ipc/chromium/src/base/debug_util.cc

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
michael@0 2 // Use of this source code is governed by a BSD-style license that can be
michael@0 3 // found in the LICENSE file.
michael@0 4
michael@0 5 #include "base/debug_util.h"
michael@0 6
michael@0 7 #include "base/platform_thread.h"
michael@0 8
michael@0 9 #include <stdarg.h>
michael@0 10 #include <stdio.h>
michael@0 11 #include <stdlib.h>
michael@0 12
michael@0 13 #ifdef OS_WIN
michael@0 14 #include <io.h>
michael@0 15 #else
michael@0 16 #include <unistd.h>
michael@0 17 #endif
michael@0 18
michael@0 19 #ifndef STDOUT_FILENO
michael@0 20 #define STDOUT_FILENO 1
michael@0 21 #endif
michael@0 22
michael@0 23 bool DebugUtil::WaitForDebugger(int wait_seconds, bool silent) {
michael@0 24 for (int i = 0; i < wait_seconds * 10; ++i) {
michael@0 25 if (BeingDebugged()) {
michael@0 26 if (!silent)
michael@0 27 BreakDebugger();
michael@0 28 return true;
michael@0 29 }
michael@0 30 PlatformThread::Sleep(100);
michael@0 31 }
michael@0 32 return false;
michael@0 33 }
michael@0 34
michael@0 35 const void *const *StackTrace::Addresses(size_t* count) {
michael@0 36 *count = trace_.size();
michael@0 37 if (trace_.size())
michael@0 38 return &trace_[0];
michael@0 39 return NULL;
michael@0 40 }
michael@0 41
michael@0 42 namespace mozilla {
michael@0 43
michael@0 44 EnvironmentLog::EnvironmentLog(const char* varname)
michael@0 45 {
michael@0 46 const char *e = getenv(varname);
michael@0 47 if (e && *e)
michael@0 48 fname_ = e;
michael@0 49 }
michael@0 50
michael@0 51 EnvironmentLog::~EnvironmentLog()
michael@0 52 {
michael@0 53 }
michael@0 54
michael@0 55 void
michael@0 56 EnvironmentLog::print(const char* format, ...)
michael@0 57 {
michael@0 58 if (!fname_.size())
michael@0 59 return;
michael@0 60
michael@0 61 FILE* f;
michael@0 62 if (fname_.compare("-") == 0)
michael@0 63 f = fdopen(dup(STDOUT_FILENO), "a");
michael@0 64 else
michael@0 65 f = fopen(fname_.c_str(), "a");
michael@0 66
michael@0 67 if (!f)
michael@0 68 return;
michael@0 69
michael@0 70 va_list a;
michael@0 71 va_start(a, format);
michael@0 72 vfprintf(f, format, a);
michael@0 73 va_end(a);
michael@0 74 fclose(f);
michael@0 75 }
michael@0 76
michael@0 77 } // namespace mozilla

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