51 #elif !defined(HB_NO_MT) && (defined(_WIN32) || defined(__CYGWIN__))
52
53 #include <windows.h>
54 typedef CRITICAL_SECTION hb_mutex_impl_t;
55 #define HB_MUTEX_IMPL_INIT {0}
56 #if defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
57 #define hb_mutex_impl_init(M) InitializeCriticalSectionEx (M, 0, 0)
58 #else
59 #define hb_mutex_impl_init(M) InitializeCriticalSection (M)
60 #endif
61 #define hb_mutex_impl_lock(M) EnterCriticalSection (M)
62 #define hb_mutex_impl_unlock(M) LeaveCriticalSection (M)
63 #define hb_mutex_impl_finish(M) DeleteCriticalSection (M)
64
65
66 #elif !defined(HB_NO_MT) && (defined(HAVE_PTHREAD) || defined(__APPLE__))
67
68 #include <pthread.h>
69 typedef pthread_mutex_t hb_mutex_impl_t;
70 #define HB_MUTEX_IMPL_INIT PTHREAD_MUTEX_INITIALIZER
71 #define hb_mutex_impl_init(M) pthread_mutex_init (M, NULL)
72 #define hb_mutex_impl_lock(M) pthread_mutex_lock (M)
73 #define hb_mutex_impl_unlock(M) pthread_mutex_unlock (M)
74 #define hb_mutex_impl_finish(M) pthread_mutex_destroy (M)
75
76
77 #elif !defined(HB_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES)
78
79 #if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_YIELD)
80 # include <sched.h>
81 # define HB_SCHED_YIELD() sched_yield ()
82 #else
83 # define HB_SCHED_YIELD() HB_STMT_START {} HB_STMT_END
84 #endif
85
86 /* This actually is not a totally awful implementation. */
87 typedef volatile int hb_mutex_impl_t;
88 #define HB_MUTEX_IMPL_INIT 0
89 #define hb_mutex_impl_init(M) *(M) = 0
90 #define hb_mutex_impl_lock(M) HB_STMT_START { while (__sync_lock_test_and_set((M), 1)) HB_SCHED_YIELD (); } HB_STMT_END
91 #define hb_mutex_impl_unlock(M) __sync_lock_release (M)
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51 #elif !defined(HB_NO_MT) && (defined(_WIN32) || defined(__CYGWIN__))
52
53 #include <windows.h>
54 typedef CRITICAL_SECTION hb_mutex_impl_t;
55 #define HB_MUTEX_IMPL_INIT {0}
56 #if defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
57 #define hb_mutex_impl_init(M) InitializeCriticalSectionEx (M, 0, 0)
58 #else
59 #define hb_mutex_impl_init(M) InitializeCriticalSection (M)
60 #endif
61 #define hb_mutex_impl_lock(M) EnterCriticalSection (M)
62 #define hb_mutex_impl_unlock(M) LeaveCriticalSection (M)
63 #define hb_mutex_impl_finish(M) DeleteCriticalSection (M)
64
65
66 #elif !defined(HB_NO_MT) && (defined(HAVE_PTHREAD) || defined(__APPLE__))
67
68 #include <pthread.h>
69 typedef pthread_mutex_t hb_mutex_impl_t;
70 #define HB_MUTEX_IMPL_INIT PTHREAD_MUTEX_INITIALIZER
71 #define hb_mutex_impl_init(M) pthread_mutex_init (M, nullptr)
72 #define hb_mutex_impl_lock(M) pthread_mutex_lock (M)
73 #define hb_mutex_impl_unlock(M) pthread_mutex_unlock (M)
74 #define hb_mutex_impl_finish(M) pthread_mutex_destroy (M)
75
76
77 #elif !defined(HB_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES)
78
79 #if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_YIELD)
80 # include <sched.h>
81 # define HB_SCHED_YIELD() sched_yield ()
82 #else
83 # define HB_SCHED_YIELD() HB_STMT_START {} HB_STMT_END
84 #endif
85
86 /* This actually is not a totally awful implementation. */
87 typedef volatile int hb_mutex_impl_t;
88 #define HB_MUTEX_IMPL_INIT 0
89 #define hb_mutex_impl_init(M) *(M) = 0
90 #define hb_mutex_impl_lock(M) HB_STMT_START { while (__sync_lock_test_and_set((M), 1)) HB_SCHED_YIELD (); } HB_STMT_END
91 #define hb_mutex_impl_unlock(M) __sync_lock_release (M)
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