Changes in kernel/generic/src/proc/thread.c [26aafe8:43ac0cc] in mainline

File:

• kernel/generic/src/proc/thread.c (modified) (4 diffs)

kernel/generic/src/proc/thread.c

@@ -55 +55 @@
 #include <time/clock.h>
 #include <time/timeout.h>
+#include <time/delay.h>
 #include <config.h>
 #include <arch/interrupt.h>
@@ -321 +322 @@
         thread->cpu = NULL;
         thread->flags = flags;
+        thread->nomigrate = 0;
         thread->state = Entering;
         
@@ -481 +483 @@
         /* Not reached */
         while (true);
+}
+
+/** Prevent the current thread from being migrated to another processor. */
+void thread_migration_disable(void)
+{
+        ASSERT(THREAD);
+
+        THREAD->nomigrate++;
+}
+
+/** Allow the current thread to be migrated to another processor. */
+void thread_migration_enable(void)
+{
+        ASSERT(THREAD);
+        ASSERT(THREAD->nomigrate > 0);
+
+        THREAD->nomigrate--;
 }
 
@@ -912 +931 @@
 }
 
+sysarg_t sys_thread_udelay(uint32_t usec)
+{
+        delay(usec);
+        return 0;
+}
+
 /** @}
  */