) ARGF.inplace = Qnil; } else { - ARGF.inplace = rb_str_new_frozen(val); + ARGF_SET(inplace, rb_str_new_frozen(val)); } return argf; } @@ -14625,7 +14662,7 @@ opt_i_set(VALUE val, ID id, VALUE *var) void ruby_set_inplace_mode(const char *suffix) { - ARGF.inplace = !suffix ? Qfalse : !*suffix ? Qnil : rb_str_new(suffix, strlen(suffix)); + ARGF_SET(inplace, !suffix ? Qfalse : !*suffix ? Qnil : rb_str_new(suffix, strlen(suffix))); } /* @@ -14885,7 +14922,7 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y) * - \File +t.rb+: * * p "ARGV: #{ARGV}" - * p "Line: #{ARGF.read}" # Read everything from all specified streams. + * p "Read: #{ARGF.read}" # Read everything from all specified streams. * * - Command and output: * @@ -14959,9 +14996,7 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y) * ["ARGV", ["-"]] * ["ARGF.read", "Open the pod bay doors, Hal.\n"] * - * When no character <tt>'-'</tt> is given, stream <tt>$stdin</tt> is ignored - * (exception: - * see {Specifying $stdin in ARGV}[rdoc-ref:ARGF@Specifying+-24stdin+in+ARGV]): + * When no character <tt>'-'</tt> is given, stream <tt>$stdin</tt> is ignored. * * - Command and output: * @@ -15076,7 +15111,7 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y) * Like a File stream, an \IO stream has: * * - A read/write mode, which may be read-only, write-only, or read/write; - * see {Read/Write Mode}[rdoc-ref:File@Read-2FWrite+Mode]. + * see {Read/Write Mode}[rdoc-ref:File@ReadWrite+Mode]. * - A data mode, which may be text-only or binary; * see {Data Mode}[rdoc-ref:File@Data+Mode]. * - Internal and external encodings; @@ -15120,7 +15155,7 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y) * - +:binmode+: If a truthy value, specifies the mode as binary, text-only otherwise. * - +:autoclose+: If a truthy value, specifies that the +fd+ will close * when the stream closes; otherwise it remains open. - * - +:path:+ If a string value is provided, it is used in #inspect and is available as + * - +:path+: If a string value is provided, it is used in #inspect and is available as * #path method. * * Also available are the options offered in String#encode, @@ -15317,11 +15352,13 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y) * File.open('t.txt') {|f| f.gets(11) } # => "First line\n" * File.open('t.txt') {|f| f.gets(12) } # => "First line\n" * - * # Text with 2-byte characters, which will not be split. - * File.open('t.rus') {|f| f.gets(1).size } # => 1 - * File.open('t.rus') {|f| f.gets(2).size } # => 1 - * File.open('t.rus') {|f| f.gets(3).size } # => 2 - * File.open('t.rus') {|f| f.gets(4).size } # => 2 + * # Text with 3-byte characters, which will not be split. + * File.read('t.ja') # => "こんにちは" + * File.open('t.ja') {|f| f.gets(1).size } # => 1 + * File.open('t.ja') {|f| f.gets(2).size } # => 1 + * File.open('t.ja') {|f| f.gets(3).size } # => 1 + * File.open('t.ja') {|f| f.gets(4).size } # => 2 + * File.open('t.ja') {|f| f.gets(5).size } # => 2 * * ===== Line Separator and Line Limit * @@ -15472,8 +15509,8 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y) * * First, what's elsewhere. Class \IO: * - * - Inherits from {class Object}[rdoc-ref:Object@What-27s+Here]. - * - Includes {module Enumerable}[rdoc-ref:Enumerable@What-27s+Here], + * - Inherits from {class Object}[rdoc-ref:Object@Whats+Here]. + * - Includes {module Enumerable}[rdoc-ref:Enumerable@Whats+Here], * which provides dozens of additional methods. * * Here, class \IO provides methods that are useful for: @@ -15737,7 +15774,7 @@ Init_IO(void) rb_define_method(rb_cIO, "initialize", rb_io_initialize, -1); rb_output_fs = Qnil; - rb_define_hooked_variable("$,", &rb_output_fs, 0, deprecated_str_setter); + rb_define_hooked_variable("$,", &rb_output_fs, 0, rb_deprecated_str_setter); rb_default_rs = rb_fstring_lit("\n"); /* avoid modifying RS_default */ rb_vm_register_global_object(rb_default_rs); @@ -15747,10 +15784,11 @@ Init_IO(void) rb_gvar_ractor_local("$/"); // not local but ractor safe rb_define_hooked_variable("$-0", &rb_rs, 0, deprecated_rs_setter); rb_gvar_ractor_local("$-0"); // not local but ractor safe - rb_define_hooked_variable("$\\", &rb_output_rs, 0, deprecated_str_setter); + rb_define_hooked_variable("$\\", &rb_output_rs, 0, rb_deprecated_str_setter); rb_define_virtual_variable("$_", get_LAST_READ_LINE, set_LAST_READ_LINE); rb_gvar_ractor_local("$_"); + rb_gvar_box_dynamic("$_"); rb_define_method(rb_cIO, "initialize_copy", rb_io_init_copy, 1); rb_define_method(rb_cIO, "reopen", rb_io_reopen, -1); @@ -15972,7 +16010,7 @@ Init_IO(void) rb_define_hooked_variable("$.", &argf, argf_lineno_getter, argf_lineno_setter); rb_define_hooked_variable("$FILENAME", &argf, argf_filename_getter, rb_gvar_readonly_setter); - ARGF.filename = rb_str_new2("-"); + ARGF_SET(filename, rb_str_new2("-")); rb_define_hooked_variable("$-i", &argf, opt_i_get, opt_i_set); rb_gvar_ractor_local("$-i"); |
