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-rw-r--r--ext/io/wait/wait.c267
1 files changed, 2 insertions, 265 deletions
diff --git a/ext/io/wait/wait.c b/ext/io/wait/wait.c
index 73bc77a294..f7575191fe 100644
--- a/ext/io/wait/wait.c
+++ b/ext/io/wait/wait.c
@@ -11,276 +11,13 @@
**********************************************************************/
-#include "ruby.h"
-#include "ruby/io.h"
-
-#include <sys/types.h>
-#if defined(HAVE_UNISTD_H) && (defined(__sun))
-#include <unistd.h>
-#endif
-#if defined(HAVE_SYS_IOCTL_H)
-#include <sys/ioctl.h>
-#endif
-#if defined(FIONREAD_HEADER)
-#include FIONREAD_HEADER
-#endif
-
-#ifdef HAVE_RB_W32_IOCTLSOCKET
-#define ioctl ioctlsocket
-#define ioctl_arg u_long
-#define ioctl_arg2num(i) ULONG2NUM(i)
-#else
-#define ioctl_arg int
-#define ioctl_arg2num(i) INT2NUM(i)
-#endif
-
-#ifdef HAVE_RB_W32_IS_SOCKET
-#define FIONREAD_POSSIBLE_P(fd) rb_w32_is_socket(fd)
-#else
-#define FIONREAD_POSSIBLE_P(fd) ((void)(fd),Qtrue)
-#endif
-
-/*
- * call-seq:
- * io.nread -> int
- *
- * Returns number of bytes that can be read without blocking.
- * Returns zero if no information available.
- */
-
-static VALUE
-io_nread(VALUE io)
-{
- rb_io_t *fptr = NULL;
- ioctl_arg n;
-
- GetOpenFile(io, fptr);
- rb_io_check_readable(fptr);
- int len = rb_io_read_pending(fptr);
- if (len > 0) return INT2FIX(len);
- if (!FIONREAD_POSSIBLE_P(fptr->fd)) return INT2FIX(0);
- if (ioctl(fptr->fd, FIONREAD, &n)) return INT2FIX(0);
- if (n > 0) return ioctl_arg2num(n);
- return INT2FIX(0);
-}
-
-static VALUE
-io_wait_event(VALUE io, int event, VALUE timeout)
-{
- VALUE result = rb_io_wait(io, RB_INT2NUM(event), timeout);
-
- if (!RB_TEST(result)) {
- return Qnil;
- }
-
- int mask = RB_NUM2INT(result);
-
- if (mask & event) {
- return io;
- }
- else {
- return Qfalse;
- }
-}
+#include "ruby.h" /* abi_version */
/*
- * call-seq:
- * io.ready? -> true or false
- *
- * Returns +true+ if input available without blocking, or +false+.
- */
-
-static VALUE
-io_ready_p(VALUE io)
-{
- rb_io_t *fptr;
-
- GetOpenFile(io, fptr);
- rb_io_check_readable(fptr);
- if (rb_io_read_pending(fptr)) return Qtrue;
-
- return io_wait_event(io, RUBY_IO_READABLE, RB_INT2NUM(0));
-}
-
-/*
- * call-seq:
- * io.wait_readable -> true or false
- * io.wait_readable(timeout) -> true or false
- *
- * Waits until IO is readable and returns +true+, or
- * +false+ when times out.
- * Returns +true+ immediately when buffered data is available.
- */
-
-static VALUE
-io_wait_readable(int argc, VALUE *argv, VALUE io)
-{
- rb_io_t *fptr = NULL;
-
- RB_IO_POINTER(io, fptr);
- rb_io_check_readable(fptr);
-
- if (rb_io_read_pending(fptr)) return Qtrue;
-
- rb_check_arity(argc, 0, 1);
- VALUE timeout = (argc == 1 ? argv[0] : Qnil);
-
- return io_wait_event(io, RUBY_IO_READABLE, timeout);
-}
-
-/*
- * call-seq:
- * io.wait_writable -> true or false
- * io.wait_writable(timeout) -> true or false
- *
- * Waits until IO is writable and returns +true+ or
- * +false+ when times out.
- */
-static VALUE
-io_wait_writable(int argc, VALUE *argv, VALUE io)
-{
- rb_io_t *fptr = NULL;
-
- RB_IO_POINTER(io, fptr);
- rb_io_check_writable(fptr);
-
- rb_check_arity(argc, 0, 1);
- VALUE timeout = (argc == 1 ? argv[0] : Qnil);
-
- return io_wait_event(io, RUBY_IO_WRITABLE, timeout);
-}
-
-/*
- * call-seq:
- * io.wait_priority -> true or false
- * io.wait_priority(timeout) -> true or false
- *
- * Waits until IO is priority and returns +true+ or
- * +false+ when times out.
