Initial revision

lib/syslib/sys_syncalrm.c

@@ -0,0 +1,22 @@
+#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);
+}
+