Changeset 611 for trunk/kernel/kern/process.c

Timestamp:

Jan 9, 2019, 3:02:51 PM (5 years ago)

Author:

alain

Message:

Introduce sigificant modifs in VFS to support the <ls> command,
and the . and .. directories entries.

File:

• trunk/kernel/kern/process.c (modified) (4 diffs)

trunk/kernel/kern/process.c

@@ -274 +274 @@
     remote_queuelock_init( XPTR( local_cxy , &process->children_lock ), LOCK_PROCESS_CHILDREN );
 
-    // reset semaphore / mutex / barrier / condvar list roots 
+    // reset semaphore / mutex / barrier / condvar list roots and lock
     xlist_root_init( XPTR( local_cxy , &process->sem_root ) );
     xlist_root_init( XPTR( local_cxy , &process->mutex_root ) );
@@ -280 +280 @@
     xlist_root_init( XPTR( local_cxy , &process->condvar_root ) );
     remote_queuelock_init( XPTR( local_cxy , &process->sync_lock ), LOCK_PROCESS_USERSYNC );
+
+    // reset open directories root and lock 
+    xlist_root_init( XPTR( local_cxy , &process->dir_root ) );
+    remote_queuelock_init( XPTR( local_cxy , &process->dir_lock ), LOCK_PROCESS_DIR );
 
     // register new process in the local cluster manager pref_tbl[]
@@ -546 +550 @@
     thread_block( client_xp , THREAD_BLOCKED_RPC );
 
-    // take the lock protecting process copies
-    remote_queuelock_acquire( lock_xp );
-
     // initialize shared RPC descriptor
     rpc.responses = 0;
@@ -555 +556 @@
     rpc.thread    = client;
     rpc.lid       = client->core->lid;
-    rpc.args[0]   = type;
-    rpc.args[1]   = pid;
+    rpc.args[0]   = pid;
+    rpc.args[1]   = type;
+
+    // take the lock protecting process copies
+    remote_queuelock_acquire( lock_xp );
 
     // scan list of process copies
-    // to send RPCs to remote copies
     XLIST_FOREACH( root_xp , iter_xp )
     {