- */
-static VALUE
-io_wait_priority(int argc, VALUE *argv, VALUE io)
-{
- rb_io_t *fptr = NULL;
-
- RB_IO_POINTER(io, fptr);
- rb_io_check_readable(fptr);
-
- if (rb_io_read_pending(fptr)) return Qtrue;
-
- rb_check_arity(argc, 0, 1);
- VALUE timeout = argc == 1 ? argv[0] : Qnil;
-
- return io_wait_event(io, RUBY_IO_PRIORITY, timeout);
-}
-
-static int
-wait_mode_sym(VALUE mode)
-{
- if (mode == ID2SYM(rb_intern("r"))) {
- return RB_WAITFD_IN;
- }
- if (mode == ID2SYM(rb_intern("read"))) {
- return RB_WAITFD_IN;
- }
- if (mode == ID2SYM(rb_intern("readable"))) {
- return RB_WAITFD_IN;
- }
- if (mode == ID2SYM(rb_intern("w"))) {
- return RB_WAITFD_OUT;
- }
- if (mode == ID2SYM(rb_intern("write"))) {
- return RB_WAITFD_OUT;
- }
- if (mode == ID2SYM(rb_intern("writable"))) {
- return RB_WAITFD_OUT;
- }
- if (mode == ID2SYM(rb_intern("rw"))) {
- return RB_WAITFD_IN|RB_WAITFD_OUT;
- }
- if (mode == ID2SYM(rb_intern("read_write"))) {
- return RB_WAITFD_IN|RB_WAITFD_OUT;
- }
- if (mode == ID2SYM(rb_intern("readable_writable"))) {
- return RB_WAITFD_IN|RB_WAITFD_OUT;
- }
- rb_raise(rb_eArgError, "unsupported mode: %"PRIsVALUE, mode);
- return 0;
-}
-
-/*
- * call-seq:
- * io.wait(events, timeout) -> event mask or false.
- * io.wait(timeout = nil, mode = :read) -> event mask or false (deprecated)
- *
- * Waits until the IO becomes ready for the specified events and returns the
- * subset of events that become ready, or +false+ when times out.
- *
- * The events can be a bit mask of +IO::READABLE+, +IO::WRITABLE+ or
- * +IO::PRIORITY+.
- *
- * Returns +true+ immediately when buffered data is available.
- *
- * Optional parameter +mode+ is one of +:read+, +:write+, or
- * +:read_write+ (deprecated).
- */
-
-static VALUE
-io_wait(int argc, VALUE *argv, VALUE io)
-{
- VALUE timeout = Qnil;
- rb_io_event_t events = 0;
-
- if (argc < 2 || (argc >= 2 && RB_SYMBOL_P(argv[1]))) {
- if (argc > 0) {
- timeout = argv[0];
- }
-
- for (int i = 1; i < argc; i += 1) {
- events |= wait_mode_sym(argv[i]);
- }
- }
- else if (argc == 2) {
- events = RB_NUM2UINT(argv[0]);
-
- if (argv[1] != Qnil) {
- timeout = argv[1];
- }
- }
- else {
- // TODO error
- return Qnil;
- }
-
- if (events == 0) {
- events = RUBY_IO_READABLE;
- }
-
- if (events & RUBY_IO_READABLE) {
- rb_io_t *fptr = NULL;
- RB_IO_POINTER(io, fptr);
-
- if (rb_io_read_pending(fptr)) {
- return Qtrue;
- }
- }
-
- return io_wait_event(io, events, timeout);
-}
-
-/*
- * IO wait methods
+ * IO wait methods are built in ruby now, just for backward compatibility.
*/
void
Init_wait(void)
{
- rb_define_method(rb_cIO, "nread", io_nread, 0);
- rb_define_method(rb_cIO, "ready?", io_ready_p, 0);
-
- rb_define_method(rb_cIO, "wait", io_wait, -1);
-
- rb_define_method(rb_cIO, "wait_readable", io_wait_readable, -1);
- rb_define_method(rb_cIO, "wait_writable", io_wait_writable, -1);
- rb_define_method(rb_cIO, "wait_priority", io_wait_priority, -1);
}
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