From 07d880f4bccd3d5f26fb729ca3fca5f6bed081d3 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Sun, 31 Jan 1999 20:45:31 +0000 Subject: Split psignal.c into many more files. This reduced the amount of object code that has to be loaded just for initializing the signal manager. --- cpukit/posix/src/alarm.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 cpukit/posix/src/alarm.c (limited to 'cpukit/posix/src/alarm.c') diff --git a/cpukit/posix/src/alarm.c b/cpukit/posix/src/alarm.c new file mode 100644 index 0000000000..a17fd04f4e --- /dev/null +++ b/cpukit/posix/src/alarm.c @@ -0,0 +1,48 @@ +/* + * 3.4.1 Schedule Alarm, P1003.1b-1993, p. 79 + * + * 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 + +unsigned int alarm( + unsigned int seconds +) +{ + unsigned int remaining = 0; + Watchdog_Control *the_timer; + + the_timer = &_POSIX_signals_Alarm_timer; + + switch ( _Watchdog_Remove( the_timer ) ) { + case WATCHDOG_INACTIVE: + case WATCHDOG_BEING_INSERTED: + break; + + case WATCHDOG_ACTIVE: + case WATCHDOG_REMOVE_IT: + remaining = the_timer->initial - + (the_timer->stop_time - the_timer->start_time); + break; + } + + _Watchdog_Insert_seconds( the_timer, seconds ); + + return remaining; +} + -- cgit v1.2.3