Move DumpProcessWithoutCrash to base, so we can use it from net and content

BUG=none
R=mark@chromium.org
TBR=wez@chromium.org

Review URL: https://codereview.chromium.org/99523009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241589 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 71 insertions, 7 deletions

diff --git a/base/base.gypi b/base/base.gypi
index 11edab0..60ff4f2 100644
--- a/base/base.gypi
+++ b/base/base.gypi
@@ -137,6 +137,8 @@
           'debug/debugger.h',
           'debug/debugger_posix.cc',
           'debug/debugger_win.cc',
+          'debug/dump_without_crashing.cc',
+          'debug/dump_without_crashing.h',
           # This file depends on files from the 'allocator' target,
           # but this target does not depend on 'allocator' (see
           # allocator.gyp for details).
diff --git a/base/compiler_specific.h b/base/compiler_specific.h
index dc4b233..09b4e70 100644
--- a/base/compiler_specific.h
+++ b/base/compiler_specific.h
@@ -211,4 +211,13 @@ void __msan_unpoison(const void *p, unsigned long s);
 #define MSAN_UNPOISON(p, s)
 #endif  // MEMORY_SANITIZER
 
+// Macro useful for writing cross-platform function pointers.
+#if !defined(CDECL)
+#if defined(OS_WIN)
+#define CDECL __cdecl
+#else  // defined(OS_WIN)
+#define CDECL
+#endif  // defined(OS_WIN)
+#endif  // !defined(CDECL)
+
 #endif  // BASE_COMPILER_SPECIFIC_H_
diff --git a/base/debug/dump_without_crashing.cc b/base/debug/dump_without_crashing.cc
new file mode 100644
index 0000000..47fd873
--- /dev/null
+++ b/base/debug/dump_without_crashing.cc
@@ -0,0 +1,32 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/debug/dump_without_crashing.h"
+
+#include "base/logging.h"
+
+namespace {
+
+// Pointer to the function that's called by DumpWithoutCrashing() to dump the
+// process's memory.
+void (CDECL *dump_without_crashing_function_)() = NULL;
+
+}  // namespace
+
+namespace base {
+
+namespace debug {
+
+void DumpWithoutCrashing() {
+  if (dump_without_crashing_function_)
+    (*dump_without_crashing_function_)();
+}
+
+void SetDumpWithoutCrashingFunction(void (CDECL *function)()) {
+  dump_without_crashing_function_ = function;
+}
+
+}  // namespace debug
+
+}  // namespace base
diff --git a/base/debug/dump_without_crashing.h b/base/debug/dump_without_crashing.h
new file mode 100644
index 0000000..c46f446
--- /dev/null
+++ b/base/debug/dump_without_crashing.h
@@ -0,0 +1,27 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef BASE_DEBUG_DUMP_WITHOUT_CRASHING_H_
+#define BASE_DEBUG_DUMP_WITHOUT_CRASHING_H_
+
+#include "base/base_export.h"
+#include "base/compiler_specific.h"
+#include "build/build_config.h"
+
+namespace base {
+
+namespace debug {
+
+// Handler to silently dump the current process without crashing.
+BASE_EXPORT void DumpWithoutCrashing();
+
+// Sets a function that'll be invoked to dump the current process when
+// DumpWithoutCrashing() is called.
+BASE_EXPORT void SetDumpWithoutCrashingFunction(void (CDECL *function)());
+
+}  // namespace debug
+
+}  // namespace base
+
+#endif  // BASE_DEBUG_DUMP_WITHOUT_CRASHING_H_
diff --git a/base/native_library.h b/base/native_library.h
index 891f35b..9353b1f 100644
--- a/base/native_library.h
+++ b/base/native_library.h
@@ -9,6 +9,7 @@
 // a loadable module.
 
 #include "base/base_export.h"
+#include "base/compiler_specific.h"
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
@@ -19,13 +20,6 @@
 
 #include "base/strings/string16.h"
 
-// Macro useful for writing cross-platform function pointers.
-#if defined(OS_WIN) && !defined(CDECL)
-#define CDECL __cdecl
-#else
-#define CDECL
-#endif
-
 namespace base {
 
 class FilePath;