Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc / deps / grpc / src / core / lib / gpr / tls_pthread.h

diff --git a/legacy-libs/grpc/deps/grpc/src/core/lib/gpr/tls_pthread.h b/legacy-libs/grpc/deps/grpc/src/core/lib/gpr/tls_pthread.h
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+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_GPR_TLS_PTHREAD_H
+#define GRPC_CORE_LIB_GPR_TLS_PTHREAD_H
+
+#include <grpc/support/port_platform.h>
+
+#include <grpc/support/log.h> /* for GPR_ASSERT */
+#include <pthread.h>
+
+/** Thread local storage based on pthread library calls.
+   #include tls.h to use this - and see that file for documentation */
+
+struct gpr_pthread_thread_local {
+  pthread_key_t key;
+};
+
+/** Use GPR_TLS_DECL to declare tls static variables outside a class */
+#define GPR_TLS_DECL(name) static struct gpr_pthread_thread_local name = {0}
+
+/** Use GPR_TLS_CLASS_DECL to declare tls static variable members of a class.
+ *  GPR_TLS_CLASS_DEF needs to be called to define this member. */
+#define GPR_TLS_CLASS_DECL(name) static struct gpr_pthread_thread_local name
+
+/** Use GPR_TLS_CLASS_DEF to declare tls static variable members of a class.
+ *  GPR_TLS_CLASS_DEF needs to be called to define this member. */
+#define GPR_TLS_CLASS_DEF(name) struct gpr_pthread_thread_local name = {0}
+
+#define gpr_tls_init(tls) GPR_ASSERT(0 == pthread_key_create(&(tls)->key, NULL))
+#define gpr_tls_destroy(tls) pthread_key_delete((tls)->key)
+#define gpr_tls_get(tls) ((intptr_t)pthread_getspecific((tls)->key))
+#ifdef __cplusplus
+extern "C" {
+#endif
+intptr_t gpr_tls_set(struct gpr_pthread_thread_local* tls, intptr_t value);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_CORE_LIB_GPR_TLS_PTHREAD_H */