diff options
Diffstat (limited to 'cpukit/posix/src/pthreadkill.c')
-rw-r--r-- | cpukit/posix/src/pthreadkill.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/cpukit/posix/src/pthreadkill.c b/cpukit/posix/src/pthreadkill.c new file mode 100644 index 0000000000..777ee6ad0c --- /dev/null +++ b/cpukit/posix/src/pthreadkill.c @@ -0,0 +1,80 @@ +/* + * 3.3.10 Send a Signal to a Thread, P1003.1c/D10, p. 43 + * + * COPYRIGHT (c) 1989-2007. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <pthread.h> +#include <signal.h> +#include <errno.h> + +#include <rtems/system.h> +#include <rtems/posix/pthread.h> +#include <rtems/posix/psignal.h> +#include <rtems/score/isr.h> +#include <rtems/seterr.h> + +int pthread_kill( + pthread_t thread, + int sig +) +{ + POSIX_API_Control *api; + Thread_Control *the_thread; + Objects_Locations location; + + if ( !sig ) + rtems_set_errno_and_return_minus_one( EINVAL ); + + if ( !is_valid_signo(sig) ) + rtems_set_errno_and_return_minus_one( EINVAL ); + + the_thread = _Thread_Get( thread, &location ); + switch ( location ) { + + case OBJECTS_LOCAL: + /* + * If sig == 0 then just validate arguments + */ + + api = the_thread->API_Extensions[ THREAD_API_POSIX ]; + + if ( sig ) { + + if ( _POSIX_signals_Vectors[ sig ].sa_handler == SIG_IGN ) { + _Thread_Enable_dispatch(); + return 0; + } + + /* XXX critical section */ + + api->signals_pending |= signo_to_mask( sig ); + + (void) _POSIX_signals_Unblock_thread( the_thread, sig, NULL ); + + if ( _ISR_Is_in_progress() && _Thread_Is_executing( the_thread ) ) + _Thread_Dispatch_necessary = true; + } + _Thread_Enable_dispatch(); + return 0; + +#if defined(RTEMS_MULTIPROCESSING) + case OBJECTS_REMOTE: +#endif + case OBJECTS_ERROR: + break; + } + + rtems_set_errno_and_return_minus_one( ESRCH ); +} |