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* dlfcn/Makefile (LDLIBS-bug-atexit3-lib.so): Add

Browse Source 
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".
This commit is contained in:
Ulrich Drepper 2006-08-31 17:16:11 +00:00
parent bee2df0bb9
commit b80770b23f
8 changed files with 45 additions and 17 deletions
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11
ChangeLog
View File

@ -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

3
dlfcn/Makefile
View File

@ -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 \

9
elf/tst-addr1.c
View File

@ -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 ()

10
malloc/malloc.c
View File

@ -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);

10
nptl/ChangeLog
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@ -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

7
nptl/pthread_rwlock_trywrlock.c
View File

@ -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;

6
nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c
View File

@ -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);

6
nptl/sysdeps/pthread/pthread_rwlock_wrlock.c
View File

@ -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);