Changeset 445 for trunk/kernel/syscalls/sys_thread_yield.c

Timestamp:

May 29, 2018, 9:27:23 AM (6 years ago)

Author:

alain

Message:

Restructure the mini_libc.

File:

• trunk/kernel/syscalls/sys_thread_yield.c (modified) (1 diff)

trunk/kernel/syscalls/sys_thread_yield.c

@@ -22 +22 @@
  */
 
+#include <hal_types.h>
+#include <hal_special.h>
 #include <scheduler.h>
+#include <thread.h>
 
 int sys_thread_yield()
 {
+ 
+#if DEBUG_SYS_THREAD_YIELD
+uint64_t     tm_start;
+uint64_t     tm_end;
+tm_start = hal_get_cycles();
+if( DEBUG_SYS_THREAD_YIELD < tm_start )
+printk("\n[DBG] %s : thread %x deschedule / process %x / cycle %d\n",
+__FUNCTION__, CURRENT_THREAD->trdid, CURRENT_THREAD->process->pid, (uint32_t)tm_start );
+#endif
+
+    // deschedule
         sched_yield("user request"); 
+
+#if DEBUG_SYS_THREAD_YIELD
+tm_end = hal_get_cycles();
+if( DEBUG_SYS_THREAD_YIELD < tm_start )
+printk("\n[DBG] %s : thread %x resume / process %x / cycle %d\n",
+__FUNCTION__, CURRENT_THREAD->trdid, CURRENT_THREAD->process->pid, (uint32_t)tm_end );
+#endif
+
         return 0;
 }