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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-02 17:36:20 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-02 17:36:20 +0000 |
commit | ee979cdd95acb1a2bfa8b02f67d5386d3c8af5e3 (patch) | |
tree | 56f962a98a305c62c05ddace93be94aa17a3319c /cpukit/posix/src/psignalunblockthread.c | |
parent | Split mutex.c into multiple files. (diff) | |
download | rtems-ee979cdd95acb1a2bfa8b02f67d5386d3c8af5e3.tar.bz2 |
Split some more stuff out of psignal.c.
Diffstat (limited to 'cpukit/posix/src/psignalunblockthread.c')
-rw-r--r-- | cpukit/posix/src/psignalunblockthread.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/cpukit/posix/src/psignalunblockthread.c b/cpukit/posix/src/psignalunblockthread.c new file mode 100644 index 0000000000..916ed4724e --- /dev/null +++ b/cpukit/posix/src/psignalunblockthread.c @@ -0,0 +1,89 @@ +/* + * $Id$ + */ + +#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; + +} |