/* Licensed under BSD-MIT - see LICENSE file for details */
#include <ccan/time/time.h>
#include <stdlib.h>
-#include <assert.h>
+#include <stdio.h>
-#if !HAVE_CLOCK_GETTIME && !HAVE_CLOCK_GETTIME_IN_LIBRT
+#if !HAVE_CLOCK_GETTIME
#include <sys/time.h>
-struct timespec time_now(void)
+struct timeabs time_now(void)
{
struct timeval now;
- struct timespec ret;
+ struct timeabs ret;
gettimeofday(&now, NULL);
- ret.tv_sec = now.tv_sec;
- ret.tv_nsec = now.tv_usec * 1000;
- return ret;
+ ret.ts.tv_sec = now.tv_sec;
+ ret.ts.tv_nsec = now.tv_usec * 1000;
+ return TIMEABS_CHECK(ret);
}
#else
#include <time.h>
-struct timespec time_now(void)
-{
- struct timespec ret;
- clock_gettime(CLOCK_REALTIME, &ret);
- return ret;
-}
-#endif /* HAVE_CLOCK_GETTIME || HAVE_CLOCK_GETTIME_IN_LIBRT */
-
-bool time_greater(struct timespec a, struct timespec b)
+struct timeabs time_now(void)
{
- if (a.tv_sec > b.tv_sec)
- return true;
- else if (a.tv_sec < b.tv_sec)
- return false;
-
- return a.tv_nsec > b.tv_nsec;
-}
-
-bool time_less(struct timespec a, struct timespec b)
-{
- if (a.tv_sec < b.tv_sec)
- return true;
- else if (a.tv_sec > b.tv_sec)
- return false;
-
- return a.tv_nsec < b.tv_nsec;
+ struct timeabs ret;
+ clock_gettime(CLOCK_REALTIME, &ret.ts);
+ return TIMEABS_CHECK(ret);
}
+#endif /* HAVE_CLOCK_GETTIME */
-bool time_eq(struct timespec a, struct timespec b)
+struct timemono time_mono(void)
{
- return a.tv_sec == b.tv_sec && a.tv_nsec == b.tv_nsec;
+ struct timemono ret;
+#if TIME_HAVE_MONOTONIC
+ clock_gettime(CLOCK_MONOTONIC, &ret.ts);
+#else /* Best we can do */
+ ret.ts = time_now().ts;
+#endif /* !HAVE_TIME_MONOTONIC */
+ return TIMEMONO_CHECK(ret);
}
-struct timespec time_sub(struct timespec recent, struct timespec old)
+struct timerel time_divide(struct timerel t, unsigned long div)
{
- struct timespec diff;
-
- diff.tv_sec = recent.tv_sec - old.tv_sec;
- if (old.tv_nsec > recent.tv_nsec) {
- diff.tv_sec--;
- diff.tv_nsec = 1000000000 + recent.tv_nsec - old.tv_nsec;
- } else
- diff.tv_nsec = recent.tv_nsec - old.tv_nsec;
-
- assert(diff.tv_sec >= 0);
- return diff;
-}
-
-struct timespec time_add(struct timespec a, struct timespec b)
-{
- struct timespec sum;
-
- sum.tv_sec = a.tv_sec + b.tv_sec;
- sum.tv_nsec = a.tv_nsec + b.tv_nsec;
- if (sum.tv_nsec >= 1000000000) {
- sum.tv_sec++;
- sum.tv_nsec -= 1000000000;
- }
- return sum;
-}
-
-struct timespec time_divide(struct timespec t, unsigned long div)
-{
- struct timespec res;
+ struct timerel res;
uint64_t rem, ns;
/* Dividing seconds is simple. */
- res.tv_sec = t.tv_sec / div;
- rem = t.tv_sec % div;
+ res.ts.tv_sec = TIMEREL_CHECK(t).ts.tv_sec / div;
+ rem = t.ts.tv_sec % div;
/* If we can't fit remainder * 1,000,000,000 in 64 bits? */
#if 0 /* ilog is great, but we use fp for multiply anyway. */
#endif
if (rem & ~(((uint64_t)1 << 30) - 1)) {
/* FIXME: fp is cheating! */
- double nsec = rem * 1000000000.0 + t.tv_nsec;
- res.tv_nsec = nsec / div;
+ double nsec = rem * 1000000000.0 + t.ts.tv_nsec;
+ res.ts.tv_nsec = nsec / div;
} else {
