Use pause(2) to suspend timer ticking
See #4 for discussion about waiting for signals, instead of incrementing timecount with zero value.
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17
spt.c
17
spt.c
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@ -24,7 +24,7 @@ typedef struct {
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#include "config.h"
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#include "config.h"
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static int i, timecount, inc;
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static int i, timecount, suspend;
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/* function declarations */
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/* function declarations */
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static void die(const char *errstr, ...);
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static void die(const char *errstr, ...);
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@ -95,7 +95,8 @@ void
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toggle(int sigint) {
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toggle(int sigint) {
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if (signal(SIGUSR2, SIG_IGN) != SIG_IGN)
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if (signal(SIGUSR2, SIG_IGN) != SIG_IGN)
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signal(SIGUSR2, toggle);
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signal(SIGUSR2, toggle);
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inc ^= 1;
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suspend ^= 1;
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}
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}
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void
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void
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@ -107,7 +108,7 @@ usage(void)
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int
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int
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main(int argc, char *argv[])
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main(int argc, char *argv[])
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{
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{
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inc = 1;
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suspend = 0;
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ARGBEGIN {
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ARGBEGIN {
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case 'e':
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case 'e':
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@ -131,8 +132,14 @@ main(int argc, char *argv[])
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for (i = 0; ; i = (i + 1) % LEN(timers)) {
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for (i = 0; ; i = (i + 1) % LEN(timers)) {
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notify_send(timers[i].cmt);
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notify_send(timers[i].cmt);
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for (timecount = 0; timecount < timers[i].tmr; timecount += inc)
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timecount = 0;
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sleep(1);
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while (timecount < timers[i].tmr)
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if (suspend)
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pause();
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else {
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sleep(1);
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timecount++;
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}
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}
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}
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return 0;
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return 0;
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