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authorUlrich Drepper <drepper@redhat.com>2008-11-01 19:51:41 +0000
committerUlrich Drepper <drepper@redhat.com>2008-11-01 19:51:41 +0000
commitefac1fce6212f0e471ce7fa2519b1d3a4a084ddc (patch)
treebe8d1940955413cdb3bef2fb7e54c58191b398f9 /nptl
parent64647f9aa8727fdcb4c58c7542beca3732148d0a (diff)
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[BZ #6955]
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>.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/ChangeLog9
-rw-r--r--nptl/pthread_mutex_lock.c13
-rw-r--r--nptl/pthread_mutex_timedlock.c13
-rw-r--r--nptl/pthread_mutex_trylock.c12
-rw-r--r--nptl/pthread_mutex_unlock.c8
5 files changed, 44 insertions, 11 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index df01334..bc87e2b 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 ed98dfc..3eb5636 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 4bf0efe..8d0db79 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 f6e24d4..25029be 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 d33d059..a14c43e 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);