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authorUlrich Drepper <drepper@redhat.com>2006-08-31 17:16:11 +0000
committerUlrich Drepper <drepper@redhat.com>2006-08-31 17:16:11 +0000
commitb80770b23f7c285fb7c04e3e86dc5f2bb2a1cf11 (patch)
tree3b7b9b7146a0bd23b9111a84a03f7d21bf8cec27 /nptl
parentbee2df0bb966087d7f57d935a4234ffe30c76196 (diff)
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* dlfcn/Makefile (LDLIBS-bug-atexit3-lib.so): Add cvs/fedora-glibc-20060831T1812
	ld.so.

	* malloc/malloc.c (_int_malloc): Use full list insert and not
	shortcut which assumes the list is empty for large requests
	too.

	* elf/tst-addr1.c (do_test): Allow i.dli_sname "_IO_printf".
Diffstat (limited to 'nptl')
-rw-r--r--nptl/ChangeLog10
-rw-r--r--nptl/pthread_rwlock_trywrlock.c7
-rw-r--r--nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c6
-rw-r--r--nptl/sysdeps/pthread/pthread_rwlock_wrlock.c6
4 files changed, 16 insertions, 13 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index f9e89997b1..b83324f557 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,13 @@
+2006-08-31  Ulrich Drepper  <drepper@redhat.com>
+
+	* pthread_rwlock_trywrlock.c (__pthread_rwlock_trywrlock): Undo last
+	change because it can disturb too much existing code.  If real hard
+	reader preference is needed we'll introduce another type.
+	* sysdeps/pthread/pthread_rwlock_timedwrlock.c
+	(pthread_rwlock_timedwrlock): Likewise.
+	* sysdeps/pthread/pthread_rwlock_wrlock.c (__pthread_rwlock_wrlock):
+	Likewise.
+
 2006-08-30  Ulrich Drepper  <drepper@redhat.com>
 
 	* pthread_rwlock_trywrlock.c (__pthread_rwlock_trywrlock): Respect
diff --git a/nptl/pthread_rwlock_trywrlock.c b/nptl/pthread_rwlock_trywrlock.c
index 63760064c5..b754a19565 100644
--- a/nptl/pthread_rwlock_trywrlock.c
+++ b/nptl/pthread_rwlock_trywrlock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -30,10 +30,7 @@ __pthread_rwlock_trywrlock (rwlock)
 
   lll_mutex_lock (rwlock->__data.__lock);
 
-  if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0
-      /* Respect the preference.  */
-      && (rwlock->__data.__flags != 0
-	  || rwlock->__data.__nr_readers_queued == 0))
+  if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0)
     {
       rwlock->__data.__writer = THREAD_GETMEM (THREAD_SELF, tid);
       result = 0;
diff --git a/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c b/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c
index ab7bc7babb..97c0598f96 100644
--- a/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c
+++ b/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
 
@@ -40,9 +40,7 @@ pthread_rwlock_timedwrlock (rwlock, abstime)
       int err;
 
       /* Get the rwlock if there is no writer and no reader.  */
-      if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0
-	  && (rwlock->__data.__flags != 0
-	      || rwlock->__data.__nr_readers_queued == 0))
+      if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0)
 	{
 	  /* Mark self as writer.  */
 	  rwlock->__data.__writer = THREAD_GETMEM (THREAD_SELF, tid);
diff --git a/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c b/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c
index 4d967f2496..822aeed79c 100644
--- a/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c
+++ b/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
 
@@ -37,9 +37,7 @@ __pthread_rwlock_wrlock (rwlock)
   while (1)
     {
       /* Get the rwlock if there is no writer and no reader.  */
-      if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0
-	  && (rwlock->__data.__flags != 0
-	      || rwlock->__data.__nr_readers_queued == 0))
+      if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0)
 	{
 	  /* Mark self as writer.  */
 	  rwlock->__data.__writer = THREAD_GETMEM (THREAD_SELF, tid);