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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [src/] [psignalunblockthread.c] - Rev 532
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/* * $Id: psignalunblockthread.c,v 1.2 2001-09-27 11:59:17 chris Exp $ */ #include <assert.h> #include <errno.h> #include <pthread.h> #include <signal.h> #include <rtems/system.h> #include <rtems/score/isr.h> #include <rtems/score/thread.h> #include <rtems/score/tqdata.h> #include <rtems/score/wkspace.h> #include <rtems/posix/seterr.h> #include <rtems/posix/threadsup.h> #include <rtems/posix/psignal.h> #include <rtems/posix/pthread.h> #include <rtems/posix/time.h> #include <stdio.h> /*PAGE * * _POSIX_signals_Unblock_thread */ /* XXX this routine could probably be cleaned up */ boolean _POSIX_signals_Unblock_thread( Thread_Control *the_thread, int signo, siginfo_t *info ) { POSIX_API_Control *api; sigset_t mask; siginfo_t *the_info = NULL; api = the_thread->API_Extensions[ THREAD_API_POSIX ]; mask = signo_to_mask( signo ); /* * Is the thread is specifically waiting for a signal? */ if ( _States_Is_interruptible_signal( the_thread->current_state ) ) { if ( (the_thread->Wait.option & mask) || (~api->signals_blocked & mask) ) { the_thread->Wait.return_code = EINTR; the_info = (siginfo_t *) the_thread->Wait.return_argument; if ( !info ) { the_info->si_signo = signo; the_info->si_code = SI_USER; the_info->si_value.sival_int = 0; } else { *the_info = *info; } _Thread_queue_Extract_with_proxy( the_thread ); return TRUE; } /* * This should only be reached via pthread_kill(). */ return FALSE; } if ( ~api->signals_blocked & mask ) { the_thread->do_post_task_switch_extension = TRUE; if ( the_thread->current_state & STATES_INTERRUPTIBLE_BY_SIGNAL ) { the_thread->Wait.return_code = EINTR; if ( _States_Is_waiting_on_thread_queue(the_thread->current_state) ) _Thread_queue_Extract_with_proxy( the_thread ); else if ( _States_Is_delaying(the_thread->current_state)){ if ( _Watchdog_Is_active( &the_thread->Timer ) ) (void) _Watchdog_Remove( &the_thread->Timer ); _Thread_Unblock( the_thread ); } } } return FALSE; }
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