Changeset 7f6a7c9 for libcfa/src/bits

Timestamp:

Sep 21, 2022, 11:02:15 AM (3 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, ast-experimental, master, pthread-emulation

Children:

95dab9e

Parents:

428adbc (diff), 0bd46fd (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' into pthread-emulation

Location:

libcfa/src/bits

Files:

• defs.hfa (modified) (2 diffs)
• locks.hfa (modified) (3 diffs)

libcfa/src/bits/defs.hfa

@@ -25 +25 @@
 #define likely(x)   __builtin_expect(!!(x), 1)
 #define unlikely(x) __builtin_expect(!!(x), 0)
-#define thread_local _Thread_local
 
 typedef void (*fptr_t)();
@@ -38 +37 @@
 #endif
 
+
+#if defined(__has_attribute)
+#if !__has_attribute(__noclone__)
+#define ATTRIBUTE_NOCLONE
+#endif
+#endif
+#ifndef ATTRIBUTE_NOCLONE
+#define ATTRIBUTE_NOCLONE __attribute__((__noclone__))
+#endif
+
 #define libcfa_public __attribute__((visibility("default")))
+#define libcfa_nopreempt __attribute__((section("cfatext_nopreempt"))) __attribute__((__noinline__)) ATTRIBUTE_NOCLONE
+
+struct __cfa_nopreempt_region {
+        void * start;
+        void * stop;
+};
 
 #ifdef __cforall

libcfa/src/bits/locks.hfa

@@ -13 +13 @@
 // Created On       : Tue Oct 31 15:14:38 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Wed Aug 12 14:18:07 2020
-// Update Count     : 13
+// Last Modified On : Mon Sep 19 18:51:53 2022
+// Update Count     : 17
 //
 
@@ -32 +32 @@
                 extern void disable_interrupts() OPTIONAL_THREAD;
                 extern void enable_interrupts( bool poll = true ) OPTIONAL_THREAD;
+                extern bool poll_interrupts() OPTIONAL_THREAD;
                 #define __cfaabi_dbg_record_lock(x, y)
         }
@@ -59 +60 @@
 
                 disable_interrupts();
-                for ( unsigned int i = 1;; i += 1 ) {
+                for ( i; 1 ~ @ ) {
                         if ( (this.lock == 0) && (__atomic_test_and_set( &this.lock, __ATOMIC_ACQUIRE ) == 0) ) break;
                         #ifndef NOEXPBACK
                                 // exponential spin
-                                for ( volatile unsigned int s = 0; s < spin; s += 1 ) Pause();
+                        for ( volatile unsigned int s; 0 ~ spin ) Pause();
 
                                 // slowly increase by powers of 2