diff options
| -rw-r--r-- | nptl/ChangeLog | 9 | ||||
| -rw-r--r-- | nptl/pthread_mutex_lock.c | 13 | ||||
| -rw-r--r-- | nptl/pthread_mutex_timedlock.c | 13 | ||||
| -rw-r--r-- | nptl/pthread_mutex_trylock.c | 12 | ||||
| -rw-r--r-- | nptl/pthread_mutex_unlock.c | 8 |
5 files changed, 44 insertions, 11 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index df01334d15..bc87e2b4d7 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,12 @@ +2008-11-01 Ulrich Drepper <drepper@redhat.com> + + [BZ #6955] + * pthread_mutex_lock.c: Add support for private PI mutexes. + * pthread_mutex_timedlock.c: Likewise. + * pthread_mutex_trylock.c: Likewise. + * pthread_mutex_unlock.c: Likewise. + Patch mostly by Ben Jackson <ben@ben.com>. + 2008-10-31 Ulrich Drepper <drepper@redhat.com> [BZ #6843] diff --git a/nptl/pthread_mutex_lock.c b/nptl/pthread_mutex_lock.c index ed98dfc6c3..3eb5636955 100644 --- a/nptl/pthread_mutex_lock.c +++ b/nptl/pthread_mutex_lock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. +/* Copyright (C) 2002-2007, 2008 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -269,9 +269,13 @@ __pthread_mutex_lock (mutex) { /* The mutex is locked. The kernel will now take care of everything. */ + int private = (robust + ? PTHREAD_ROBUST_MUTEX_PSHARED (mutex) + : PTHREAD_MUTEX_PSHARED (mutex)); INTERNAL_SYSCALL_DECL (__err); int e = INTERNAL_SYSCALL (futex, __err, 4, &mutex->__data.__lock, - FUTEX_LOCK_PI, 1, 0); + __lll_private_flag (FUTEX_LOCK_PI, + private), 1, 0); if (INTERNAL_SYSCALL_ERROR_P (e, __err) && (INTERNAL_SYSCALL_ERRNO (e, __err) == ESRCH @@ -327,7 +331,10 @@ __pthread_mutex_lock (mutex) INTERNAL_SYSCALL_DECL (__err); INTERNAL_SYSCALL (futex, __err, 4, &mutex->__data.__lock, - FUTEX_UNLOCK_PI, 0, 0); + __lll_private_flag (FUTEX_UNLOCK_PI, + PTHREAD_ROBUST_MUTEX_PSHARED (mutex) +), + 0, 0); THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); return ENOTRECOVERABLE; diff --git a/nptl/pthread_mutex_timedlock.c b/nptl/pthread_mutex_timedlock.c index 4bf0efea34..8d0db79d58 100644 --- a/nptl/pthread_mutex_timedlock.c +++ b/nptl/pthread_mutex_timedlock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. +/* Copyright (C) 2002-2007, 2008 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -254,10 +254,15 @@ pthread_mutex_timedlock (mutex, abstime) /* The mutex is locked. The kernel will now take care of everything. The timeout value must be a relative value. Convert it. */ + int private = (robust + ? PTHREAD_ROBUST_MUTEX_PSHARED (mutex) + : PTHREAD_MUTEX_PSHARED (mutex)); INTERNAL_SYSCALL_DECL (__err); int e = INTERNAL_SYSCALL (futex, __err, 4, &mutex->__data.__lock, - FUTEX_LOCK_PI, 1, abstime); + __lll_private_flag (FUTEX_LOCK_PI, + private), 1, + abstime); if (INTERNAL_SYSCALL_ERROR_P (e, __err)) { if (INTERNAL_SYSCALL_ERRNO (e, __err) == ETIMEDOUT) @@ -331,7 +336,9 @@ pthread_mutex_timedlock (mutex, abstime) INTERNAL_SYSCALL_DECL (__err); INTERNAL_SYSCALL (futex, __err, 4, &mutex->__data.__lock, - FUTEX_UNLOCK_PI, 0, 0); + __lll_private_flag (FUTEX_UNLOCK_PI, + PTHREAD_ROBUST_MUTEX_PSHARED (mutex)), + 0, 0); THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); return ENOTRECOVERABLE; diff --git a/nptl/pthread_mutex_trylock.c b/nptl/pthread_mutex_trylock.c index f6e24d4138..25029bedce 100644 --- a/nptl/pthread_mutex_trylock.c +++ b/nptl/pthread_mutex_trylock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2005, 2006, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005-2007, 2008 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -231,9 +231,13 @@ __pthread_mutex_trylock (mutex) /* The mutex owner died. The kernel will now take care of everything. */ + int private = (robust + ? PTHREAD_ROBUST_MUTEX_PSHARED (mutex) + : PTHREAD_MUTEX_PSHARED (mutex)); INTERNAL_SYSCALL_DECL (__err); int e = INTERNAL_SYSCALL (futex, __err, 4, &mutex->__data.__lock, - FUTEX_TRYLOCK_PI, 0, 0); + __lll_private_flag (FUTEX_TRYLOCK_PI, + private), 0, 0); if (INTERNAL_SYSCALL_ERROR_P (e, __err) && INTERNAL_SYSCALL_ERRNO (e, __err) == EWOULDBLOCK) @@ -274,7 +278,9 @@ __pthread_mutex_trylock (mutex) INTERNAL_SYSCALL_DECL (__err); INTERNAL_SYSCALL (futex, __err, 4, &mutex->__data.__lock, - FUTEX_UNLOCK_PI, 0, 0); + __lll_private_flag (FUTEX_UNLOCK_PI, + PTHREAD_ROBUST_MUTEX_PSHARED (mutex)), + 0, 0); THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); return ENOTRECOVERABLE; diff --git a/nptl/pthread_mutex_unlock.c b/nptl/pthread_mutex_unlock.c index d33d0593d8..a14c43ece7 100644 --- a/nptl/pthread_mutex_unlock.c +++ b/nptl/pthread_mutex_unlock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2005, 2006, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005-2007, 2008 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -196,9 +196,13 @@ __pthread_mutex_unlock_usercnt (mutex, decr) THREAD_GETMEM (THREAD_SELF, tid))) { + int robust = mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_NORMAL_NP; + int private = (robust + ? PTHREAD_ROBUST_MUTEX_PSHARED (mutex) + : PTHREAD_MUTEX_PSHARED (mutex)); INTERNAL_SYSCALL_DECL (__err); INTERNAL_SYSCALL (futex, __err, 2, &mutex->__data.__lock, - FUTEX_UNLOCK_PI); + __lll_private_flag (FUTEX_UNLOCK_PI, private)); } THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); |