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signals: add set_restore_sigmask

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This adds the set_restore_sigmask() inline in <linux/thread_info.h> and
replaces every set_thread_flag(TIF_RESTORE_SIGMASK) with a call to it.  No
change, but abstracts the details of the flag protocol from all the calls.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roland McGrath
2008-04-30 00:53:06 -07:00
committed by Linus Torvalds
parent 80fe728d59
commit 4e4c22c711
6 changed files with 22 additions and 11 deletions
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4
fs/select.c
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@@ -498,7 +498,7 @@ sticky:
if (sigmask) {
memcpy(&current->saved_sigmask, &sigsaved,
sizeof(sigsaved));
set_thread_flag(TIF_RESTORE_SIGMASK);
set_restore_sigmask();
}
} else if (sigmask)
sigprocmask(SIG_SETMASK, &sigsaved, NULL);
@@ -805,7 +805,7 @@ asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
if (sigmask) {
memcpy(&current->saved_sigmask, &sigsaved,
sizeof(sigsaved));
set_thread_flag(TIF_RESTORE_SIGMASK);
set_restore_sigmask();
}
ret = -ERESTARTNOHAND;
} else if (sigmask)