Differences From Artifact [7bbaf6acd2]:
- File
src/threading.h
— part of check-in
[dc31ce3d34]
at
2014-01-16 23:09:11
on branch trunk
— Add of_time_interval_t.
This is used instead for time intervals now instead of doubles. (user: js, size: 10654) [annotate] [blame] [check-ins using]
To Artifact [23ee43131c]:
- File src/threading.h — part of check-in [0a8dca300b] at 2014-01-31 13:33:04 on branch trunk — Make sure there's always an #else in abstractions (user: js, size: 11683) [annotate] [blame] [check-ins using]
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13 14 15 16 17 18 19 | * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #import "objfw-defs.h" #if !defined(OF_HAVE_THREADS) || \ | | | 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #import "objfw-defs.h" #if !defined(OF_HAVE_THREADS) || \ (!defined(OF_HAVE_PTHREADS) && !defined(_WIN32)) # error No threads available! #endif #include <math.h> #import "OFObject.h" |
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typedef HANDLE of_thread_t;
typedef DWORD of_tlskey_t;
typedef CRITICAL_SECTION of_mutex_t;
typedef struct {
HANDLE event;
int count;
} of_condition_t;
#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)
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typedef HANDLE of_thread_t;
typedef DWORD of_tlskey_t;
typedef CRITICAL_SECTION of_mutex_t;
typedef struct {
HANDLE event;
int count;
} of_condition_t;
#else
# error No threads available!
#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)
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#if defined(OF_HAVE_PTHREADS)
# define of_thread_is_current(t) pthread_equal(t, pthread_self())
# define of_thread_current pthread_self
#elif defined(_WIN32)
# define of_thread_is_current(t) (t == GetCurrentThread())
# define of_thread_current GetCurrentThread
#endif
static OF_INLINE bool
of_thread_new(of_thread_t *thread, id (*function)(id), id data)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_create(thread, NULL, (void*(*)(void*))function,
(__bridge void*)data);
#elif defined(_WIN32)
*thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)function,
(__bridge void*)data, 0, NULL);
return (thread != NULL);
#endif
}
static OF_INLINE bool
of_thread_join(of_thread_t thread)
{
#if defined(OF_HAVE_PTHREADS)
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#if defined(OF_HAVE_PTHREADS)
# define of_thread_is_current(t) pthread_equal(t, pthread_self())
# define of_thread_current pthread_self
#elif defined(_WIN32)
# define of_thread_is_current(t) (t == GetCurrentThread())
# define of_thread_current GetCurrentThread
#else
# error of_thread_is_current not implemented!
# error of_thread_current not implemented!
#endif
static OF_INLINE bool
of_thread_new(of_thread_t *thread, id (*function)(id), id data)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_create(thread, NULL, (void*(*)(void*))function,
(__bridge void*)data);
#elif defined(_WIN32)
*thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)function,
(__bridge void*)data, 0, NULL);
return (thread != NULL);
#else
# error of_thread_new not implemented!
#endif
}
static OF_INLINE bool
of_thread_join(of_thread_t thread)
{
#if defined(OF_HAVE_PTHREADS)
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#elif defined(_WIN32)
if (WaitForSingleObject(thread, INFINITE))
return false;
CloseHandle(thread);
return true;
#endif
}
static OF_INLINE bool
of_thread_detach(of_thread_t thread)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_detach(thread);
#elif defined(_WIN32)
/* FIXME */
return true;
#endif
}
static OF_INLINE void
of_thread_exit(void)
{
#if defined(OF_HAVE_PTHREADS)
pthread_exit(NULL);
#elif defined(_WIN32)
ExitThread(0);
#endif
}
static OF_INLINE bool
of_mutex_new(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_mutex_init(mutex, NULL);
#elif defined(_WIN32)
InitializeCriticalSection(mutex);
return true;
#endif
}
static OF_INLINE bool
of_mutex_free(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_mutex_destroy(mutex);
#elif defined(_WIN32)
DeleteCriticalSection(mutex);
return true;
#endif
}
static OF_INLINE bool
of_mutex_lock(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_mutex_lock(mutex);
#elif defined(_WIN32)
EnterCriticalSection(mutex);
return true;
#endif
}
static OF_INLINE bool
of_mutex_trylock(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_mutex_trylock(mutex);
#elif defined(_WIN32)
return TryEnterCriticalSection(mutex);
#endif
}
static OF_INLINE bool
of_mutex_unlock(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_mutex_unlock(mutex);
#elif defined(_WIN32)
LeaveCriticalSection(mutex);
return true;
#endif
}
static OF_INLINE bool
of_condition_new(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_cond_init(condition, NULL);
#elif defined(_WIN32)
condition->count = 0;
if ((condition->event = CreateEvent(NULL, FALSE, 0, NULL)) == NULL)
return false;
return true;
#endif
}
static OF_INLINE bool
of_condition_wait(of_condition_t *condition, of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
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#elif defined(_WIN32)
if (WaitForSingleObject(thread, INFINITE))
return false;
CloseHandle(thread);
return true;
#else
# error of_thread_join not implemented!
#endif
}
static OF_INLINE bool
of_thread_detach(of_thread_t thread)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_detach(thread);
#elif defined(_WIN32)
/* FIXME */
return true;
#else
# error of_thread_detach not implemented!
#endif
}
static OF_INLINE void
of_thread_exit(void)
{
#if defined(OF_HAVE_PTHREADS)
pthread_exit(NULL);
#elif defined(_WIN32)
ExitThread(0);
#else
# error of_thread_exit not implemented!
#endif
}
static OF_INLINE bool
of_mutex_new(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_mutex_init(mutex, NULL);
#elif defined(_WIN32)
InitializeCriticalSection(mutex);
return true;
