diff options
| -rw-r--r-- | src/sleep-until.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/sleep-until.c b/src/sleep-until.c index 176b24d..e06b552 100644 --- a/src/sleep-until.c +++ b/src/sleep-until.c @@ -34,6 +34,7 @@ int main(int argc, char* argv[]) int i, fd = -1, clocks = 0; uint64_t _expirations; int clockid = CLOCK_REALTIME; + const char* clockstr = "CLOCK_REALTIME"; if (argc < 2) return 0; @@ -55,11 +56,11 @@ int main(int argc, char* argv[]) $>cat /usr/include/bits/time.h | grep '^ *# *define *CLOCK_' | grep -Po 'CLOCK_[^[:blank:]]*' | $>while read c; do else if (!strcmp(p1, "${c}")) - clockid = ${c}; + clockid = ${c}, clockstr = "${c}"; $>done else - clockid = -1; - clocks++; + clockid = -1, clockstr = "invalid"; + clocks++; continue; parse_time: @@ -80,7 +81,7 @@ $>done value.it_value.tv_nsec = 0, value.it_value.tv_sec++; } - if (i == 0) + if (i == clocks) largest_value = value; else if (value.it_value.tv_sec > largest_value.it_value.tv_sec) largest_value = value; @@ -98,6 +99,11 @@ $>done if (timerfd_settime(fd, TFD_TIMER_ABSTIME, &largest_value, NULL)) goto fail; + if (clock_gettime(clockid, &(value.it_value)) == 0) + fprintf(stderr, "%s: sleeping until %lli.%09li (current time: %lli.%09li, clock: %s)\n", + argv0, (long long int)(largest_value.it_value.tv_sec), largest_value.it_value.tv_nsec, + (long long int)(value.it_value.tv_sec), value.it_value.tv_nsec, clockstr); + for (;;) { if (clock_gettime(clockid, &(value.it_value))) |