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Diffstat (limited to 'include/grpc/support/tls_pthread.h')
| -rw-r--r-- | include/grpc/support/tls_pthread.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/grpc/support/tls_pthread.h b/include/grpc/support/tls_pthread.h new file mode 100644 index 0000000000..249c4d1cab --- /dev/null +++ b/include/grpc/support/tls_pthread.h @@ -0,0 +1,53 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_SUPPORT_TLS_PTHREAD_H +#define GRPC_SUPPORT_TLS_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; +}; + +#define GPR_TLS_DECL(name) \ + static 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_set(tls, new_value) \ + GPR_ASSERT(pthread_setspecific((tls)->key, (void*)(new_value)) == 0) +#define gpr_tls_get(tls) ((gpr_intptr)pthread_getspecific((tls)->key)) + +#endif |