diff options
Diffstat (limited to 'nptl/allocatestack.c')
-rw-r--r-- | nptl/allocatestack.c | 59 |
1 files changed, 1 insertions, 58 deletions
diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c index 736c63d..c05cd47 100644 --- a/nptl/allocatestack.c +++ b/nptl/allocatestack.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -982,60 +982,3 @@ __pthread_init_static_tls (struct link_map *map) lll_unlock (stack_cache_lock); } - - -void -attribute_hidden -__wait_lookup_done (void) -{ - lll_lock (stack_cache_lock); - - struct pthread *self = THREAD_SELF; - - /* Iterate over the list with system-allocated threads first. */ - list_t *runp; - list_for_each (runp, &stack_used) - { - struct pthread *t = list_entry (runp, struct pthread, list); - if (t == self || t->header.gscope_flag == THREAD_GSCOPE_FLAG_UNUSED) - continue; - - int *const gscope_flagp = &t->header.gscope_flag; - - /* We have to wait until this thread is done with the global - scope. First tell the thread that we are waiting and - possibly have to be woken. */ - if (atomic_compare_and_exchange_bool_acq (gscope_flagp, - THREAD_GSCOPE_FLAG_WAIT, - THREAD_GSCOPE_FLAG_USED)) - continue; - - do - lll_futex_wait (gscope_flagp, THREAD_GSCOPE_FLAG_WAIT); - while (*gscope_flagp == THREAD_GSCOPE_FLAG_WAIT); - } - - /* Now the list with threads using user-allocated stacks. */ - list_for_each (runp, &__stack_user) - { - struct pthread *t = list_entry (runp, struct pthread, list); - if (t == self || t->header.gscope_flag == THREAD_GSCOPE_FLAG_UNUSED) - continue; - - int *const gscope_flagp = &t->header.gscope_flag; - - /* We have to wait until this thread is done with the global - scope. First tell the thread that we are waiting and - possibly have to be woken. */ - if (atomic_compare_and_exchange_bool_acq (gscope_flagp, - THREAD_GSCOPE_FLAG_WAIT, - THREAD_GSCOPE_FLAG_USED)) - continue; - - do - lll_futex_wait (gscope_flagp, THREAD_GSCOPE_FLAG_WAIT); - while (*gscope_flagp == THREAD_GSCOPE_FLAG_WAIT); - } - - lll_unlock (stack_cache_lock); -} |