forked from enlightenment/efl
efl thread signal masks - fix up for various threads manually created
so xine module plus 2 eina dbug threads didnt set up signal blocking/masks correctly. xine use ssigprocmask not pthread_sigmask and the other 2 didnt even bother at all. fix this so these threads all block most of these commnly caught signals so these threads never get them
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0d845ce3aa
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@ -8,6 +8,7 @@
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#include <errno.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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@ -294,12 +295,32 @@ Eina_Bool
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_eina_debug_cpu_init(void)
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{
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// if it's already running - we're good.
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#ifndef _WIN32
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if (!_sysmon_thread_runs)
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{
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int err;
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sigset_t oldset, newset;
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eina_lock_new(&_sysmon_lock);
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eina_lock_take(&_sysmon_lock);
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sigemptyset(&newset);
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sigaddset(&newset, SIGPIPE);
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sigaddset(&newset, SIGALRM);
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sigaddset(&newset, SIGCHLD);
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sigaddset(&newset, SIGUSR1);
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sigaddset(&newset, SIGUSR2);
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sigaddset(&newset, SIGHUP);
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sigaddset(&newset, SIGQUIT);
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sigaddset(&newset, SIGINT);
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sigaddset(&newset, SIGTERM);
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#ifdef SIGPWR
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sigaddset(&newset, SIGPWR);
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#endif
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pthread_sigmask(SIG_BLOCK, &newset, &oldset);
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err = pthread_create(&_sysmon_thread, NULL, _sysmon, NULL);
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pthread_sigmask(SIG_SETMASK, &oldset, NULL);
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if (err != 0)
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{
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e_debug("EINA DEBUG ERROR: Can't create debug sysmon thread!");
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@ -308,6 +329,7 @@ _eina_debug_cpu_init(void)
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_sysmon_thread_runs = EINA_TRUE;
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}
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eina_debug_opcodes_register(NULL, _OPS(), NULL, NULL);
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#endif
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return EINA_TRUE;
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}
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@ -160,7 +160,28 @@ eina_debug_timer_add(unsigned int timeout_ms, Eina_Debug_Timer_Cb cb, void *data
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_timer_append(t);
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if (!_thread_runs)
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{
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#ifndef _WIN32
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sigset_t oldset, newset;
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sigemptyset(&newset);
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sigaddset(&newset, SIGPIPE);
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sigaddset(&newset, SIGALRM);
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sigaddset(&newset, SIGCHLD);
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sigaddset(&newset, SIGUSR1);
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sigaddset(&newset, SIGUSR2);
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sigaddset(&newset, SIGHUP);
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sigaddset(&newset, SIGQUIT);
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sigaddset(&newset, SIGINT);
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sigaddset(&newset, SIGTERM);
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# ifdef SIGPWR
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sigaddset(&newset, SIGPWR);
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# endif
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pthread_sigmask(SIG_BLOCK, &newset, &oldset);
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#endif
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int err = pthread_create(&_thread, NULL, _monitor, NULL);
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#ifndef _WIN32
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pthread_sigmask(SIG_SETMASK, &oldset, NULL);
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#endif
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if (err != 0)
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{
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e_debug("EINA DEBUG ERROR: Can't create debug timer thread!");
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@ -382,10 +382,10 @@ em_add(const Emotion_Engine *api EINA_UNUSED,
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#ifdef SIGPWR
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sigaddset(&newset, SIGPWR);
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#endif
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sigprocmask(SIG_BLOCK, &newset, &oldset);
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pthread_sigmask(SIG_BLOCK, &newset, &oldset);
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pthread_create(&ev->get_pos_len_th, NULL, _em_get_pos_len_th, ev);
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pthread_create(&ev->slave_th, NULL, _em_slave, ev);
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sigprocmask(SIG_SETMASK, &oldset, NULL);
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pthread_sigmask(SIG_SETMASK, &oldset, NULL);
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pthread_detach(ev->slave_th);
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_em_slave_event(ev, 1, NULL);
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