Changes in kernel/generic/src/proc/thread.c [26aafe8:55b77d9] in mainline

File:

• kernel/generic/src/proc/thread.c (modified) (6 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>
@@ -259 +260 @@
          */
         
-        list_append(&thread->rq_link, &cpu->rq[i].rq_head);
+        list_append(&thread->rq_link, &cpu->rq[i].rq);
         cpu->rq[i].n++;
         irq_spinlock_unlock(&(cpu->rq[i].lock), true);
@@ -321 +322 @@
         thread->cpu = NULL;
         thread->flags = flags;
+        thread->nomigrate = 0;
         thread->state = Entering;
         
@@ -421 +423 @@
                 atomic_inc(&task->lifecount);
         
-        list_append(&thread->th_link, &task->th_head);
+        list_append(&thread->th_link, &task->threads);
         
         irq_spinlock_pass(&task->lock, &threads_lock);
@@ -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;
+}
+
 /** @}
  */