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support timers if gettimeofday and struct timeval exist

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This commit is contained in:
matthias.ringwald 2010-07-04 13:59:28 +00:00
parent 0453d688d1
commit 2a9745927e
1 changed files with 4 additions and 23 deletions
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27
src/run_loop_embedded.c
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@ -44,6 +44,8 @@
#include "run_loop_private.h"
// #define HAVE_TIME
// the run loop
static linked_list_t data_sources;
static linked_list_t timers;
@ -102,7 +104,7 @@ void embedded_dump_timer(){
*/
void embedded_execute() {
data_source_t *ds;
#ifdef TIMERS
#ifdef HAVE_TIME
timer_source_t *ts;
struct timeval current_tv;
struct timeval next_tv;
@ -111,27 +113,6 @@ void embedded_execute() {
while (1) {
#ifdef TIMERS
// get next timeout
// pre: 0 <= tv_usec < 1000000
timeout = NULL;
if (timers) {
gettimeofday(&current_tv, NULL);
ts = (timer_source_t *) timers;
next_tv.tv_usec = ts->timeout.tv_usec - current_tv.tv_usec;
next_tv.tv_sec = ts->timeout.tv_sec - current_tv.tv_sec;
while (next_tv.tv_usec < 0){
next_tv.tv_usec += 1000000;
next_tv.tv_sec--;
}
if (next_tv.tv_sec < 0 || (next_tv.tv_sec == 0 && next_tv.tv_usec < 0)){
next_tv.tv_sec = 0;
next_tv.tv_usec = 0;
}
timeout = &next_tv;
}
#endif
// process data sources
data_source_t *next;
for (ds = (data_source_t *) data_sources; ds != NULL ; ds = next){
@ -139,7 +120,7 @@ void embedded_execute() {
ds->process(ds);
}
#if TIMERS
#ifdef HAVE_TIME
// process timers
// pre: 0 <= tv_usec < 1000000
while (timers) {