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| author | jam@chromium.org <jam@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-03-17 06:06:12 +0000 |
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| committer | jam@chromium.org <jam@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-03-17 06:06:12 +0000 |
| commit | 4dd5793c22cc4e9991055adcb4e7163fbba8c246 (patch) | |
| tree | fb2307f59725643e4c4ce8d4f215188fd8920bdd /content/common/set_process_title.cc | |
| parent | 7e06cb9f6a1bfd890eebd08195a903a58912cdc9 (diff) | |
| download | chromium_src-4dd5793c22cc4e9991055adcb4e7163fbba8c246.zip chromium_src-4dd5793c22cc4e9991055adcb4e7163fbba8c246.tar.gz chromium_src-4dd5793c22cc4e9991055adcb4e7163fbba8c246.tar.bz2 | |
Move the remaining files in chrome\common to content\common.
TBR=avi
Review URL: http://codereview.chromium.org/6672070
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@78516 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'content/common/set_process_title.cc')
| -rw-r--r-- | content/common/set_process_title.cc | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/content/common/set_process_title.cc b/content/common/set_process_title.cc new file mode 100644 index 0000000..3602e94 --- /dev/null +++ b/content/common/set_process_title.cc @@ -0,0 +1,81 @@ +// Copyright (c) 2010 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 "content/common/set_process_title.h" + +#include "base/command_line.h" +#include "base/file_path.h" +#include "base/file_util.h" +#include "base/string_util.h" +#include "build/build_config.h" + +#if defined(OS_POSIX) +#include <limits.h> +#include <stdlib.h> +#include <unistd.h> +#endif + +#if defined(OS_LINUX) +#include <sys/prctl.h> + +// Linux/glibc doesn't natively have setproctitle(). +#include "content/common/set_process_title_linux.h" +#endif + +#if defined(OS_POSIX) && !defined(OS_MACOSX) + +void SetProcessTitleFromCommandLine(char** main_argv) { + // Build a single string which consists of all the arguments separated + // by spaces. We can't actually keep them separate due to the way the + // setproctitle() function works. + std::string title; + bool have_argv0 = false; + +#if defined(OS_LINUX) + if (main_argv) + setproctitle_init(main_argv); + + // In Linux we sometimes exec ourselves from /proc/self/exe, but this makes us + // show up as "exe" in process listings. Read the symlink /proc/self/exe and + // use the path it points at for our process title. Note that this is only for + // display purposes and has no TOCTTOU security implications. + FilePath target; + FilePath self_exe("/proc/self/exe"); + if (file_util::ReadSymbolicLink(self_exe, &target)) { + have_argv0 = true; + title = target.value(); + // If the binary has since been deleted, Linux appends " (deleted)" to the + // symlink target. Remove it, since this is not really part of our name. + const std::string kDeletedSuffix = " (deleted)"; + if (EndsWith(title, kDeletedSuffix, true)) + title.resize(title.size() - kDeletedSuffix.size()); +#if defined(PR_SET_NAME) + // If PR_SET_NAME is available at compile time, we try using it. We ignore + // any errors if the kernel does not support it at runtime though. When + // available, this lets us set the short process name that shows when the + // full command line is not being displayed in most process listings. + prctl(PR_SET_NAME, FilePath(title).BaseName().value().c_str()); +#endif + } +#endif + + const CommandLine* command_line = CommandLine::ForCurrentProcess(); + for (size_t i = 1; i < command_line->argv().size(); ++i) { + if (!title.empty()) + title += " "; + title += command_line->argv()[i]; + } + // Disable prepending argv[0] with '-' if we prepended it ourselves above. + setproctitle(have_argv0 ? "-%s" : "%s", title.c_str()); +} + +#else + +// All other systems (basically Windows & Mac) have no need or way to implement +// this function. +void SetProcessTitleFromCommandLine(char** /* main_argv */) { +} + +#endif + |