Changeset d672350 for libcfa/src/concurrency/preemption.cfa

Timestamp:

Mar 21, 2022, 1:44:06 PM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, ast-experimental, enum, master, pthread-emulation, qualifiedEnum

Children:

a76202d

Parents:

ef3c383 (diff), dbe2533 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc

File:

• libcfa/src/concurrency/preemption.cfa (modified) (5 diffs)

libcfa/src/concurrency/preemption.cfa

@@ -10 +10 @@
 // Created On       : Mon Jun 5 14:20:42 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Fri Nov  6 07:42:13 2020
-// Update Count     : 54
+// Last Modified On : Thu Feb 17 11:18:57 2022
+// Update Count     : 59
 //
 
@@ -31 +31 @@
 #include "bits/debug.hfa"
 #include "bits/signal.hfa"
-#include "kernel_private.hfa"
+#include "kernel/private.hfa"
 
 
@@ -97 +97 @@
 }
 
-enum {
-        PREEMPT_NORMAL    = 0,
-        PREEMPT_TERMINATE = 1,
-};
-
 //=============================================================================================
 // Kernel Preemption logic
@@ -243 +238 @@
 //----------
 // special case for preemption since used often
-bool __preemption_enabled() {
+__attribute__((optimize("no-reorder-blocks"))) bool __preemption_enabled() {
         // create a assembler label before
         // marked as clobber all to avoid movement
@@ -664 +659 @@
         choose(sfp->si_value.sival_int) {
                 case PREEMPT_NORMAL   : ;// Normal case, nothing to do here
+                case PREEMPT_IO       : ;// I/O asked to stop spinning, nothing to do here
                 case PREEMPT_TERMINATE: verify( __atomic_load_n( &__cfaabi_tls.this_processor->do_terminate, __ATOMIC_SEQ_CST ) );
                 default: