From 4e4c22c71144c1b2e22c257ec6cf08ccb5be1165 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@redhat.com>
Date: Wed, 30 Apr 2008 00:53:06 -0700
Subject: signals: add set_restore_sigmask

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>
---
 fs/compat.c    | 6 +++---
 fs/eventpoll.c | 3 +--
 fs/select.c    | 4 ++--
 3 files changed, 6 insertions(+), 7 deletions(-)

(limited to 'fs')

diff --git a/fs/compat.c b/fs/compat.c
index 2ce4456aad30..9964d542ae9e 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1720,7 +1720,7 @@ 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);
@@ -1791,7 +1791,7 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
 		if (sigmask) {
 			memcpy(&current->saved_sigmask, &sigsaved,
 				sizeof(sigsaved));
-			set_thread_flag(TIF_RESTORE_SIGMASK);
+			set_restore_sigmask();
 		}
 		ret = -ERESTARTNOHAND;
 	} else if (sigmask)
@@ -2117,7 +2117,7 @@ asmlinkage long compat_sys_epoll_pwait(int epfd,
 		if (err == -EINTR) {
 			memcpy(&current->saved_sigmask, &sigsaved,
 			       sizeof(sigsaved));
-			set_thread_flag(TIF_RESTORE_SIGMASK);
+			set_restore_sigmask();
 		} else
 			sigprocmask(SIG_SETMASK, &sigsaved, NULL);
 	}
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 0d237182d721..71af2fc0041e 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1279,7 +1279,7 @@ asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
 		if (error == -EINTR) {
 			memcpy(&current->saved_sigmask, &sigsaved,
 			       sizeof(sigsaved));
-			set_thread_flag(TIF_RESTORE_SIGMASK);
+			set_restore_sigmask();
 		} else
 			sigprocmask(SIG_SETMASK, &sigsaved, NULL);
 	}
@@ -1309,4 +1309,3 @@ static int __init eventpoll_init(void)
 	return 0;
 }
 fs_initcall(eventpoll_init);
-
diff --git a/fs/select.c b/fs/select.c
index 00f58c5c7e05..32ce2b32fad1 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -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)
-- 
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