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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [src/] [pthreadkill.c] - Rev 593
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/* * 3.3.10 Send a Signal to a Thread, P1003.1c/D10, p. 43 * * COPYRIGHT (c) 1989-1999. * 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.OARcorp.com/rtems/license.html. * * $Id: pthreadkill.c,v 1.2 2001-09-27 11:59:17 chris Exp $ */ #include <pthread.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/posix/seterr.h> int pthread_kill( pthread_t thread, int sig ) { POSIX_API_Control *api; Thread_Control *the_thread; Objects_Locations location; if ( sig && !is_valid_signo(sig) ) set_errno_and_return_minus_one( EINVAL ); /* commented out when posix timers added if ( _POSIX_signals_Vectors[ sig ].sa_flags == SA_SIGINFO ) set_errno_and_return_minus_one( ENOSYS ); */ the_thread = _POSIX_Threads_Get( thread, &location ); switch ( location ) { case OBJECTS_ERROR: case OBJECTS_REMOTE: set_errno_and_return_minus_one( ESRCH ); 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 ); the_thread->do_post_task_switch_extension = TRUE; if ( _ISR_Is_in_progress() && _Thread_Is_executing( the_thread ) ) _ISR_Signals_to_thread_executing = TRUE; } _Thread_Enable_dispatch(); return 0; } return POSIX_BOTTOM_REACHED(); }
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