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Side by Side Diff: base/process_util.h

Issue 7351003: Clean up users of a deprecated base::LaunchApp API. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: win Created 9 years, 5 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // This file/namespace contains utility functions for enumerating, ending and 5 // This file/namespace contains utility functions for enumerating, ending and
6 // computing statistics of processes. 6 // computing statistics of processes.
7 7
8 #ifndef BASE_PROCESS_UTIL_H_ 8 #ifndef BASE_PROCESS_UTIL_H_
9 #define BASE_PROCESS_UTIL_H_ 9 #define BASE_PROCESS_UTIL_H_
10 #pragma once 10 #pragma once
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351 // given environment and the list of changes given in |changes|. Each key in 351 // given environment and the list of changes given in |changes|. Each key in
352 // the environment is matched against the first element of the pairs. In the 352 // the environment is matched against the first element of the pairs. In the
353 // event of a match, the value is replaced by the second of the pair, unless 353 // event of a match, the value is replaced by the second of the pair, unless
354 // the second is empty, in which case the key-value is removed. 354 // the second is empty, in which case the key-value is removed.
355 // 355 //
356 // The returned array is allocated using new[] and must be freed by the caller. 356 // The returned array is allocated using new[] and must be freed by the caller.
357 BASE_API char** AlterEnvironment(const environment_vector& changes, 357 BASE_API char** AlterEnvironment(const environment_vector& changes,
358 const char* const* const env); 358 const char* const* const env);
359 #endif // defined(OS_POSIX) 359 #endif // defined(OS_POSIX)
360 360
361 // Executes the application specified by cl. This function delegates to one
362 // of the above platform-specific functions.
363 // TODO(evan): deprecated; change callers to use LaunchProcess, remove.
364 inline bool LaunchApp(const CommandLine& cl, bool wait, bool start_hidden,
365 ProcessHandle* process_handle) {
366 LaunchOptions options;
367 options.wait = wait;
368 options.process_handle = process_handle;
369
370 return LaunchProcess(cl, options);
371 }
372
373 // Executes the application specified by |cl| and wait for it to exit. Stores 361 // Executes the application specified by |cl| and wait for it to exit. Stores
374 // the output (stdout) in |output|. Redirects stderr to /dev/null. Returns true 362 // the output (stdout) in |output|. Redirects stderr to /dev/null. Returns true
375 // on success (application launched and exited cleanly, with exit code 363 // on success (application launched and exited cleanly, with exit code
376 // indicating success). 364 // indicating success).
377 BASE_API bool GetAppOutput(const CommandLine& cl, std::string* output); 365 BASE_API bool GetAppOutput(const CommandLine& cl, std::string* output);
378 366
379 #if defined(OS_POSIX) 367 #if defined(OS_POSIX)
380 // A restricted version of |GetAppOutput()| which (a) clears the environment, 368 // A restricted version of |GetAppOutput()| which (a) clears the environment,
381 // and (b) stores at most |max_output| bytes; also, it doesn't search the path 369 // and (b) stores at most |max_output| bytes; also, it doesn't search the path
382 // for the command. 370 // for the command.
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750 // instance running inside the parent. The parent's Breakpad instance should 738 // instance running inside the parent. The parent's Breakpad instance should
751 // not handle the child's exceptions. Calling RestoreDefaultExceptionHandler 739 // not handle the child's exceptions. Calling RestoreDefaultExceptionHandler
752 // in the child after forking will restore the standard exception handler. 740 // in the child after forking will restore the standard exception handler.
753 // See http://crbug.com/20371/ for more details. 741 // See http://crbug.com/20371/ for more details.
754 void RestoreDefaultExceptionHandler(); 742 void RestoreDefaultExceptionHandler();
755 #endif // defined(OS_MACOSX) 743 #endif // defined(OS_MACOSX)
756 744
757 } // namespace base 745 } // namespace base
758 746
759 #endif // BASE_PROCESS_UTIL_H_ 747 #endif // BASE_PROCESS_UTIL_H_
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