Changeset 8e16177 for libcfa/src/concurrency

Timestamp:

May 8, 2020, 2:14:48 PM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

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

Children:

0dedf027

Parents:

e68d092

Message:

Turn off interrupts when signalling a halted processor

File:

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

libcfa/src/concurrency/kernel.cfa

@@ -901 +901 @@
         // Wake them up
         __cfadbg_print_safe(runtime_core, "Kernel : waking Processor %p\n", this->idles.head);
+        /* paranoid */ verify( ! kernelTLS.preemption_state.enabled );
         post( this->idles.head->idle );
 
@@ -911 +912 @@
 static bool __wake_proc(processor * this) {
         __cfadbg_print_safe(runtime_core, "Kernel : waking Processor %p\n", this);
-        return post( this->idle );
+
+        disable_interrupts();
+                /* paranoid */ verify( ! kernelTLS.preemption_state.enabled );
+                bool ret = post( this->idle );
+        enable_interrupts( __cfaabi_dbg_ctx );
+
+        return ret;
 }