npe: add clock_gettime

zamfofex committed 2 years ago

Commit 720ba971 parent 85aac113 files · +36 −0Browse files

Unified · Split

3 files

@@ -4,6 +4,7 @@ · 3 unmodified lines
4	4	#include <npe.h>
5	5
6	6	typedef long time_t;
	7	+typedef int clockid_t;
7	8
8	9	struct tm {
9	10	int tm_sec;
@@ -18,6 +19,16 @@ struct tm { · 8 unmodified lines
18	19	char *tm_zone;
19	20	};
20	21
	22	+struct timespec {
	23	+ time_t tv_sec;
	24	+ long tv_nsec;
	25	+};
	26	+
	27	+enum {
	28	+ CLOCK_REALTIME,
	29	+ CLOCK_MONOTONIC,
	30	+};
	31	+
21	32	#include <sys/time.h>
22	33
23	34	#define localtime npe_localtime
@@ -26,5 +37,6 @@ struct tm npe_localtime(time_t timep); · 2 unmodified lines
26	37	struct tm npe_gmtime(time_t timep);
27	38	size_t strftime(char s, size_t max, const char format, const struct tm *tm);
28	39	time_t mktime(struct tm *tm);
	40	+int clock_gettime(clockid_t clockid, struct timespec *tp);
29	41
30	42	#endif

@@ -0,0 +1,23 @@
	1	+#include <errno.h>
	2	+#include <time.h>
	3	+#include "_npe.h"
	4	+
	5	+int
	6	+clock_gettime(clockid_t clockid, struct timespec *tp)
	7	+{
	8	+ uvlong t;
	9	+
	10	+ if(clockid == CLOCK_REALTIME)
	11	+ t = nsec();
	12	+ else if(clockid == CLOCK_MONOTONIC)
	13	+ t = npe_nanosec();
	14	+ else{
	15	+ errno = EINVAL;
	16	+ return -1;
	17	+ }
	18	+
	19	+ tp->tv_nsec = t % 1000000000;
	20	+ tp->tv_sec = t / 1000000000;
	21	+
	22	+ return 0;
	23	+}

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