27#if defined(_THREAD_SAFE) && defined(TDS_HAVE_PTHREAD_MUTEX)
29#include <tds_sysdep_public.h>
33#include <freetds/pushvis.h>
36#define TDS_RAW_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
40 pthread_mutex_lock(mtx);
45 return pthread_mutex_trylock(mtx);
50 pthread_mutex_unlock(mtx);
55 return pthread_mutex_init(mtx, NULL);
60 pthread_mutex_destroy(mtx);
68 return pthread_cond_destroy(cond);
72 return pthread_cond_signal(cond);
76 return pthread_cond_wait(cond, mtx);
80#define TDS_HAVE_MUTEX 1
83typedef pthread_t tds_thread_id;
84typedef void *(*tds_thread_proc)(
void *arg);
85#define TDS_THREAD_PROC_DECLARE(name, arg) \
87#define TDS_THREAD_RESULT(n) ((void*)(intptr_t)(n))
89static inline int tds_thread_create(
tds_thread *ret, tds_thread_proc proc,
void *arg)
91 return pthread_create(ret, NULL, proc, arg);
94static inline int tds_thread_create_detached(tds_thread_proc proc,
void *arg)
97 int ret = pthread_create(&th, NULL, proc, arg);
103static inline int tds_thread_join(
tds_thread th,
void **ret)
105 return pthread_join(th, ret);
108static inline tds_thread_id tds_thread_get_current_id(
void)
110 return pthread_self();
113static inline int tds_thread_is_current(tds_thread_id th)
115 return pthread_equal(th, pthread_self());
118#include <freetds/popvis.h>
122#include <freetds/windows.h>
133 struct ptw32_mcs_node_t_ *lock;
136 CRITICAL_SECTION crit;
139#define TDS_RAW_MUTEX_INITIALIZER { NULL, 0, 0 }
155 EnterCriticalSection(&mtx->crit);
156 mtx->thread_id = GetCurrentThreadId();
158 tds_win_mutex_lock(mtx);
167 LeaveCriticalSection(&mtx->crit);
173 DeleteCriticalSection(&mtx->crit);
178#define TDS_HAVE_MUTEX 1
181typedef void *TDS_CONDITION_VARIABLE;
184 TDS_CONDITION_VARIABLE cv;
193 return tds_raw_cond_timedwait(cond, mtx, -1);
197typedef DWORD tds_thread_id;
198typedef DWORD (WINAPI *tds_thread_proc)(
void *arg);
199#define TDS_THREAD_PROC_DECLARE(name, arg) \
200 DWORD WINAPI name(void *arg)
201#define TDS_THREAD_RESULT(n) ((DWORD)(int)(n))
203static inline int tds_thread_create(
tds_thread *ret, tds_thread_proc proc,
void *arg)
205 *ret = CreateThread(NULL, 0, proc, arg, 0, NULL);
206 return *ret != NULL ? 0 : 11 ;
209static inline int tds_thread_create_detached(tds_thread_proc proc,
void *arg)
211 HANDLE h = CreateThread(NULL, 0, proc, arg, 0, NULL);
218static inline int tds_thread_join(
tds_thread th,
void **ret)
220 if (WaitForSingleObject(th, INFINITE) == WAIT_OBJECT_0) {
223 if (!GetExitCodeThread(th, &r))
225 *ret = (
void*) (((
char*)0) + r);
235static inline tds_thread_id tds_thread_get_current_id(
void)
237 return GetCurrentThreadId();
240static inline int tds_thread_is_current(tds_thread_id th)
242 return th == GetCurrentThreadId();
247#include <tds_sysdep_public.h>
254#define TDS_RAW_MUTEX_INITIALIZER {}
290#define tds_raw_cond_signal(cond) \
291 FreeTDS_Condition_not_compiled
293#define tds_raw_cond_wait(cond, mtx) \
294 FreeTDS_Condition_not_compiled
296#define tds_raw_cond_timedwait(cond, mtx, timeout_sec) \
297 FreeTDS_Condition_not_compiled
302typedef int tds_thread_id;
304typedef void *(*tds_thread_proc)(
void *arg);
305#define TDS_THREAD_PROC_DECLARE(name, arg) \
306 void *name(void *arg)
307#define TDS_THREAD_RESULT(n) ((void*)(intptr_t)(n))
309#define tds_thread_create(ret, proc, arg) \
310 FreeTDS_Thread_not_compiled
312#define tds_thread_create_detached(proc, arg) \
313 FreeTDS_Thread_not_compiled
315#define tds_thread_join(th, ret) \
316 FreeTDS_Thread_not_compiled
318static inline tds_thread_id tds_thread_get_current_id(
void)
323static inline int tds_thread_is_current(tds_thread_id th)
330# define tds_cond_init tds_raw_cond_init
331# define tds_cond_destroy tds_raw_cond_destroy
332# define tds_cond_signal tds_raw_cond_signal
333# if !ENABLE_EXTRA_CHECKS
334# define TDS_MUTEX_INITIALIZER TDS_RAW_MUTEX_INITIALIZER
335# define tds_mutex tds_raw_mutex
336# define tds_mutex_lock tds_raw_mutex_lock
337# define tds_mutex_trylock tds_raw_mutex_trylock
338# define tds_mutex_unlock tds_raw_mutex_unlock
339# define tds_mutex_check_owned(mtx) do {} while(0)
340# define tds_mutex_init tds_raw_mutex_init
341# define tds_mutex_free tds_raw_mutex_free
342# define tds_cond_wait tds_raw_cond_wait
343# define tds_cond_timedwait tds_raw_cond_timedwait
347typedef struct tds_mutex
351 volatile tds_thread_id locked_by;
354# define TDS_MUTEX_INITIALIZER { TDS_RAW_MUTEX_INITIALIZER, 0 }
356static inline void tds_mutex_lock(tds_mutex *mtx)
359 tds_raw_mutex_lock(&mtx->mtx);
360 assert(!mtx->locked);
362 mtx->locked_by = tds_thread_get_current_id();
365static inline int tds_mutex_trylock(tds_mutex *mtx)
369 ret = tds_raw_mutex_trylock(&mtx->mtx);
371 assert(!mtx->locked);
373 mtx->locked_by = tds_thread_get_current_id();
378static inline void tds_mutex_unlock(tds_mutex *mtx)
380 assert(mtx && mtx->locked);
382 tds_raw_mutex_unlock(&mtx->mtx);
385static inline void tds_mutex_check_owned(tds_mutex *mtx)
389 ret = tds_raw_mutex_trylock(&mtx->mtx);
392 assert(tds_thread_is_current(mtx->locked_by));
395static inline int tds_mutex_init(tds_mutex *mtx)
398 return tds_raw_mutex_init(&mtx->mtx);
401static inline void tds_mutex_free(tds_mutex *mtx)
403 assert(mtx && !mtx->locked);
404 tds_raw_mutex_free(&mtx->mtx);
407static inline int tds_cond_wait(
tds_condition *cond, tds_mutex *mtx)
410 assert(mtx && mtx->locked);
412 ret = tds_raw_cond_wait(cond, &mtx->mtx);
414 mtx->locked_by = tds_thread_get_current_id();
418static inline int tds_cond_timedwait(
tds_condition *cond, tds_mutex *mtx,
int timeout_sec)
421 assert(mtx && mtx->locked);
423 ret = tds_raw_cond_timedwait(cond, &mtx->mtx, timeout_sec);
425 mtx->locked_by = tds_thread_get_current_id();
Definition ptw32_MCS_lock.c:98