xref: /minix3/minix/lib/libc/sys/getitimer.c (revision 433d6423c39e34ec4b79c950597bb2d236f886be)
1*433d6423SLionel Sambuc #include <sys/cdefs.h>
2*433d6423SLionel Sambuc #include "namespace.h"
3*433d6423SLionel Sambuc #include <lib.h>
4*433d6423SLionel Sambuc 
5*433d6423SLionel Sambuc #include <string.h>
6*433d6423SLionel Sambuc #include <sys/time.h>
7*433d6423SLionel Sambuc 
8*433d6423SLionel Sambuc /*
9*433d6423SLionel Sambuc  * This is the implementation for the function to
10*433d6423SLionel Sambuc  * invoke the interval timer retrieval system call.
11*433d6423SLionel Sambuc  */
getitimer(int which,struct itimerval * value)12*433d6423SLionel Sambuc int getitimer(int which, struct itimerval *value)
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_itimer.which = which;
18*433d6423SLionel Sambuc   m.m_lc_pm_itimer.value = 0;		/* only retrieve the timer */
19*433d6423SLionel Sambuc   m.m_lc_pm_itimer.ovalue = (vir_bytes)value;
20*433d6423SLionel Sambuc 
21*433d6423SLionel Sambuc   return _syscall(PM_PROC_NR, PM_ITIMER, &m);
22*433d6423SLionel Sambuc }
23*433d6423SLionel Sambuc 
24*433d6423SLionel Sambuc #if defined(__minix) && defined(__weak_alias)
25*433d6423SLionel Sambuc __weak_alias(getitimer, __getitimer50)
26*433d6423SLionel Sambuc #endif
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