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* sysdeps/unix/sysv/linux/kernel-features.h: Add

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__ASSUME_SET_ROBUST_LIST.
This commit is contained in:
Ulrich Drepper
2006-03-28 04:25:17 +00:00
parent 5b20043897
commit 0f6699ea05
16 changed files with 520 additions and 123 deletions
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24
nptl/allocatestack.c
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@ -365,12 +365,6 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
/* The process ID is also the same as that of the caller. */
pd->pid = THREAD_GETMEM (THREAD_SELF, pid);
/* List of robust mutexes. */
#ifdef __PTHREAD_MUTEX_HAVE_PREV
pd->robust_list.__prev = &pd->robust_list;
#endif
pd->robust_list.__next = &pd->robust_list;
/* Allocate the DTV for this thread. */
if (_dl_allocate_tls (TLS_TPADJ (pd)) == NULL)
{
@ -505,12 +499,6 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
/* The process ID is also the same as that of the caller. */
pd->pid = THREAD_GETMEM (THREAD_SELF, pid);
/* List of robust mutexes. */
#ifdef __PTHREAD_MUTEX_HAVE_PREV
pd->robust_list.__prev = &pd->robust_list;
#endif
pd->robust_list.__next = &pd->robust_list;
/* Allocate the DTV for this thread. */
if (_dl_allocate_tls (TLS_TPADJ (pd)) == NULL)
{
@ -634,6 +622,18 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
stillborn thread could be canceled while the lock is taken. */
pd->lock = LLL_LOCK_INITIALIZER;
/* The robust mutex lists also need to be initialized
unconditionally because the cleanup for the previous stack owner
might have happened in the kernel. */
pd->robust_head.futex_offset = (offsetof (pthread_mutex_t, __data.__lock)
- offsetof (pthread_mutex_t,
__data.__list.__next));
pd->robust_head.list_op_pending = NULL;
#ifdef __PTHREAD_MUTEX_HAVE_PREV
pd->robust_prev = &pd->robust_head;
#endif
pd->robust_head.list = &pd->robust_head;
/* We place the thread descriptor at the end of the stack. */
*pdp = pd;