Delete posix.h (RunAsDaemon).

webrtc/base/posix.cc

Index: webrtc/base/posix.cc
diff --git a/webrtc/base/posix.cc b/webrtc/base/posix.cc
deleted file mode 100644
index 0eb24ee64a5fb10513dfb3e808e535a253853e0b..0000000000000000000000000000000000000000
--- a/webrtc/base/posix.cc
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/base/posix.h"
-
-#include <sys/wait.h>
-#include <errno.h>
-#include <unistd.h>
-
-#if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID)
-#include "webrtc/base/linuxfdwalk.h"
-#endif
-#include "webrtc/base/logging.h"
-
-namespace rtc {
-
-#if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID)
-static void closefds(void *close_errors, int fd) {
-  if (fd <= 2) {
-    // We leave stdin/out/err open to the browser's terminal, if any.
-    return;
-  }
-  if (close(fd) < 0) {
-    *static_cast<bool *>(close_errors) = true;
-  }
-}
-#endif
-
-enum {
-  EXIT_FLAG_CHDIR_ERRORS       = 1 << 0,
-#if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID)
-  EXIT_FLAG_FDWALK_ERRORS      = 1 << 1,
-  EXIT_FLAG_CLOSE_ERRORS       = 1 << 2,
-#endif
-  EXIT_FLAG_SECOND_FORK_FAILED = 1 << 3,
-};
-
-bool RunAsDaemon(const char *file, const char *const argv[]) {
-  // Fork intermediate child to daemonize.
-  pid_t pid = fork();
-  if (pid < 0) {
-    LOG_ERR(LS_ERROR) << "fork()";
-    return false;
-  } else if (!pid) {
-    // Child.
-
-    // We try to close all fds and change directory to /, but if that fails we
-    // keep going because it's not critical.
-    int exit_code = 0;
-    if (chdir("/") < 0) {
-      exit_code |= EXIT_FLAG_CHDIR_ERRORS;
-    }
-#if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID)
-    bool close_errors = false;
-    if (fdwalk(&closefds, &close_errors) < 0) {
-      exit_code |= EXIT_FLAG_FDWALK_ERRORS;
-    }
-    if (close_errors) {
-      exit_code |= EXIT_FLAG_CLOSE_ERRORS;
-    }
-#endif
-
-    // Fork again to become a daemon.
-    pid = fork();
-    // It is important that everything here use _exit() and not exit(), because
-    // exit() would call the destructors of all global variables in the whole
-    // process, which is both unnecessary and unsafe.
-    if (pid < 0) {
-      exit_code |= EXIT_FLAG_SECOND_FORK_FAILED;
-      _exit(exit_code);  // if second fork failed
-    } else if (!pid) {
-      // Child.
-      // Successfully daemonized. Run command.
-      // WEBRTC_POSIX requires the args to be typed as non-const for historical
-      // reasons, but it mandates that the actual implementation be const, so
-      // the cast is safe.
-      execvp(file, const_cast<char *const *>(argv));
-      _exit(255);  // if execvp failed
-    }
-
-    // Parent.
-    // Successfully spawned process, but report any problems to the parent where
-    // we can log them.
-    _exit(exit_code);
-  }
-
-  // Parent. Reap intermediate child.
-  int status;
-  pid_t child = waitpid(pid, &status, 0);
-  if (child < 0) {
-    LOG_ERR(LS_ERROR) << "Error in waitpid()";
-    return false;
-  }
-  if (child != pid) {
-    // Should never happen (see man page).
-    LOG(LS_ERROR) << "waitpid() chose wrong child???";
-    return false;
-  }
-  if (!WIFEXITED(status)) {
-    LOG(LS_ERROR) << "Intermediate child killed uncleanly";  // Probably crashed
-    return false;
-  }
-
-  int exit_code = WEXITSTATUS(status);
-  if (exit_code & EXIT_FLAG_CHDIR_ERRORS) {
-    LOG(LS_WARNING) << "Child reported probles calling chdir()";
-  }
-#if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID)
-  if (exit_code & EXIT_FLAG_FDWALK_ERRORS) {
-    LOG(LS_WARNING) << "Child reported problems calling fdwalk()";
-  }
-  if (exit_code & EXIT_FLAG_CLOSE_ERRORS) {
-    LOG(LS_WARNING) << "Child reported problems calling close()";
-  }
-#endif
-  if (exit_code & EXIT_FLAG_SECOND_FORK_FAILED) {
-    LOG(LS_ERROR) << "Failed to daemonize";
-    // This means the command was not launched, so failure.
-    return false;
-  }
-  return true;
-}
-
-}  // namespace rtc