kernel: sched: Add sched_suspend()

Introduce a new sched_suspend() function that allows the caller to
suspend themselves (equivalent to a yield) for a specified amount of
time described by a 'timeval'.

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/sys/include/sys/sched.h b/sys/include/sys/sched.h
index 7a859b2..19ceb7e 100644
--- a/sys/include/sys/sched.h
+++ b/sys/include/sys/sched.h
@@ -33,6 +33,7 @@
 #include <sys/proc.h>
 #include <sys/cdefs.h>
 #include <sys/limits.h>
+#include <sys/time.h>
 
 /*
  * Scheduler CPU information
@@ -66,6 +67,7 @@ void sched_stat(struct sched_stat *statp);
 void sched_init(void);
 
 void sched_yield(void);
+void sched_suspend(struct proc *td, const struct timeval *tv);
 void sched_detach(struct proc *td);
 
 __dead void sched_enter(void);