diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:13:14 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:13:14 +0000 |
commit | d0233291bc8a5068e52c69c210e5979e5324b5bc (patch) | |
tree | 7d9459449c33792c63eeb7baa071e76352e0baab /trunk/ext/io/wait/wait.c | |
parent | 0dc342de848a642ecce8db697b8fecd83a63e117 (diff) | |
parent | 72eaacaa15256ab95c3b52ea386f88586fb9da40 (diff) |
re-adding tag v1_9_0_4 as an alias of trunk@18848v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18849 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/ext/io/wait/wait.c')
-rw-r--r-- | trunk/ext/io/wait/wait.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/trunk/ext/io/wait/wait.c b/trunk/ext/io/wait/wait.c deleted file mode 100644 index 5986f61b39..0000000000 --- a/trunk/ext/io/wait/wait.c +++ /dev/null @@ -1,138 +0,0 @@ -/********************************************************************** - - io/wait.c - - - $Author$ - created at: Tue Aug 28 09:08:06 JST 2001 - - All the files in this distribution are covered under the Ruby's - license (see the file COPYING). - -**********************************************************************/ - -#include "ruby.h" -#include "rubyio.h" - -#include <sys/types.h> -#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 - -static VALUE io_ready_p _((VALUE io)); -static VALUE io_wait _((int argc, VALUE *argv, VALUE io)); -void Init_wait _((void)); - -EXTERN struct timeval rb_time_interval _((VALUE time)); - -/* - * call-seq: - * io.ready? -> true, false or nil - * - * Returns non-nil if input available without blocking, or nil. - */ - -static VALUE -io_ready_p(VALUE io) -{ - rb_io_t *fptr; - ioctl_arg n; - - GetOpenFile(io, fptr); - rb_io_check_readable(fptr); - if (rb_io_read_pending(fptr)) return Qtrue; - if (!FIONREAD_POSSIBLE_P(fptr->fd)) return Qfalse; - if (ioctl(fptr->fd, FIONREAD, &n)) rb_sys_fail(0); - if (n > 0) return ioctl_arg2num(n); - return Qnil; -} - -struct wait_readable_arg { - rb_fdset_t fds; - struct timeval *timeout; -}; - -#ifdef HAVE_RB_FD_INIT -static VALUE -wait_readable(VALUE p) -{ - struct wait_readable_arg *arg = (struct wait_readable_arg *)p; - rb_fdset_t *fds = &arg->fds; - - return (VALUE)rb_thread_select(rb_fd_max(fds), rb_fd_ptr(fds), NULL, NULL, arg->timeout); -} -#endif - -/* - * call-seq: - * io.wait -> IO, true, false or nil - * io.wait(timeout) -> IO, true, false or nil - * - * Waits until input is available or times out and returns self or nil when - * EOF is reached. - */ - -static VALUE -io_wait(int argc, VALUE *argv, VALUE io) -{ - rb_io_t *fptr; - struct wait_readable_arg arg; - int fd, i; - ioctl_arg n; - VALUE timeout; - struct timeval timerec; - - GetOpenFile(io, fptr); - rb_io_check_readable(fptr); - rb_scan_args(argc, argv, "01", &timeout); - if (NIL_P(timeout)) { - arg.timeout = 0; - } - else { - timerec = rb_time_interval(timeout); - arg.timeout = &timerec; - } - - if (rb_io_read_pending(fptr)) return Qtrue; - if (!FIONREAD_POSSIBLE_P(fptr->fd)) return Qfalse; - fd = fptr->fd; - rb_fd_init(&arg.fds); - rb_fd_set(fd, &arg.fds); -#ifdef HAVE_RB_FD_INIT - i = (int)rb_ensure(wait_readable, (VALUE)&arg, - (VALUE (*)_((VALUE)))rb_fd_term, (VALUE)&arg.fds); -#else - i = rb_thread_select(fd + 1, rb_fd_ptr(&arg.fds), NULL, NULL, arg.timeout); -#endif - if (i < 0) - rb_sys_fail(0); - rb_io_check_closed(fptr); - if (ioctl(fptr->fd, FIONREAD, &n)) rb_sys_fail(0); - if (n > 0) return io; - return Qnil; -} - -/* - * IO wait methods - */ - -void -Init_wait() -{ - rb_define_method(rb_cIO, "ready?", io_ready_p, 0); - rb_define_method(rb_cIO, "wait", io_wait, -1); -} |