xref: /minix3/minix/lib/libc/sys/clock_gettime.c (revision 433d6423c39e34ec4b79c950597bb2d236f886be)
1*433d6423SLionel Sambuc #include <sys/cdefs.h>
2*433d6423SLionel Sambuc #include <lib.h>
3*433d6423SLionel Sambuc #include "namespace.h"
4*433d6423SLionel Sambuc 
5*433d6423SLionel Sambuc #include <string.h>
6*433d6423SLionel Sambuc #include <sys/time.h>
7*433d6423SLionel Sambuc 
8*433d6423SLionel Sambuc #ifdef __weak_alias
9*433d6423SLionel Sambuc __weak_alias(clock_gettime, __clock_gettime50);
10*433d6423SLionel Sambuc #endif
11*433d6423SLionel Sambuc 
clock_gettime(clockid_t clock_id,struct timespec * res)12*433d6423SLionel Sambuc int clock_gettime(clockid_t clock_id, struct timespec *res)
13*433d6423SLionel Sambuc {
14*433d6423SLionel Sambuc   message m;
15*433d6423SLionel Sambuc 
16*433d6423SLionel Sambuc   memset(&m, 0, sizeof(m));
17*433d6423SLionel Sambuc   m.m_lc_pm_time.clk_id = clock_id;
18*433d6423SLionel Sambuc 
19*433d6423SLionel Sambuc   if (_syscall(PM_PROC_NR, PM_CLOCK_GETTIME, &m) < 0)
20*433d6423SLionel Sambuc   	return -1;
21*433d6423SLionel Sambuc 
22*433d6423SLionel Sambuc   res->tv_sec = m.m_pm_lc_time.sec;
23*433d6423SLionel Sambuc   res->tv_nsec = m.m_pm_lc_time.nsec;
24*433d6423SLionel Sambuc 
25*433d6423SLionel Sambuc   return 0;
26*433d6423SLionel Sambuc }
27*433d6423SLionel Sambuc 
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