git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@484 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 14 insertions, 1 deletions

diff --git a/src/chthreads.c b/src/chthreads.c
index 11d2442ad..3f55c4de5 100644
--- a/src/chthreads.c
+++ b/src/chthreads.c
@@ -289,7 +289,7 @@ void chThdTerminate(Thread *tp) {
 
 /**
  * Suspends the invoking thread for the specified time.
- * @param time the system ticks number
+ * @param time the delay in system ticks
  */
 void chThdSleep(systime_t time) {
 
@@ -299,6 +299,19 @@ void chThdSleep(systime_t time) {
 }
 
 /**
+ * Suspends the invoking thread until the system time arrives to the specified
+ * value.
+ * @param time the absolute system time
+ */
+void chThdSleepUntil(systime_t time) {
+
+  chSysLock();
+  if ((time -= chSysGetTime()) > 0)
+    chSchGoSleepTimeoutS(PRSLEEP, time);
+  chSysUnlock();
+}
+
+/**
  * Terminates the current thread by specifying an exit status code.
  *
  * @param msg the thread exit code. The code can be retrieved by using