From 0123e3be53e07714c895c78c3145ca088356aa6d Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Mon, 17 May 1999 23:20:52 +0000 Subject: Split Signal Manager into one routine per file. --- cpukit/rtems/src/signalcatch.c | 66 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 cpukit/rtems/src/signalcatch.c (limited to 'cpukit/rtems/src/signalcatch.c') diff --git a/cpukit/rtems/src/signalcatch.c b/cpukit/rtems/src/signalcatch.c new file mode 100644 index 0000000000..ee2327187a --- /dev/null +++ b/cpukit/rtems/src/signalcatch.c @@ -0,0 +1,66 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include +#include + +/*PAGE + * + * rtems_signal_catch + * + * This directive allows a thread to specify what action to take when + * catching signals. + * + * Input parameters: + * handler - address of asynchronous signal routine (asr) + * ( NULL indicates asr is invalid ) + * mode_set - mode value for asr + * + * Output parameters: + * RTEMS_SUCCESSFUL - always succeeds + */ + +rtems_status_code rtems_signal_catch( + rtems_asr_entry asr_handler, + rtems_mode mode_set +) +{ + Thread_Control *executing; + RTEMS_API_Control *api; + ASR_Information *asr; + +/* XXX normalize mode */ + executing = _Thread_Executing; + api = executing->API_Extensions[ THREAD_API_RTEMS ]; + asr = &api->Signal; + + _Thread_Disable_dispatch(); /* cannot reschedule while */ + /* the thread is inconsistent */ + + if ( !_ASR_Is_null_handler( asr_handler ) ) { + asr->mode_set = mode_set; + asr->handler = asr_handler; + } + else + _ASR_Initialize( asr ); + _Thread_Enable_dispatch(); + return RTEMS_SUCCESSFUL; +} -- cgit v1.2.3