Changeset c993b15 for libcfa/src/concurrency/kernel/fwd.hfa

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/kernel/fwd.hfa (modified) (2 diffs)

libcfa/src/concurrency/kernel/fwd.hfa

@@ -38 +38 @@
                         struct $thread          * volatile this_thread;
                         struct processor        * volatile this_processor;
-                        struct __processor_id_t * volatile this_proc_id;
-                        struct __stats_t        * volatile this_stats;
+                        volatile bool sched_lock;
 
                         struct {
@@ -56 +55 @@
                                 uint64_t bck_seed;
                         } ready_rng;
+
+                        struct __stats_t        * volatile this_stats;
+
+
+                        #ifdef __CFA_WITH_VERIFY__
+                                // Debug, check if the rwlock is owned for reading
+                                bool in_sched_lock;
+                                unsigned sched_id;
+                        #endif
                 } __cfaabi_tls __attribute__ ((tls_model ( "initial-exec" )));