Changeset a67c5b6 for libcfa/src/concurrency

Timestamp:

May 5, 2021, 4:30:23 PM (4 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:

ce9ed84

Parents:

b9376fe

Message:

Processors now have a pointer to their tls.
This means the tls is no longer 100% private.
Use with care.

Location:

libcfa/src/concurrency

Files:

• kernel.hfa (modified) (1 diff)
• kernel/startup.cfa (modified) (5 diffs)

libcfa/src/concurrency/kernel.hfa

@@ -116 +116 @@
                 $thread * thrd;
         } init;
+
+        struct KernelThreadData * local_data;
 
         #if !defined(__CFA_NO_STATISTICS__)

libcfa/src/concurrency/kernel/startup.cfa

@@ -228 +228 @@
                 __init_stats( __cfaabi_tls.this_stats );
         #endif
+        mainProcessor->local_data = &__cfaabi_tls;
 
         // Enable preemption
@@ -282 +283 @@
         #endif
 
+        mainProcessor->local_data = 0p;
+
         unregister_tls( mainProcessor );
 
@@ -329 +332 @@
         __cfaabi_tls.this_thread    = 0p;
         __cfaabi_tls.preemption_state.[enabled, disable_count] = [false, 1];
+        proc->local_data = &__cfaabi_tls;
 
         register_tls( proc );
@@ -368 +372 @@
                 #endif
         #endif
+
+        proc->local_data = 0p;
 
         unregister_tls( proc );
@@ -500 +506 @@
 
         this.init.thrd = initT;
+
+        this.local_data = 0p;
 
         this.idle = eventfd(0, 0);