Differences From Artifact [b00f51f16c]:
- File src/mutex.h — part of check-in [65510fa56b] at 2021-04-17 16:03:07 on branch new-naming-convention — of_thread_t -> OFPlainThread (user: js, size: 3883) [annotate] [blame] [check-ins using]
To 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]
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24 25 26 27 28 29 30 | # error No mutexes available! #endif #import "macros.h" #if defined(OF_HAVE_PTHREADS) # include <pthread.h> | | | | | | | | | | | | | | | | | | | 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | # error No mutexes available! #endif #import "macros.h" #if defined(OF_HAVE_PTHREADS) # include <pthread.h> typedef pthread_mutex_t OFPlainMutex; #elif defined(OF_WINDOWS) # include <windows.h> typedef CRITICAL_SECTION OFPlainMutex; #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 of_spinlock_t; # define OF_SPINCOUNT 10 #elif defined(OF_HAVE_PTHREAD_SPINLOCKS) typedef pthread_spinlock_t of_spinlock_t; #else typedef OFPlainMutex of_spinlock_t; #endif #ifdef OF_HAVE_SCHED_YIELD # include <sched.h> #endif #if defined(OF_HAVE_RECURSIVE_PTHREAD_MUTEXES) || defined(OF_WINDOWS) || \ defined(OF_AMIGAOS) # define OFPlainRecursiveMutex OFPlainMutex #else # import "tlskey.h" typedef struct { OFPlainMutex mutex; OFTLSKey count; } OFPlainRecursiveMutex; #endif #ifdef __cplusplus extern "C" { #endif extern int OFPlainMutexNew(OFPlainMutex *mutex); extern int OFPlainMutexLock(OFPlainMutex *mutex); extern int OFPlainMutexTryLock(OFPlainMutex *mutex); extern int OFPlainMutexUnlock(OFPlainMutex *mutex); extern int OFPlainMutexFree(OFPlainMutex *mutex); extern int OFPlainRecursiveMutexNew(OFPlainRecursiveMutex *rmutex); extern int OFPlainRecursiveMutexLock(OFPlainRecursiveMutex *rmutex); extern int OFPlainRecursiveMutexTryLock(OFPlainRecursiveMutex *rmutex); extern int OFPlainRecursiveMutexUnlock(OFPlainRecursiveMutex *rmutex); extern int OFPlainRecursiveMutexFree(OFPlainRecursiveMutex *rmutex); #ifdef __cplusplus } #endif /* Spinlocks are inlined for performance. */ static OF_INLINE void |
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96 97 98 99 100 101 102 | { #if defined(OF_HAVE_ATOMIC_OPS) *spinlock = 0; return 0; #elif defined(OF_HAVE_PTHREAD_SPINLOCKS) return pthread_spin_init(spinlock, 0); #else | | | | | | | 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 | { #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 of_spinlock_trylock(of_spinlock_t *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 of_spinlock_lock(of_spinlock_t *spinlock) { #if defined(OF_HAVE_ATOMIC_OPS) size_t i; for (i = 0; i < OF_SPINCOUNT; i++) if (of_spinlock_trylock(spinlock) == 0) return 0; while (of_spinlock_trylock(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 of_spinlock_unlock(of_spinlock_t *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 of_spinlock_free(of_spinlock_t *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 } |