summaryrefslogtreecommitdiffstats
path: root/cpukit/posix/src/alarm.c
diff options
context:
space:
mode:
authorSebastian Huber <sebastian.huber@embedded-brains.de>2013-07-22 13:48:51 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2013-07-22 16:57:26 +0200
commite2005af632d0e38bcb9d47fe8fd7b82379d2e95f (patch)
tree736ed7bfccb94f72f69bc3ee69f17031401b8a68 /cpukit/posix/src/alarm.c
parentscore: Add WATCHDOG_INITIALIZER() (diff)
downloadrtems-e2005af632d0e38bcb9d47fe8fd7b82379d2e95f.tar.bz2
posix: Statically init _POSIX_signals_Alarm_timer
Diffstat (limited to 'cpukit/posix/src/alarm.c')
-rw-r--r--cpukit/posix/src/alarm.c35
1 files changed, 16 insertions, 19 deletions
diff --git a/cpukit/posix/src/alarm.c b/cpukit/posix/src/alarm.c
index 190a7fbd5b..c671b9e161 100644
--- a/cpukit/posix/src/alarm.c
+++ b/cpukit/posix/src/alarm.c
@@ -41,35 +41,32 @@ static void _POSIX_signals_Alarm_TSR(
/* XXX can't print from an ISR, should this be fatal? */
}
+static Watchdog_Control _POSIX_signals_Alarm_timer = WATCHDOG_INITIALIZER(
+ _POSIX_signals_Alarm_TSR,
+ 0,
+ NULL
+);
+
unsigned int alarm(
unsigned int seconds
)
{
unsigned int remaining = 0;
Watchdog_Control *the_timer;
+ Watchdog_States state;
the_timer = &_POSIX_signals_Alarm_timer;
- /*
- * Initialize the timer used to implement alarm().
- */
-
- if ( !the_timer->routine ) {
- _Watchdog_Initialize( the_timer, _POSIX_signals_Alarm_TSR, 0, NULL );
- } else {
- Watchdog_States state;
-
- state = _Watchdog_Remove( the_timer );
- if ( (state == WATCHDOG_ACTIVE) || (state == WATCHDOG_REMOVE_IT) ) {
- /*
- * The stop_time and start_time fields are snapshots of ticks since
- * boot. Since alarm() is dealing in seconds, we must account for
- * this.
- */
+ state = _Watchdog_Remove( the_timer );
+ if ( (state == WATCHDOG_ACTIVE) || (state == WATCHDOG_REMOVE_IT) ) {
+ /*
+ * The stop_time and start_time fields are snapshots of ticks since
+ * boot. Since alarm() is dealing in seconds, we must account for
+ * this.
+ */
- remaining = the_timer->initial -
- ((the_timer->stop_time - the_timer->start_time) / TOD_TICKS_PER_SECOND);
- }
+ remaining = the_timer->initial -
+ ((the_timer->stop_time - the_timer->start_time) / TOD_TICKS_PER_SECOND);
}
if ( seconds )