minix3/lib/libsys/sys_times.c

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2020-02-21 00:59:27 +05:30
#include "syslib.h"
int sys_times(proc_ep, user_time, sys_time, uptime, boottime)
endpoint_t proc_ep; /* proc_ep whose times are needed */
clock_t *user_time; /* time spend in the process itself */
clock_t *sys_time; /* time spend in system on behalf of the
* process
*/
clock_t *uptime; /* time the system is running */
time_t *boottime; /* boot time */
{
/* Fetch the accounting info for a proc_ep. */
message m;
int r;
m.m_lsys_krn_sys_times.endpt = proc_ep;
r = _kernel_call(SYS_TIMES, &m);
if (user_time) *user_time = m.m_krn_lsys_sys_times.user_time;
if (sys_time) *sys_time = m.m_krn_lsys_sys_times.system_time;
if (uptime) *uptime = m.m_krn_lsys_sys_times.boot_ticks;
if (boottime) *boottime = m.m_krn_lsys_sys_times.boot_time;
return(r);
}