Initial checkin of gRPC to third_party/

third_party/grpc/src/core/iomgr/executor.h

Index: third_party/grpc/src/core/iomgr/executor.h
diff --git a/third_party/tcmalloc/vendor/src/base/linuxthreads.h b/third_party/grpc/src/core/iomgr/executor.h
similarity index 67%
copy from third_party/tcmalloc/vendor/src/base/linuxthreads.h
copy to third_party/grpc/src/core/iomgr/executor.h
index 5c318fed7ec4c47e7bf082e315992e102abcd620..aac057ddf5fb9699826261c2ad951a5c9c0b7861 100644
--- a/third_party/tcmalloc/vendor/src/base/linuxthreads.h
+++ b/third_party/grpc/src/core/iomgr/executor.h
@@ -1,4 +1,6 @@
-/* Copyright (c) 2005-2007, Google Inc.
+/*
+ *
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -27,27 +29,25 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- * ---
- * Author: Markus Gutschke
  */
 
-#ifndef _LINUXTHREADS_H
-#define _LINUXTHREADS_H
+#ifndef GRPC_INTERNAL_CORE_IOMGR_EXECUTOR_H
+#define GRPC_INTERNAL_CORE_IOMGR_EXECUTOR_H
 
-/* Include thread_lister.h to get the interface that we implement for linux.
- */
+#include "src/core/iomgr/closure.h"
 
-/* We currently only support x86-32 and x86-64 on Linux. Porting to other
- * related platforms should not be difficult.
- */
-#if (defined(__i386__) || defined(__x86_64__) || defined(__ARM_ARCH_3__) || \
-     defined(__mips__) || defined(__PPC__)) && defined(__linux)
+/** Initialize the global executor.
+ *
+ * This mechanism is meant to outsource work (grpc_closure instances) to a
+ * thread, for those cases where blocking isn't an option but there isn't a
+ * non-blocking solution available. */
+void grpc_executor_init();
 
-/* Define the THREADS symbol to make sure that there is exactly one core dumper
- * built into the library.
- */
-#define THREADS "Linux /proc"
+/** Enqueue \a closure for its eventual execution of \a f(arg) on a separate
+ * thread */
+void grpc_executor_enqueue(grpc_closure *closure, bool success);
 
-#endif
+/** Shutdown the executor, running all pending work as part of the call */
+void grpc_executor_shutdown();
 
-#endif  /* _LINUXTHREADS_H */
+#endif /* GRPC_INTERNAL_CORE_IOMGR_EXECUTOR_H */