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Unified Diff: fusl/src/thread/pthread_mutex_timedlock.c

Issue 1714623002: [fusl] clang-format fusl (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: headers too Created 4 years, 10 months ago
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Index: fusl/src/thread/pthread_mutex_timedlock.c
diff --git a/fusl/src/thread/pthread_mutex_timedlock.c b/fusl/src/thread/pthread_mutex_timedlock.c
index 0a240e7913418bd86a48c02977c6733e8e49c0f8..dcca44b615ac57aeb88ef59e3bed692825ee4d8e 100644
--- a/fusl/src/thread/pthread_mutex_timedlock.c
+++ b/fusl/src/thread/pthread_mutex_timedlock.c
@@ -1,34 +1,37 @@
#include "pthread_impl.h"
-int __pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec *restrict at)
-{
- if ((m->_m_type&15) == PTHREAD_MUTEX_NORMAL
- && !a_cas(&m->_m_lock, 0, EBUSY))
- return 0;
+int __pthread_mutex_timedlock(pthread_mutex_t* restrict m,
+ const struct timespec* restrict at) {
+ if ((m->_m_type & 15) == PTHREAD_MUTEX_NORMAL &&
+ !a_cas(&m->_m_lock, 0, EBUSY))
+ return 0;
- int r, t, priv = (m->_m_type & 128) ^ 128;
+ int r, t, priv = (m->_m_type & 128) ^ 128;
- r = pthread_mutex_trylock(m);
- if (r != EBUSY) return r;
-
- int spins = 100;
- while (spins-- && m->_m_lock && !m->_m_waiters) a_spin();
+ r = pthread_mutex_trylock(m);
+ if (r != EBUSY)
+ return r;
- while ((r=pthread_mutex_trylock(m)) == EBUSY) {
- if (!(r=m->_m_lock) || ((r&0x40000000) && (m->_m_type&4)))
- continue;
- if ((m->_m_type&3) == PTHREAD_MUTEX_ERRORCHECK
- && (r&0x7fffffff) == __pthread_self()->tid)
- return EDEADLK;
+ int spins = 100;
+ while (spins-- && m->_m_lock && !m->_m_waiters)
+ a_spin();
- a_inc(&m->_m_waiters);
- t = r | 0x80000000;
- a_cas(&m->_m_lock, r, t);
- r = __timedwait(&m->_m_lock, t, CLOCK_REALTIME, at, priv);
- a_dec(&m->_m_waiters);
- if (r && r != EINTR) break;
- }
- return r;
+ while ((r = pthread_mutex_trylock(m)) == EBUSY) {
+ if (!(r = m->_m_lock) || ((r & 0x40000000) && (m->_m_type & 4)))
+ continue;
+ if ((m->_m_type & 3) == PTHREAD_MUTEX_ERRORCHECK &&
+ (r & 0x7fffffff) == __pthread_self()->tid)
+ return EDEADLK;
+
+ a_inc(&m->_m_waiters);
+ t = r | 0x80000000;
+ a_cas(&m->_m_lock, r, t);
+ r = __timedwait(&m->_m_lock, t, CLOCK_REALTIME, at, priv);
+ a_dec(&m->_m_waiters);
+ if (r && r != EINTR)
+ break;
+ }
+ return r;
}
weak_alias(__pthread_mutex_timedlock, pthread_mutex_timedlock);

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