Differences From Artifact [3c75ad2bae]:
- File
src/mutex.h
— part of check-in
[dfd52d5220]
at
2021-04-17 16:24:13
on branch new-naming-convention
— of_mutex_t -> OFPlainMutex
Also rename of_rmutex_t -> OFPlainRecursiveMutex. (user: js, size: 4060) [annotate] [blame] [check-ins using]
To Artifact [89d7ed7ceb]:
- File src/mutex.h — part of check-in [fabf53041a] at 2021-04-17 16:29:36 on branch new-naming-convention — of_spinlock_t -> OFSpinlock (user: js, size: 4022) [annotate] [blame] [check-ins using]
| ︙ | ︙ | |||
35 36 37 38 39 40 41 | #elif defined(OF_AMIGAOS) # include <exec/semaphores.h> typedef struct SignalSemaphore OFPlainMutex; #endif #if defined(OF_HAVE_ATOMIC_OPS) # import "atomic.h" | | | | | 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | #elif defined(OF_AMIGAOS) # include <exec/semaphores.h> typedef struct SignalSemaphore OFPlainMutex; #endif #if defined(OF_HAVE_ATOMIC_OPS) # import "atomic.h" typedef volatile int OFSpinlock; # define OF_SPINCOUNT 10 #elif defined(OF_HAVE_PTHREAD_SPINLOCKS) typedef pthread_spinlock_t OFSpinlock; #else typedef OFPlainMutex OFSpinlock; #endif #ifdef OF_HAVE_SCHED_YIELD # include <sched.h> #endif #if defined(OF_HAVE_RECURSIVE_PTHREAD_MUTEXES) || defined(OF_WINDOWS) || \ |
| ︙ | ︙ | |||
88 89 90 91 92 93 94 | sched_yield(); #elif defined(OF_WINDOWS) Sleep(0); #endif } static OF_INLINE int | | | | | | | | | 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 |
sched_yield();
#elif defined(OF_WINDOWS)
Sleep(0);
#endif
}
static OF_INLINE int
OFSpinlockNew(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
*spinlock = 0;
return 0;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
return pthread_spin_init(spinlock, 0);
#else
return OFPlainMutexNew(spinlock);
#endif
}
static OF_INLINE int
OFSpinlockTryLock(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
if (of_atomic_int_cmpswap(spinlock, 0, 1)) {
of_memory_barrier_acquire();
return 0;
}
return EBUSY;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
return pthread_spin_trylock(spinlock);
#else
return OFPlainMutexTryLock(spinlock);
#endif
}
static OF_INLINE int
OFSpinlockLock(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
size_t i;
for (i = 0; i < OF_SPINCOUNT; i++)
if (OFSpinlockTryLock(spinlock) == 0)
return 0;
while (OFSpinlockTryLock(spinlock) == EBUSY)
OFYieldThread();
return 0;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
return pthread_spin_lock(spinlock);
#else
return OFPlainMutexLock(spinlock);
#endif
}
static OF_INLINE int
OFSpinlockUnlock(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
bool ret = of_atomic_int_cmpswap(spinlock, 1, 0);
of_memory_barrier_release();
return (ret ? 0 : EINVAL);
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
return pthread_spin_unlock(spinlock);
#else
return OFPlainMutexUnlock(spinlock);
#endif
}
static OF_INLINE int
OFSpinlockFree(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
return 0;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
return pthread_spin_destroy(spinlock);
#else
return OFPlainMutexFree(spinlock);
#endif
}
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