Initial checkin of gRPC to third_party/

third_party/grpc/include/grpc/impl/codegen/alloc.h

Index: third_party/grpc/include/grpc/impl/codegen/alloc.h
diff --git a/third_party/tcmalloc/vendor/src/base/thread_lister.c b/third_party/grpc/include/grpc/impl/codegen/alloc.h
similarity index 53%
copy from third_party/tcmalloc/vendor/src/base/thread_lister.c
copy to third_party/grpc/include/grpc/impl/codegen/alloc.h
index bc180dba7a9f2ba3b8261009c8af85f0b1d4a023..235135443306c331720305d42e93f4facb42a8f3 100644
--- a/third_party/tcmalloc/vendor/src/base/thread_lister.c
+++ b/third_party/grpc/include/grpc/impl/codegen/alloc.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
@@ -27,51 +29,46 @@
  * (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
  */
 
-#include "config.h"
-#include <stdio.h>         /* needed for NULL on some powerpc platforms (?!) */
-#ifdef HAVE_SYS_PRCTL
-# include <sys/prctl.h>
+#ifndef GRPC_IMPL_CODEGEN_ALLOC_H
+#define GRPC_IMPL_CODEGEN_ALLOC_H
+
+#include <stddef.h>
+
+#include <grpc/impl/codegen/port_platform.h>
+
+#ifdef __cplusplus
+extern "C" {
 #endif
-#include "base/thread_lister.h"
-#include "base/linuxthreads.h"
-/* Include other thread listers here that define THREADS macro
- * only when they can provide a good implementation.
- */
 
-#ifndef THREADS
+typedef struct gpr_allocation_functions {
+  void *(*malloc_fn)(size_t size);
+  void *(*realloc_fn)(void *ptr, size_t size);
+  void (*free_fn)(void *ptr);
+} gpr_allocation_functions;
 
-/* Default trivial thread lister for single-threaded applications,
- * or if the multi-threading code has not been ported, yet.
- */
+/* malloc, never returns NULL */
+GPRAPI void *gpr_malloc(size_t size);
+/* free */
+GPRAPI void gpr_free(void *ptr);
+/* realloc, never returns NULL */
+GPRAPI void *gpr_realloc(void *p, size_t size);
+/* aligned malloc, never returns NULL, will align to 1 << alignment_log */
+GPRAPI void *gpr_malloc_aligned(size_t size, size_t alignment_log);
+/* free memory allocated by gpr_malloc_aligned */
+GPRAPI void gpr_free_aligned(void *ptr);
 
-int ListAllProcessThreads(void *parameter,
-                          ListAllProcessThreadsCallBack callback, ...) {
-  int rc;
-  va_list ap;
-  pid_t pid;
+/** Request the family of allocation functions in \a functions be used. NOTE
+ * that this request will be honored in a *best effort* basis and that no
+ * guarantees are made about the default functions (eg, malloc) being called. */
+GPRAPI void gpr_set_allocation_functions(gpr_allocation_functions functions);
 
-#ifdef HAVE_SYS_PRCTL
-  int dumpable = prctl(PR_GET_DUMPABLE, 0);
-  if (!dumpable)
-    prctl(PR_SET_DUMPABLE, 1);
-#endif
-  va_start(ap, callback);
-  pid = getpid();
-  rc = callback(parameter, 1, &pid, ap);
-  va_end(ap);
-#ifdef HAVE_SYS_PRCTL
-  if (!dumpable)
-    prctl(PR_SET_DUMPABLE, 0);
-#endif
-  return rc;
-}
+/** Return the family of allocation functions currently in effect. */
+GPRAPI gpr_allocation_functions gpr_get_allocation_functions();
 
-int ResumeAllProcessThreads(int num_threads, pid_t *thread_pids) {
-  return 1;
+#ifdef __cplusplus
 }
+#endif
 
-#endif   /* ifndef THREADS */
+#endif /* GRPC_IMPL_CODEGEN_ALLOC_H */