Changeset c993b15 for libcfa/src/concurrency/preemption.cfa

Timestamp:

Apr 29, 2021, 4:26:25 PM (3 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

3eb55f98

Parents:

b2fc7ad9

Message:

Changed RW lock to avoid hitting the global array on schedule.

File:

• libcfa/src/concurrency/preemption.cfa (modified) (2 diffs)

libcfa/src/concurrency/preemption.cfa

@@ -687 +687 @@
 // Waits on SIGALRM and send SIGUSR1 to whom ever needs it
 static void * alarm_loop( __attribute__((unused)) void * args ) {
-        __processor_id_t id;
-        register_proc_id(&id);
-        __cfaabi_tls.this_proc_id = &id;
-
+        unsigned id = register_proc_id();
 
         // Block sigalrms to control when they arrive
@@ -749 +746 @@
 EXIT:
         __cfaabi_dbg_print_safe( "Kernel : Preemption thread stopping\n" );
-        register_proc_id(&id);
+        unregister_proc_id(id);
 
         return 0p;