Messages in this thread Patch in this message | | | Date | Sat, 3 May 2008 15:28:45 -0400 | From | Ulrich Drepper <> | Subject | [PATCH] tiny mq_open optimization |
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A very small cleanup for mq_open. We do not have to call set_close_on_exit if we create the file descriptor right away with the flag set. We have a function for this now. The resulting code is smaller and a tiny bit faster.
Signed-off-by: Ulrich Drepper <drepper@redhat.com>
diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 94fd3b0..b3b69fd 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -673,7 +673,7 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode, if (IS_ERR(name = getname(u_name))) return PTR_ERR(name); - fd = get_unused_fd(); + fd = get_unused_fd_flags(O_CLOEXEC); if (fd < 0) goto out_putname; @@ -709,7 +709,6 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode, goto out_putfd; } - set_close_on_exec(fd, 1); fd_install(fd, filp); goto out_upsem;
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