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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-05-17 23:20:52 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-05-17 23:20:52 +0000 |
commit | 0123e3be53e07714c895c78c3145ca088356aa6d (patch) | |
tree | cac6a5949036723003508e1098dd0397f4e51c8d /c/src/exec/rtems/src/signalsend.c | |
parent | Dual-Ported Memory Manager split into one routine per file. (diff) | |
download | rtems-0123e3be53e07714c895c78c3145ca088356aa6d.tar.bz2 |
Split Signal Manager into one routine per file.
Diffstat (limited to '')
-rw-r--r-- | c/src/exec/rtems/src/signalsend.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/c/src/exec/rtems/src/signalsend.c b/c/src/exec/rtems/src/signalsend.c new file mode 100644 index 0000000000..1191f4e7f6 --- /dev/null +++ b/c/src/exec/rtems/src/signalsend.c @@ -0,0 +1,88 @@ +/* + * Signal Manager + * + * + * COPYRIGHT (c) 1989-1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * 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. + * + * $Id$ + */ + +#include <rtems/system.h> +#include <rtems/rtems/status.h> +#include <rtems/rtems/asr.h> +#include <rtems/score/isr.h> +#include <rtems/rtems/modes.h> +#include <rtems/rtems/signal.h> +#include <rtems/score/thread.h> +#include <rtems/rtems/tasks.h> + +/*PAGE + * + * rtems_signal_send + * + * This directive allows a thread to send signals to a thread. + * + * Input parameters: + * id - thread id + * signal_set - signal set + * + * Output parameters: + * RTEMS_SUCCESSFUL - if successful + * error code - if unsuccessful + */ + +rtems_status_code rtems_signal_send( + Objects_Id id, + rtems_signal_set signal_set +) +{ + register Thread_Control *the_thread; + Objects_Locations location; + RTEMS_API_Control *api; + ASR_Information *asr; + + the_thread = _Thread_Get( id, &location ); + switch ( location ) { + + case OBJECTS_REMOTE: +#if defined(RTEMS_MULTIPROCESSING) + return _Signal_MP_Send_request_packet( + SIGNAL_MP_SEND_REQUEST, + id, + signal_set + ); +#endif + + case OBJECTS_ERROR: + return RTEMS_INVALID_ID; + + case OBJECTS_LOCAL: + api = the_thread->API_Extensions[ THREAD_API_RTEMS ]; + asr = &api->Signal; + + if ( ! _ASR_Is_null_handler( asr->handler ) ) { + if ( asr->is_enabled ) { + _ASR_Post_signals( signal_set, &asr->signals_posted ); + + the_thread->do_post_task_switch_extension = TRUE; + + if ( _ISR_Is_in_progress() && _Thread_Is_executing( the_thread ) ) + _ISR_Signals_to_thread_executing = TRUE; + } else { + _ASR_Post_signals( signal_set, &asr->signals_pending ); + } + _Thread_Enable_dispatch(); + return RTEMS_SUCCESSFUL; + } + _Thread_Enable_dispatch(); + return RTEMS_NOT_DEFINED; + } + + return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ +} |