Changeset 445 for trunk/kernel/kern/process.c

Timestamp:

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

Author:

alain

Message:

Restructure the mini_libc.

File:

• trunk/kernel/kern/process.c (modified) (3 diffs)

trunk/kernel/kern/process.c

@@ -401 +401 @@
 uint32_t cycle = (uint32_t)hal_get_cycles();
 if( DEBUG_PROCESS_DESTROY )
-printk("\n[DBG] %s : thread %x enter in cluster %x / pid %x / process %x / cycle %d\n",
-__FUNCTION__ , CURRENT_THREAD , pid , process , cycle );
+printk("\n[DBG] %s : thread %x enter for process %x in cluster %x / cycle %d\n",
+__FUNCTION__ , CURRENT_THREAD , pid , local_cxy , cycle );
 #endif
 
@@ -447 +447 @@
 cycle = (uint32_t)hal_get_cycles();
 if( DEBUG_PROCESS_DESTROY )
-printk("\n[DBG] %s : thread %x exit / destroyed process %x (pid = %x) / cycle %d\n",
-__FUNCTION__ , CURRENT_THREAD , process, pid, cycle );
+printk("\n[DBG] %s : thread %x exit / destroyed process %x in cluster %x / cycle %d\n",
+__FUNCTION__ , CURRENT_THREAD , pid, local_cxy, cycle );
 #endif
 
@@ -1379 +1379 @@
     process_txt_detach( XPTR( local_cxy , old_process ) );
 
-    // request old_thread destruction => old_process destruction
+    // block this old_thread 
     thread_block( XPTR( local_cxy , old_thread ) , THREAD_BLOCKED_GLOBAL );
-    hal_atomic_or( &old_thread->flags , THREAD_FLAG_REQ_DELETE );
+
+    // atomically update old_process descriptor term_state to ask
+    // the parent process (wait() function) to delete this old_thread 
+    hal_atomic_or( &old_process->term_state , PROCESS_TERM_EXIT );
 
     hal_fence();