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Define THREAD_ATOMIC_CMPXCHG_VAL and THREAD_ATOMIC_BIT_SET if not already defined.

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This commit is contained in:
Ulrich Drepper 2003-04-05 05:08:05 +00:00
parent d0f534e9a1
commit 3242201746
1 changed files with 13 additions and 1 deletions
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14
nptl/pthreadP.h
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@ -131,6 +131,18 @@ extern int __pthread_debug attribute_hidden;
#define SIGTIMER (__SIGRTMIN + 1)
/* Atomic operations on TLS memory. */
#ifndef THREAD_ATOMIC_CMPXCHG_VAL
# define THREAD_ATOMIC_CMPXCHG_VAL(descr, member, new, old) \
atomic_compare_and_exchange_val_acq (&(descr)->member, new, old)
#endif
#ifndef THREAD_ATOMIC_BIT_SET
# define THREAD_ATOMIC_BIT_SET(descr, member, bit) \
atomic_bit_set (&(descr)->member, bit)
#endif
/* This function is responsible for calling all registered cleanup
handlers and then terminate the thread. This includes dellocating
the thread-specific data. The implementation is complicated by the
@ -151,7 +163,7 @@ __do_cancel (void)
struct pthread *self = THREAD_SELF;
/* Make sure we get no more cancellations. */
atomic_bit_set (&self->cancelhandling, EXITING_BIT);
THREAD_ATOMIC_BIT_SET (self, cancelhandling, EXITING_BIT);
/* Throw an exception. */
// XXX TBI