diff options
Diffstat (limited to 'ext/io/wait/wait.c')
-rw-r--r-- | ext/io/wait/wait.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/ext/io/wait/wait.c b/ext/io/wait/wait.c index fcb3bcfe42..25494c0f28 100644 --- a/ext/io/wait/wait.c +++ b/ext/io/wait/wait.c @@ -15,7 +15,17 @@ #include "rubyio.h" #include <sys/types.h> +#if defined(FIONREAD_HEADER) #include FIONREAD_HEADER +#elif defined(HAVE_RB_W32_IOCTLSOCKET) +#define ioctl ioctlsocket +#endif + +#ifdef HAVE_RB_W32_IS_SOCKET +#define FIONREAD_POSSIBLE_P(fd) rb_w32_is_socket(fptr->fd) +#else +#define FIONREAD_POSSIBLE_P(fd) Qtrue +#endif static VALUE io_ready_p _((VALUE io)); static VALUE io_wait _((int argc, VALUE *argv, VALUE io)); @@ -45,6 +55,7 @@ io_ready_p(io) 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 INT2NUM(n); return Qnil; @@ -98,6 +109,7 @@ io_wait(argc, argv, io) } 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); |