Changeset 566 for trunk/kernel/syscalls/sys_kill.c

Timestamp:

Oct 4, 2018, 11:50:21 PM (6 years ago)

Author:

alain

Message:

Complete restructuration of kernel locks.

File:

• trunk/kernel/syscalls/sys_kill.c (modified) (5 diffs)

trunk/kernel/syscalls/sys_kill.c

@@ -47 +47 @@
     cxy_t       parent_cxy;        // parent process cluster
     process_t * parent_ptr;        // local pointer on parent process
-    xptr_t      children_lock_xp;  // extended pointer on children lock in parent
     thread_t  * parent_main_ptr;   // local pointer on parent main thread
     xptr_t      parent_main_xp;    // extended pointer on parent main thread
@@ -108 +107 @@
 
     // get parent process descriptor pointers
-    parent_xp  = (xptr_t)hal_remote_lwd( XPTR( owner_cxy , &owner_ptr->parent_xp ) );
+    parent_xp  = (xptr_t)hal_remote_l64( XPTR( owner_cxy , &owner_ptr->parent_xp ) );
     parent_cxy = GET_CXY( parent_xp );
     parent_ptr = GET_PTR( parent_xp );
@@ -118 +117 @@
 #endif
 
-    // get extended pointer on lock protecting children list in parent process
-    children_lock_xp = XPTR( parent_cxy , &parent_ptr->children_lock ); 
-
     // get pointers on the parent process main thread
     parent_main_ptr = hal_remote_lpt( XPTR( parent_cxy , &parent_ptr->th_tbl[0] ) ); 
@@ -149 +145 @@
                                   PROCESS_TERM_STOP );
 
-            // take the children lock and unblock the parent process main thread 
-            remote_spinlock_lock( children_lock_xp );
+            // unblock the parent process main thread 
             thread_unblock( parent_main_xp , THREAD_BLOCKED_WAIT );
-            remote_spinlock_unlock( children_lock_xp );
 
             retval = 0;
@@ -188 +182 @@
                                   PROCESS_TERM_KILL );
 
-            // take the children lock and unblock the parent process main thread 
-            remote_spinlock_lock( children_lock_xp );
+            // unblock the parent process main thread 
             thread_unblock( parent_main_xp , THREAD_BLOCKED_WAIT );
-            remote_spinlock_unlock( children_lock_xp );
 
             retval = 0;