Changeset 21184e3 for libcfa/src/concurrency/kernel.cfa

Timestamp:

Nov 18, 2019, 11:11:24 AM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

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

Children:

57c764c, 7768b8d

Parents:

6559a9d

Message:

Added Thread-Local random number generator to kernel which will be needed for the ready-queue

File:

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

libcfa/src/concurrency/kernel.cfa

@@ -133 +133 @@
         NULL,
         NULL,
-        { 1, false, false }
+        { 1, false, false },
+        6u //this should be seeded better but due to a bug calling rdtsc doesn't work
 };
 
@@ -260 +261 @@
 //Main of the processor contexts
 void main(processorCtx_t & runner) {
+        // Because of a bug, we couldn't initialized the seed on construction
+        // Do it here
+        kernelTLS.rand_seed ^= rdtsc();
+
         processor * this = runner.proc;
         verify(this);