Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(657)

Side by Side Diff: base/process/launch.h

Issue 1346923006: Refactor the bootstrap sandbox process launching integration. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: RevokeToken Created 5 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « no previous file | base/process/launch_mac.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 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 contains functions for launching subprocesses. 5 // This file contains functions for launching subprocesses.
6 6
7 #ifndef BASE_PROCESS_LAUNCH_H_ 7 #ifndef BASE_PROCESS_LAUNCH_H_
8 #define BASE_PROCESS_LAUNCH_H_ 8 #define BASE_PROCESS_LAUNCH_H_
9 9
10 #include <string> 10 #include <string>
(...skipping 146 matching lines...) Expand 10 before | Expand all | Expand 10 after
157 // code running in this delegate essentially needs to be async-signal safe 157 // code running in this delegate essentially needs to be async-signal safe
158 // (see man 7 signal for a list of allowed functions). 158 // (see man 7 signal for a list of allowed functions).
159 PreExecDelegate* pre_exec_delegate; 159 PreExecDelegate* pre_exec_delegate;
160 #endif // defined(OS_POSIX) 160 #endif // defined(OS_POSIX)
161 161
162 #if defined(OS_CHROMEOS) 162 #if defined(OS_CHROMEOS)
163 // If non-negative, the specified file descriptor will be set as the launched 163 // If non-negative, the specified file descriptor will be set as the launched
164 // process' controlling terminal. 164 // process' controlling terminal.
165 int ctrl_terminal_fd; 165 int ctrl_terminal_fd;
166 #endif // defined(OS_CHROMEOS) 166 #endif // defined(OS_CHROMEOS)
167
168 #if defined(OS_MACOSX)
169 // If this name is non-empty, the new child, after fork() but before exec(),
170 // will look up this server name in the bootstrap namespace. The resulting
171 // service port will be replaced as the bootstrap port in the child. Because
172 // the process's IPC space is cleared on exec(), any rights to the old
173 // bootstrap port will not be transferred to the new process.
174 std::string replacement_bootstrap_name;
175 #endif
176
177 #endif // !defined(OS_WIN) 167 #endif // !defined(OS_WIN)
178 }; 168 };
179 169
180 // Launch a process via the command line |cmdline|. 170 // Launch a process via the command line |cmdline|.
181 // See the documentation of LaunchOptions for details on |options|. 171 // See the documentation of LaunchOptions for details on |options|.
182 // 172 //
183 // Returns a valid Process upon success. 173 // Returns a valid Process upon success.
184 // 174 //
185 // Unix-specific notes: 175 // Unix-specific notes:
186 // - All file descriptors open in the parent process will be closed in the 176 // - All file descriptors open in the parent process will be closed in the
(...skipping 96 matching lines...) Expand 10 before | Expand all | Expand 10 after
283 273
284 #if defined(OS_MACOSX) 274 #if defined(OS_MACOSX)
285 // Restore the default exception handler, setting it to Apple Crash Reporter 275 // Restore the default exception handler, setting it to Apple Crash Reporter
286 // (ReportCrash). When forking and execing a new process, the child will 276 // (ReportCrash). When forking and execing a new process, the child will
287 // inherit the parent's exception ports, which may be set to the Breakpad 277 // inherit the parent's exception ports, which may be set to the Breakpad
288 // instance running inside the parent. The parent's Breakpad instance should 278 // instance running inside the parent. The parent's Breakpad instance should
289 // not handle the child's exceptions. Calling RestoreDefaultExceptionHandler 279 // not handle the child's exceptions. Calling RestoreDefaultExceptionHandler
290 // in the child after forking will restore the standard exception handler. 280 // in the child after forking will restore the standard exception handler.
291 // See http://crbug.com/20371/ for more details. 281 // See http://crbug.com/20371/ for more details.
292 void RestoreDefaultExceptionHandler(); 282 void RestoreDefaultExceptionHandler();
293
294 // Look up the bootstrap server named |replacement_bootstrap_name| via the
295 // current |bootstrap_port|. Then replace the task's bootstrap port with the
296 // received right.
297 void ReplaceBootstrapPort(const std::string& replacement_bootstrap_name);
298 #endif // defined(OS_MACOSX) 283 #endif // defined(OS_MACOSX)
299 284
300 // Creates a LaunchOptions object suitable for launching processes in a test 285 // Creates a LaunchOptions object suitable for launching processes in a test
301 // binary. This should not be called in production/released code. 286 // binary. This should not be called in production/released code.
302 BASE_EXPORT LaunchOptions LaunchOptionsForTest(); 287 BASE_EXPORT LaunchOptions LaunchOptionsForTest();
303 288
304 #if defined(OS_LINUX) || defined(OS_NACL_NONSFI) 289 #if defined(OS_LINUX) || defined(OS_NACL_NONSFI)
305 // A wrapper for clone with fork-like behavior, meaning that it returns the 290 // A wrapper for clone with fork-like behavior, meaning that it returns the
306 // child's pid in the parent and 0 in the child. |flags|, |ptid|, and |ctid| are 291 // child's pid in the parent and 0 in the child. |flags|, |ptid|, and |ctid| are
307 // as in the clone system call (the CLONE_VM flag is not supported). 292 // as in the clone system call (the CLONE_VM flag is not supported).
308 // 293 //
309 // This function uses the libc clone wrapper (which updates libc's pid cache) 294 // This function uses the libc clone wrapper (which updates libc's pid cache)
310 // internally, so callers may expect things like getpid() to work correctly 295 // internally, so callers may expect things like getpid() to work correctly
311 // after in both the child and parent. An exception is when this code is run 296 // after in both the child and parent. An exception is when this code is run
312 // under Valgrind. Valgrind does not support the libc clone wrapper, so the libc 297 // under Valgrind. Valgrind does not support the libc clone wrapper, so the libc
313 // pid cache may be incorrect after this function is called under Valgrind. 298 // pid cache may be incorrect after this function is called under Valgrind.
314 // 299 //
315 // As with fork(), callers should be extremely careful when calling this while 300 // As with fork(), callers should be extremely careful when calling this while
316 // multiple threads are running, since at the time the fork happened, the 301 // multiple threads are running, since at the time the fork happened, the
317 // threads could have been in any state (potentially holding locks, etc.). 302 // threads could have been in any state (potentially holding locks, etc.).
318 // Callers should most likely call execve() in the child soon after calling 303 // Callers should most likely call execve() in the child soon after calling
319 // this. 304 // this.
320 BASE_EXPORT pid_t ForkWithFlags(unsigned long flags, pid_t* ptid, pid_t* ctid); 305 BASE_EXPORT pid_t ForkWithFlags(unsigned long flags, pid_t* ptid, pid_t* ctid);
321 #endif 306 #endif
322 307
323 } // namespace base 308 } // namespace base
324 309
325 #endif // BASE_PROCESS_LAUNCH_H_ 310 #endif // BASE_PROCESS_LAUNCH_H_
OLDNEW
« no previous file with comments | « no previous file | base/process/launch_mac.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698