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authormarha <marha@users.sourceforge.net>2013-12-22 13:12:15 +0100
committermarha <marha@users.sourceforge.net>2013-12-22 13:16:58 +0100
commit1d03b6f684ab1ea6772f00058605a9ebb2910628 (patch)
tree8b393bd59900eba6aa9010cab9e714922cac2536 /xorg-server/os/utils.c
parent5567cf1befbda64f2dc6fae1d337567cd984b46e (diff)
parentc81020559f329a516191927222b3698ba7370aca (diff)
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Merge remote-tracking branch 'origin/released'
* origin/released: libxtrans fontconfig glproto libX11 libxcb xcbproto mesa xserver pixman xkeyboard-config git update 22 Dec 2013 Conflicts: mesalib/include/GL/glext.h mesalib/src/mesa/drivers/dri/common/dri_util.c mesalib/src/mesa/drivers/dri/swrast/swrast.c xorg-server/damageext/damageext.c xorg-server/dix/dispatch.c xorg-server/glx/glxdriswrast.c xorg-server/glx/indirect_dispatch.c xorg-server/glx/indirect_dispatch_swap.c xorg-server/glx/indirect_program.c xorg-server/glx/render2.c xorg-server/glx/render2swap.c xorg-server/hw/xwin/glx/gen_gl_wrappers.py xorg-server/hw/xwin/glx/glthunk.c xorg-server/hw/xwin/glx/indirect.c xorg-server/include/os.h xorg-server/present/present_request.c
Diffstat (limited to 'xorg-server/os/utils.c')
-rw-r--r--xorg-server/os/utils.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/xorg-server/os/utils.c b/xorg-server/os/utils.c
index c40a938f7..ff3b7e40a 100644
--- a/xorg-server/os/utils.c
+++ b/xorg-server/os/utils.c
@@ -2129,3 +2129,27 @@ FormatUInt64Hex(uint64_t num, char *string)
string[len] = '\0';
}
+
+/* Move a file descriptor out of the way of our select mask; this
+ * is useful for file descriptors which will never appear in the
+ * select mask to avoid reducing the number of clients that can
+ * connect to the server
+ */
+int
+os_move_fd(int fd)
+{
+ int newfd;
+
+#ifdef F_DUPFD_CLOEXEC
+ newfd = fcntl(fd, F_DUPFD_CLOEXEC, MAXCLIENTS);
+#else
+ newfd = fcntl(fd, F_DUPFD, MAXCLIENTS);
+#endif
+ if (newfd < 0)
+ return fd;
+#ifndef F_DUPFD_CLOEXEC
+ fcntl(newfd, F_SETFD, FD_CLOEXEC);
+#endif
+ close(fd);
+ return newfd;
+}