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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
parentbee2df0bb966087d7f57d935a4234ffe30c76196 (diff)
* dlfcn/Makefile (LDLIBS-bug-atexit3-lib.so): Addcvs/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".
-rw-r--r--ChangeLog11
-rw-r--r--dlfcn/Makefile3
-rw-r--r--elf/tst-addr1.c9
-rw-r--r--malloc/malloc.c10
-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
8 files changed, 45 insertions, 17 deletions
diff --git a/ChangeLog b/ChangeLog
index a75ac8b23b..54dc010a07 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2006-08-31 Jakub Jelinek <jakub@redhat.com>
+
+ * dlfcn/Makefile (LDLIBS-bug-atexit3-lib.so): Add
+ 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".
+
2006-08-30 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h (splice): Add offin
diff --git a/dlfcn/Makefile b/dlfcn/Makefile
index ffdb70ea68..63e7b31b2a 100644
--- a/dlfcn/Makefile
+++ b/dlfcn/Makefile
@@ -136,7 +136,8 @@ $(objpfx)bug-atexit2.out: $(objpfx)bug-atexit2-lib.so
$(objpfx)bug-atexit2-lib.so: $(common-objpfx)libc.so \
$(common-objpfx)libc_nonshared.a
-LDLIBS-bug-atexit3-lib.so = -lstdc++ -lgcc_eh $(common-objpfx)libc_nonshared.a
+LDLIBS-bug-atexit3-lib.so = -lstdc++ -lgcc_eh $(common-objpfx)elf/ld.so \
+ $(common-objpfx)libc_nonshared.a
$(objpfx)bug-atexit3: $(libdl)
$(objpfx)bug-atexit3.out: $(objpfx)bug-atexit3-lib.so
$(objpfx)bug-atexit3-lib.so: $(common-objpfx)libc.so \
diff --git a/elf/tst-addr1.c b/elf/tst-addr1.c
index 3a2cbb668f..637906e206 100644
--- a/elf/tst-addr1.c
+++ b/elf/tst-addr1.c
@@ -12,7 +12,14 @@ do_test (void)
return 1;
}
printf ("found symbol %s in %s\n", i.dli_sname, i.dli_fname);
- return i.dli_sname == NULL || strcmp (i.dli_sname, "printf") != 0;
+ return i.dli_sname == NULL
+ || (strcmp (i.dli_sname, "printf") != 0
+ /* On architectures which create PIC code by default
+ &printf may resolve to an address in libc.so
+ rather than in the binary. printf and _IO_printf
+ are aliased and which one comes first in the
+ hash table is up to the linker. */
+ && strcmp (i.dli_sname, "_IO_printf") != 0);
}
#define TEST_FUNCTION do_test ()
diff --git a/malloc/malloc.c b/malloc/malloc.c
index d37e521367..206f3e1b6a 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -4230,8 +4230,14 @@ _int_malloc(mstate av, size_t bytes)
/* Split */
else {
remainder = chunk_at_offset(victim, nb);
- unsorted_chunks(av)->bk = unsorted_chunks(av)->fd = remainder;
- remainder->bk = remainder->fd = unsorted_chunks(av);
+ /* We cannot assume the unsorted list is empty and therefore
+ have to perform a complete insert here. */
+ bck = unsorted_chunks(av);
+ fwd = bck->fd;
+ remainder->bk = bck;
+ remainder->fd = fwd;
+ bck->fd = remainder;
+ fwd->bk = remainder;
set_head(victim, nb | PREV_INUSE |
(av != &main_arena ? NON_MAIN_ARENA : 0));
set_head(remainder, remainder_size | PREV_INUSE);
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);