X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fkernel%2Fao_task.h;h=0e353fe83a9998fcebffd52e0eb207d8c9002814;hb=e6bad553009704af69b08b4a22fb5eb8ac6921f8;hp=9c56b48021d6dd4ebe83c69f44aa04c5ade023c3;hpb=24167015705ae831692b95735968b04a876f935e;p=fw%2Faltos

diff --git a/src/kernel/ao_task.h b/src/kernel/ao_task.h
index 9c56b480..0e353fe8 100644
--- a/src/kernel/ao_task.h
+++ b/src/kernel/ao_task.h
@@ -56,6 +56,10 @@ extern __data uint8_t ao_num_tasks;
 extern __xdata struct ao_task *__data ao_cur_task;
 extern __data uint8_t ao_task_minimize_latency;	/* Reduce IRQ latency */
 
+#ifndef HAS_ARCH_VALIDATE_CUR_STACK
+#define ao_validate_cur_stack()
+#endif
+
 /*
  ao_task.c
  */
@@ -68,10 +72,19 @@ extern __data uint8_t ao_task_minimize_latency;	/* Reduce IRQ latency */
 uint8_t
 ao_sleep(__xdata void *wchan);
 
+/* Suspend the current task until wchan is awoken or the timeout
+ * expires. returns:
+ *  0 on normal wake
+ *  1 on alarm
+ */
+uint8_t
+ao_sleep_for(__xdata void *wchan, uint16_t timeout);
+
 /* Wake all tasks sleeping on wchan */
 void
 ao_wakeup(__xdata void *wchan) __reentrant;
 
+#if 0
 /* set an alarm to go off in 'delay' ticks */
 void
 ao_alarm(uint16_t delay);
@@ -79,6 +92,7 @@ ao_alarm(uint16_t delay);
 /* Clear any pending alarm */
 void
 ao_clear_alarm(void);
+#endif
 
 /* Yield the processor to another task */
 void