#else
# error of_mutex_new not implemented!
#endif
}
static OF_INLINE bool
of_mutex_free(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_mutex_destroy(mutex);
#elif defined(_WIN32)
DeleteCriticalSection(mutex);
return true;
#else
# error of_mutex_free not implemented!
#endif
}
static OF_INLINE bool
of_mutex_lock(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_mutex_lock(mutex);
#elif defined(_WIN32)
EnterCriticalSection(mutex);
return true;
#else
# error of_mutex_lock not implemented!
#endif
}
static OF_INLINE bool
of_mutex_trylock(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_mutex_trylock(mutex);
#elif defined(_WIN32)
return TryEnterCriticalSection(mutex);
#else
# error of_mutex_trylock not implemented!
#endif
}
static OF_INLINE bool
of_mutex_unlock(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_mutex_unlock(mutex);
#elif defined(_WIN32)
LeaveCriticalSection(mutex);
return true;
#else
# error of_mutex_unlock not implemented!
#endif
}
static OF_INLINE bool
of_condition_new(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_cond_init(condition, NULL);
#elif defined(_WIN32)
condition->count = 0;
if ((condition->event = CreateEvent(NULL, FALSE, 0, NULL)) == NULL)
return false;
return true;
#else
# error of_condition_new not implemented!
#endif
}
static OF_INLINE bool
of_condition_wait(of_condition_t *condition, of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
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of_atomic_dec_int(&condition->count);
if (!of_mutex_lock(mutex))
return false;
return true;
#endif
}
static OF_INLINE bool
of_condition_timed_wait(of_condition_t *condition, of_mutex_t *mutex,
of_time_interval_t timeout)
{
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of_atomic_dec_int(&condition->count);
if (!of_mutex_lock(mutex))
return false;
return true;
#else
# error of_condition_wait not implemented!
#endif
}
static OF_INLINE bool
of_condition_timed_wait(of_condition_t *condition, of_mutex_t *mutex,
of_time_interval_t timeout)
{
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of_atomic_dec_int(&condition->count);
if (!of_mutex_lock(mutex))
return false;
return true;
#endif
}
static OF_INLINE bool
of_condition_signal(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_cond_signal(condition);
#elif defined(_WIN32)
return SetEvent(condition->event);
#endif
}
static OF_INLINE bool
of_condition_broadcast(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_cond_broadcast(condition);
#elif defined(_WIN32)
int i;
for (i = 0; i < condition->count; i++)
if (!SetEvent(condition->event))
return false;
return true;
#endif
}
static OF_INLINE bool
of_condition_free(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_cond_destroy(condition);
#elif defined(_WIN32)
if (condition->count)
return false;
return CloseHandle(condition->event);
#endif
}
static OF_INLINE bool
of_tlskey_new(of_tlskey_t *key)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_key_create(key, NULL);
#elif defined(_WIN32)
return ((*key = TlsAlloc()) != TLS_OUT_OF_INDEXES);
#endif
}
static OF_INLINE void*
of_tlskey_get(of_tlskey_t key)
{
#if defined(OF_HAVE_PTHREADS)
return pthread_getspecific(key);
#elif defined(_WIN32)
return TlsGetValue(key);
#endif
}
static OF_INLINE bool
of_tlskey_set(of_tlskey_t key, void *ptr)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_setspecific(key, ptr);
#elif defined(_WIN32)
return TlsSetValue(key, ptr);
#endif
}
static OF_INLINE bool
of_tlskey_free(of_tlskey_t key)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_key_delete(key);
#elif defined(_WIN32)
return TlsFree(key);
#endif
}
static OF_INLINE bool
of_spinlock_new(of_spinlock_t *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
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of_atomic_dec_int(&condition->count);
if (!of_mutex_lock(mutex))
return false;
return true;
#else
# error of_condition_timed_wait not implemented!
#endif
}
static OF_INLINE bool
of_condition_signal(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_cond_signal(condition);
#elif defined(_WIN32)
return SetEvent(condition->event);
#else
# error of_condition_signal not implemented!
#endif
}
static OF_INLINE bool
of_condition_broadcast(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_cond_broadcast(condition);
#elif defined(_WIN32)
int i;
for (i = 0; i < condition->count; i++)
if (!SetEvent(condition->event))
return false;
return true;
#else
# error of_condition_broadcast not implemented!
#endif
}
static OF_INLINE bool
of_condition_free(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_cond_destroy(condition);
#elif defined(_WIN32)
if (condition->count)
return false;
return CloseHandle(condition->event);
#else
# error of_condition_free not implemented!
#endif
}
static OF_INLINE bool
of_tlskey_new(of_tlskey_t *key)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_key_create(key, NULL);
#elif defined(_WIN32)
return ((*key = TlsAlloc()) != TLS_OUT_OF_INDEXES);
#else
# error of_tlskey_new not implemented!
#endif
}
static OF_INLINE void*
of_tlskey_get(of_tlskey_t key)
{
#if defined(OF_HAVE_PTHREADS)
return pthread_getspecific(key);
#elif defined(_WIN32)
return TlsGetValue(key);
#else
# error of_tlskey_get not implemented!
#endif
}
static OF_INLINE bool
of_tlskey_set(of_tlskey_t key, void *ptr)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_setspecific(key, ptr);
#elif defined(_WIN32)
return TlsSetValue(key, ptr);
#else
# error of_tlskey_set not implemented!
#endif
}
static OF_INLINE bool
of_tlskey_free(of_tlskey_t key)
{
#if defined(OF_HAVE_PTHREADS)
return !pthread_key_delete(key);
#elif defined(_WIN32)
return TlsFree(key);
#else
# error of_tlskey_free not implemented!
#endif
}
static OF_INLINE bool
of_spinlock_new(of_spinlock_t *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
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