svn commit: r431622 - head/security/gnutls/files
Tijl Coosemans
tijl at FreeBSD.org
Mon Jan 16 10:19:03 UTC 2017
Author: tijl
Date: Mon Jan 16 10:19:01 2017
New Revision: 431622
URL: https://svnweb.freebsd.org/changeset/ports/431622
Log:
Make atomic operations explicit to support old gcc.
PR: 216122
Added:
head/security/gnutls/files/patch-lib-random.c (contents, props changed)
Added: head/security/gnutls/files/patch-lib-random.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/security/gnutls/files/patch-lib-random.c Mon Jan 16 10:19:01 2017 (r431622)
@@ -0,0 +1,53 @@
+--- lib/random.c.orig 2017-01-08 09:27:28 UTC
++++ lib/random.c
+@@ -33,24 +33,24 @@ void *gnutls_rnd_ctx;
+ GNUTLS_STATIC_MUTEX(gnutls_rnd_init_mutex);
+
+ #ifdef HAVE_STDATOMIC_H
+-static atomic_uint rnd_initialized = 0;
++static atomic_uint rnd_initialized = ATOMIC_VAR_INIT(0);
+
+ inline static int _gnutls_rnd_init(void)
+ {
+- if (unlikely(!rnd_initialized)) {
++ if (unlikely(!atomic_load(&rnd_initialized))) {
+ if (_gnutls_rnd_ops.init == NULL) {
+- rnd_initialized = 1;
++ atomic_store(&rnd_initialized, 1);
+ return 0;
+ }
+
+ GNUTLS_STATIC_MUTEX_LOCK(gnutls_rnd_init_mutex);
+- if (!rnd_initialized) {
++ if (!atomic_load(&rnd_initialized)) {
+ if (_gnutls_rnd_ops.init(&gnutls_rnd_ctx) < 0) {
+ gnutls_assert();
+ GNUTLS_STATIC_MUTEX_UNLOCK(gnutls_rnd_init_mutex);
+ return GNUTLS_E_RANDOM_FAILED;
+ }
+- rnd_initialized = 1;
++ atomic_store(&rnd_initialized, 1);
+ }
+ GNUTLS_STATIC_MUTEX_UNLOCK(gnutls_rnd_init_mutex);
+ }
+@@ -107,10 +107,10 @@ int _gnutls_rnd_preinit(void)
+
+ void _gnutls_rnd_deinit(void)
+ {
+- if (rnd_initialized && _gnutls_rnd_ops.deinit != NULL) {
++ if (atomic_load(&rnd_initialized) && _gnutls_rnd_ops.deinit != NULL) {
+ _gnutls_rnd_ops.deinit(gnutls_rnd_ctx);
+ }
+- rnd_initialized = 0;
++ atomic_store(&rnd_initialized, 0);
+
+ _rnd_system_entropy_deinit();
+
+@@ -162,6 +162,6 @@ int gnutls_rnd(gnutls_rnd_level_t level,
+ **/
+ void gnutls_rnd_refresh(void)
+ {
+- if (rnd_initialized && _gnutls_rnd_ops.rnd_refresh)
++ if (atomic_load(&rnd_initialized) && _gnutls_rnd_ops.rnd_refresh)
+ _gnutls_rnd_ops.rnd_refresh(gnutls_rnd_ctx);
+ }
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