minix/lib/syslib/sys_syncalrm.c
2005-04-21 14:53:53 +00:00

22 lines
921 B
C

#include "syslib.h"
/*===========================================================================*
* sys_syncalrm *
*===========================================================================*/
PUBLIC int sys_syncalrm(proc_nr, exp_time, abs_time)
int proc_nr; /* process to send SYN_ALARM message to */
clock_t exp_time; /* expiration time for the alarm */
int abs_time; /* use absolute or relative expiration time */
{
/* Ask the SYSTEM schedule a synchronous alarm for the caller. The process
* number can be SELF if the caller doesn't know its process number.
*/
message m;
m.m_type= SYS_SYNCALRM; /* the alarm type requested */
m.ALRM_PROC_NR = proc_nr; /* receiving process */
m.ALRM_EXP_TIME = exp_time; /* the expiration time */
m.ALRM_ABS_TIME = abs_time; /* time is absolute? */
return _taskcall(SYSTASK, SYS_SYNCALRM, &m);
}