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authorOleg Nesterov <oleg@tv-sign.ru>2005-10-30 18:02:21 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-30 20:37:20 -0500
commit4eb9af2a8a431a832830f986fead7332dab27229 (patch)
tree424d265f46c7d2e545235117e1b5dcfb074b5228 /kernel/posix-timers.c
parent33430dc593f866f5d67ff6a6213b6dd6d7ea3ce1 (diff)
[PATCH] posix-timers: use schedule_timeout() in common_nsleep()
common_nsleep() reimplements schedule_timeout_interruptible() for unknown reason. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/posix-timers.c')
-rw-r--r--kernel/posix-timers.c19
1 files changed, 1 insertions, 18 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index dda3cda73c77..ea55c7a1cd75 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -1295,13 +1295,6 @@ sys_clock_getres(clockid_t which_clock, struct timespec __user *tp)
1295 return error; 1295 return error;
1296} 1296}
1297 1297
1298static void nanosleep_wake_up(unsigned long __data)
1299{
1300 struct task_struct *p = (struct task_struct *) __data;
1301
1302 wake_up_process(p);
1303}
1304
1305/* 1298/*
1306 * The standard says that an absolute nanosleep call MUST wake up at 1299 * The standard says that an absolute nanosleep call MUST wake up at
1307 * the requested time in spite of clock settings. Here is what we do: 1300 * the requested time in spite of clock settings. Here is what we do:
@@ -1442,7 +1435,6 @@ static int common_nsleep(clockid_t which_clock,
1442 int flags, struct timespec *tsave) 1435 int flags, struct timespec *tsave)
1443{ 1436{
1444 struct timespec t, dum; 1437 struct timespec t, dum;
1445 struct timer_list new_timer;
1446 DECLARE_WAITQUEUE(abs_wqueue, current); 1438 DECLARE_WAITQUEUE(abs_wqueue, current);
1447 u64 rq_time = (u64)0; 1439 u64 rq_time = (u64)0;
1448 s64 left; 1440 s64 left;
@@ -1451,10 +1443,6 @@ static int common_nsleep(clockid_t which_clock,
1451 &current_thread_info()->restart_block; 1443 &current_thread_info()->restart_block;
1452 1444
1453 abs_wqueue.flags = 0; 1445 abs_wqueue.flags = 0;
1454 init_timer(&new_timer);
1455 new_timer.expires = 0;
1456 new_timer.data = (unsigned long) current;
1457 new_timer.function = nanosleep_wake_up;
1458 abs = flags & TIMER_ABSTIME; 1446 abs = flags & TIMER_ABSTIME;
1459 1447
1460 if (restart_block->fn == clock_nanosleep_restart) { 1448 if (restart_block->fn == clock_nanosleep_restart) {
@@ -1490,13 +1478,8 @@ static int common_nsleep(clockid_t which_clock,
1490 if (left < (s64)0) 1478 if (left < (s64)0)
1491 break; 1479 break;
1492 1480
1493 new_timer.expires = jiffies + left; 1481 schedule_timeout_interruptible(left);
1494 __set_current_state(TASK_INTERRUPTIBLE);
1495 add_timer(&new_timer);
1496
1497 schedule();
1498 1482
1499 del_timer_sync(&new_timer);
1500 left = rq_time - get_jiffies_64(); 1483 left = rq_time - get_jiffies_64();
1501 } while (left > (s64)0 && !test_thread_flag(TIF_SIGPENDING)); 1484 } while (left > (s64)0 && !test_thread_flag(TIF_SIGPENDING));
1502 1485