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g_unix_set_fd_nonblocking: New API to control file descriptor blocking state

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And use it in relevant places in GLib.

https://bugzilla.gnome.org/show_bug.cgi?id=649225
This commit is contained in:
Colin Walters
2011-05-03 09:52:10 -04:00
parent e08e70e08d
commit ed37970a04
6 changed files with 69 additions and 32 deletions
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27
gio/gcancellable.c
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@@ -21,11 +21,10 @@
*/
#include "config.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#include "glib.h"
#ifdef G_OS_UNIX
#include "glib-unix.h"
#endif
#include <errno.h>
#include <fcntl.h>
#include <gioerror.h>
#ifdef G_OS_WIN32
#include <windows.h>
@@ -193,22 +192,6 @@ g_cancellable_class_init (GCancellableClass *klass)
}
#ifndef G_OS_WIN32
static void
set_fd_nonblocking (int fd)
{
#ifdef F_GETFL
glong fcntl_flags;
fcntl_flags = fcntl (fd, F_GETFL);
#ifdef O_NONBLOCK
fcntl_flags |= O_NONBLOCK;
#else
fcntl_flags |= O_NDELAY;
#endif
fcntl (fd, F_SETFL, fcntl_flags);
#endif
}
static void
set_fd_close_exec (int fd)
@@ -235,8 +218,8 @@ g_cancellable_open_pipe (GCancellable *cancellable)
/* Make them nonblocking, just to be sure we don't block
* on errors and stuff
*/
set_fd_nonblocking (priv->cancel_pipe[0]);
set_fd_nonblocking (priv->cancel_pipe[1]);
g_unix_set_fd_nonblocking (priv->cancel_pipe[0], TRUE, NULL);
g_unix_set_fd_nonblocking (priv->cancel_pipe[1], TRUE, NULL);
set_fd_close_exec (priv->cancel_pipe[0]);
set_fd_close_exec (priv->cancel_pipe[1]);