Changeset 7509ddc in mainline for generic/src/syscall/syscall.c

Timestamp:

2006-06-04T21:54:49Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

34dcd3f

Parents:

2cb5e64

Message:

Framework for task_kill().
Some pieces (e.g. implementation of ktask_cleanup() kernel thread and
task_destroy() function) are missing.
Changed locking order for task lock, threads_lock and thread lock from
threads_lock, thread lock, task lock to task lock, threads_lock, thread lock.

File:

• generic/src/syscall/syscall.c (modified) (1 diff)

generic/src/syscall/syscall.c

@@ -91 +91 @@
                          __native a4, __native id)
 {
+        __native rc;
+        ipl_t ipl;
+        bool exit = false;
+
         if (id < SYSCALL_END)
-                return syscall_table[id](a1,a2,a3,a4);
+                rc = syscall_table[id](a1,a2,a3,a4);
         else
                 panic("Undefined syscall %d", id);
+                
+        ipl = interrupts_disable();
+        spinlock_lock(&THREAD->lock);
+        if (THREAD->interrupted)
+                exit = true;
+        spinlock_unlock(&THREAD->lock);
+        interrupts_restore(ipl);
+        
+        if (exit)
+                thread_exit();
+        
+        return rc;
 }