Changeset 474

Timestamp:

Dec 12, 2014, 5:54:20 PM (10 years ago)

Author:

alain

Message:

Update the fat32.c file to use a queueing spin-lock.

File:

• soft/giet_vm/giet_fat32/fat32.c (modified) (6 diffs)

soft/giet_vm/giet_fat32/fat32.c

@@ -1130 +1130 @@
 
     // initalise the lock protecting the FAT
-    _lock_init( &fat.fat_lock );
+    _spin_lock_init( &fat.fat_lock );
 
     // initialise file descriptor array
@@ -1241 +1241 @@
     }
     // takes the FAT lock for exclusive access
-    _lock_acquire( &fat.fat_lock );
+    _spin_lock_acquire( &fat.fat_lock );
 
 #if GIET_DEBUG_FAT
@@ -1296 +1296 @@
             _puts( name );
             _puts("\n");
-            _lock_release( &fat.fat_lock );
+            _spin_lock_release( &fat.fat_lock );
             return -1;
         }
@@ -1351 +1351 @@
 
             // release FAT lock
-            _lock_release( &fat.fat_lock );
+            _spin_lock_release( &fat.fat_lock );
 
             return fd_id;
@@ -1360 +1360 @@
             _puts( pathname );
             _puts(" : fd array full\n");
-            _lock_release( &fat.fat_lock );
+            _spin_lock_release( &fat.fat_lock );
             return -1;
         }
@@ -1369 +1369 @@
         _puts( pathname );
         _puts(" : bad cluster\n");
-        _lock_release( &fat.fat_lock );
+        _spin_lock_release( &fat.fat_lock );
         return -1;
     }