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/**
* @file
*
* @brief Sends a signal Asynchronously directed to a thread
* @ingroup POSIXAPI
*/
/*
* 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.
*/
#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/psignalimpl.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
*/
_POSIX_signals_Add_post_switch_extension();
api = the_thread->API_Extensions[ THREAD_API_POSIX ];
if ( sig ) {
if ( _POSIX_signals_Vectors[ sig ].sa_handler == SIG_IGN ) {
_Objects_Put( &the_thread->Object );
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;
}
_Objects_Put( &the_thread->Object );
return 0;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
break;
}
rtems_set_errno_and_return_minus_one( ESRCH );
}
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