X-Git-Url: http://lists.indexdata.com/cgi-bin?a=blobdiff_plain;f=src%2Fmutex.c;h=6b80fe5199931018b152fd29c75b82b40cb72b84;hb=a60cfb6333496199c7c1d52d67ab8a3835597b48;hp=aeaf2214c9ab17419fb2d9398c3eec1317d6e487;hpb=263231600cbe7a49190b38fc724199fe2e69f7dd;p=yaz-moved-to-github.git diff --git a/src/mutex.c b/src/mutex.c index aeaf221..6b80fe5 100644 --- a/src/mutex.c +++ b/src/mutex.c @@ -21,10 +21,12 @@ #include #include #include - +#include #ifdef WIN32 #include +#include #endif +#include #if HAVE_SYS_TIME_H #include @@ -44,6 +46,14 @@ struct yaz_mutex { int log_level; }; +struct yaz_cond { +#ifdef WIN32 + CONDITION_VARIABLE cond; +#elif YAZ_POSIX_THREADS + pthread_cond_t cond; +#endif +}; + void yaz_mutex_create(YAZ_MUTEX *p) { if (!*p) @@ -100,7 +110,7 @@ void yaz_mutex_enter(YAZ_MUTEX p) d = 1000000LL * ((long long) tv2.tv_sec - tv1.tv_sec) + tv2.tv_usec - tv1.tv_usec; yaz_log(p->log_level, "yaz_mutex_enter: %p tid=%p name=%s " - "lock delay=%lld", + "lock delay %lld", p, (void *) pthread_self(), p->name, d); #endif } @@ -157,6 +167,85 @@ void yaz_mutex_destroy(YAZ_MUTEX *p) } } + +void yaz_cond_create(YAZ_COND *p) +{ + *p = (YAZ_COND) malloc(sizeof(**p)); +#ifdef WIN32 + InitializeConditionVariable(&(*p)->cond); +#elif YAZ_POSIX_THREADS + pthread_cond_init(&(*p)->cond, 0); +#endif +} + +void yaz_cond_destroy(YAZ_COND *p) +{ + if (*p) + { +#ifdef WIN32 +#elif YAZ_POSIX_THREADS + pthread_cond_destroy(&(*p)->cond); +#endif + free(*p); + *p = 0; + } +} + +int yaz_cond_wait(YAZ_COND p, YAZ_MUTEX m, const struct timeval *abstime) +{ +#ifdef WIN32 + if (abstime) + { + struct timeval tval_now; + int sec, msec; + + yaz_gettimeofday(&tval_now); + + sec = abstime->tv_sec - tval_now.tv_sec; + msec = (abstime->tv_usec - tval_now.tv_usec) / 1000; + return SleepConditionVariableCS(&p->cond, &m->handle, sec*1000 + msec); + } + else + return SleepConditionVariableCS(&p->cond, &m->handle, INFINITE); +#elif YAZ_POSIX_THREADS + if (abstime) + { + struct timespec s; + s.tv_sec = abstime->tv_sec; + s.tv_nsec = abstime->tv_usec * 1000; + return pthread_cond_timedwait(&p->cond, &m->handle, &s); + } + else + return pthread_cond_wait(&p->cond, &m->handle); +#else + return -1; +#endif +} + +int yaz_cond_signal(YAZ_COND p) +{ +#ifdef WIN32 + WakeConditionVariable(&p->cond); + return 0; +#elif YAZ_POSIX_THREADS + return pthread_cond_signal(&p->cond); +#else + return -1; +#endif +} + +int yaz_cond_broadcast(YAZ_COND p) +{ +#ifdef WIN32 + WakeAllConditionVariable(&p->cond); + return 0; +#elif YAZ_POSIX_THREADS + return pthread_cond_broadcast(&p->cond); +#else + return -1; +#endif +} + /* * Local variables: * c-basic-offset: 4