g_mutex_trylock (&merger->task_lock); GST_DEBUG_OBJECT (merger,"Task waiting for cond"); g_cond_wait (&merger->task_cond, &merger->task_lock); GST_DEBUG_OBJECT (merger,"Task processing");while(1) { GstBuffer *buf_l =NULL; GstBuffer *buf_r =NULL;if(GST_PAD_IS_EOS (merger->...
session = get_client_datas_by_socket(disconnect_msg->socket);if(session ==NULL) { g_mutex_lock(disconnect_msg->mutex); disconnect_msg->result = NU_EXIT_ERROR; g_cond_signal(disconnect_msg->cond); g_mutex_unlock(disconnect_msg->mutex); unlock_client_datas();return; }if(g_mutex_trylo...
(3)与互斥量有关的ptread调用: pthread_mutex_init 创建一个互斥量 pthread_mutex_destory 撤销一个已存在的互斥量 pthread_mutex_lock 获得一个锁或者阻塞 pthread_mutex_trylock 获得一个锁或者失败 pthread_mutex_unlock 释放一个锁 6. 条件量: (1) 条件量的作用: 条件量也是一种同步机制,允许线程由于一些...
g_rec_mutex_init g_rec_mutex_lock g_rec_mutex_trylock g_rec_mutex_unlock g_regex_check_replacement g_regex_error_quark g_regex_escape_nul g_regex_escape_string g_regex_get_capture_count g_regex_get_compile_flags g_regex_get_has_cr_or_lf g_regex_get_match_flags g...
通常、ブロックを行う同期プリミティブには、ロックを獲得しようとしてできなかった場合にエラーとなる類似のプリミティブ (たとえば、mutex_trylock()) が用意されています。これを使うと、競合がなければロック階層を守らないという方法でロックを実行できます。競合があるときは、通常は...
mutex_unlock(&ftrace_lock);returnret; }||→staticintftrace_update_code(structmodule *mod,structftrace_page *new_pgs) {structftrace_page *pg;structdyn_ftrace *p; cycle_t start, stop; unsignedlongupdate_cnt =0; unsignedlongref=0;booltest =false;inti;/** When adding a module, we need to...
if(pthread_mutex_trylock(&playing_conn_lock)==0) { pthread_cleanup_push(mutex_unlock,&playing_conn_lock); if(playing_conn==conn) { if(config.output->stop) { debug(3,"Connection %d: Stop the output backend.",conn->connection_number); ...
pthread_mutex_init; pthread_mutex_lock; pthread_mutex_lock_timeout_np; pthread_mutex_setprioceiling; pthread_mutex_timedlock; pthread_mutex_timedlock_monotonic_np; pthread_mutex_trylock; pthread_mutex_unlock; pthread_mutexattr_destroy; pthread_mutexattr_getprotocol; pthread_mutexattr_...
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static intmysql_mutex_v1_native::_lock(mysql_mutex_t*that, const char *, unsigned int) static intmysql_mutex_v1_native::_trylock(mysql_mutex_t*that, const char *, unsigned int) static intmysql_mutex_v1_native::_unlock(mysql_mutex_t*that, const char *, unsigned int) ...