- ns = rem * 1000000000 + t.tv_nsec;
- res.tv_nsec = ns / div;
+ ns = rem * 1000000000 + t.ts.tv_nsec;
+ res.ts.tv_nsec = ns / div;
}
- return res;
+ return TIMEREL_CHECK(res);
}
-struct timespec time_multiply(struct timespec t, unsigned long mult)
+struct timerel time_multiply(struct timerel t, unsigned long mult)
{
- struct timespec res;
+ struct timerel res;
/* Are we going to overflow if we multiply nsec? */
if (mult & ~((1UL << 30) - 1)) {
/* FIXME: fp is cheating! */
- double nsec = (double)t.tv_nsec * mult;
+ double nsec = (double)t.ts.tv_nsec * mult;
- res.tv_sec = nsec / 1000000000.0;
- res.tv_nsec = nsec - (res.tv_sec * 1000000000.0);
+ res.ts.tv_sec = nsec / 1000000000.0;
+ res.ts.tv_nsec = nsec - (res.ts.tv_sec * 1000000000.0);
} else {
- uint64_t nsec = t.tv_nsec * mult;
+ uint64_t nsec = t.ts.tv_nsec * mult;
- res.tv_nsec = nsec % 1000000000;
- res.tv_sec = nsec / 1000000000;
+ res.ts.tv_nsec = nsec % 1000000000;
+ res.ts.tv_sec = nsec / 1000000000;
}
- res.tv_sec += t.tv_sec * mult;
- return res;
-}
-
-uint64_t time_to_msec(struct timespec t)
-{
- uint64_t msec;
-
- msec = t.tv_nsec / 1000000 + (uint64_t)t.tv_sec * 1000;
- return msec;
-}
-
-uint64_t time_to_usec(struct timespec t)
-{
- uint64_t usec;
-
- usec = t.tv_nsec / 1000 + (uint64_t)t.tv_sec * 1000000;
- return usec;
+ res.ts.tv_sec += TIMEREL_CHECK(t).ts.tv_sec * mult;
+ return TIMEREL_CHECK(res);
}
-uint64_t time_to_nsec(struct timespec t)
+struct timespec time_check_(struct timespec t, const char *abortstr)
{
- uint64_t nsec;
-
- nsec = t.tv_nsec + (uint64_t)t.tv_sec * 1000000000;
- return nsec;
+ if (t.tv_sec < 0 || t.tv_nsec >= 1000000000) {
+ if (abortstr) {
+ fprintf(stderr, "%s: malformed time %li.%09li\n",
+ abortstr,
+ (long)t.tv_sec, (long)t.tv_nsec);
+ abort();
+ } else {
+ struct timespec old = t;
+
+ if (t.tv_nsec >= 1000000000) {
+ t.tv_sec += t.tv_nsec / 1000000000;
+ t.tv_nsec %= 1000000000;
+ }
+ if (t.tv_sec < 0)
+ t.tv_sec = 0;
+
+ fprintf(stderr, "WARNING: malformed time"
+ " %li seconds %li ns converted to %li.%09li.\n",
+ (long)old.tv_sec, (long)old.tv_nsec,
+ (long)t.tv_sec, (long)t.tv_nsec);
+ }
+ }
+ return t;
}
-struct timespec time_from_msec(uint64_t msec)
+struct timerel timerel_check(struct timerel t, const char *abortstr)
{
- struct timespec t;
+ struct timerel ret;
- t.tv_nsec = (msec % 1000) * 1000000;
- t.tv_sec = msec / 1000;
- return t;
+ ret.ts = time_check_(t.ts, abortstr);
+ return ret;
}
-struct timespec time_from_usec(uint64_t usec)
+struct timeabs timeabs_check(struct timeabs t, const char *abortstr)
{
- struct timespec t;
+ struct timeabs ret;
- t.tv_nsec = (usec % 1000000) * 1000;
- t.tv_sec = usec / 1000000;
- return t;
+ ret.ts = time_check_(t.ts, abortstr);
+ return ret;
}
-struct timespec time_from_nsec(uint64_t nsec)
+struct timemono timemono_check(struct timemono t, const char *abortstr)
{
- struct timespec t;
+ struct timemono ret;
- t.tv_nsec = nsec % 1000000000;
- t.tv_sec = nsec / 1000000000;
- return t;
+ ret.ts = time_check_(t.ts, abortstr);
+ return ret;
}
projects / ccan / blobdiff