| // Copyright (c) 2009 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. |
| |
| #ifndef BASE_LINUX_UTIL_H__ |
| #define BASE_LINUX_UTIL_H__ |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <string> |
| |
| namespace base { |
| |
| static const char kFindInodeSwitch[] = "--find-inode"; |
| |
| // Makes a copy of |pixels| with the ordering changed from BGRA to RGBA. |
| // The caller is responsible for free()ing the data. If |stride| is 0, |
| // it's assumed to be 4 * |width|. |
| uint8_t* BGRAToRGBA(const uint8_t* pixels, int width, int height, int stride); |
| |
| // Get the Linux Distro if we can, or return "Unknown", similar to |
| // GetWinVersion() in base/win_util.h. |
| std::string GetLinuxDistro(); |
| |
| // These are used to derive mocks for unittests. |
| class EnvironmentVariableGetter { |
| public: |
| virtual ~EnvironmentVariableGetter() {} |
| // Gets an environment variable's value and stores it in |
| // result. Returns false if the key is unset. |
| virtual bool Getenv(const char* variable_name, std::string* result) = 0; |
| |
| // Create an instance of EnvironmentVariableGetter |
| static EnvironmentVariableGetter* Create(); |
| }; |
| |
| enum DesktopEnvironment { |
| DESKTOP_ENVIRONMENT_OTHER, |
| DESKTOP_ENVIRONMENT_GNOME, |
| // KDE3 and KDE4 are sufficiently different that we count |
| // them as two different desktop environments here. |
| DESKTOP_ENVIRONMENT_KDE3, |
| DESKTOP_ENVIRONMENT_KDE4, |
| }; |
| |
| // Return an entry from the DesktopEnvironment enum with a best guess |
| // of which desktop environment we're using. We use this to know when |
| // to attempt to use preferences from the desktop environment -- |
| // proxy settings, password manager, etc. |
| DesktopEnvironment GetDesktopEnvironment(EnvironmentVariableGetter* env); |
| |
| // Return a string representation of the given desktop environment. |
| // May return NULL in the case of DESKTOP_ENVIRONMENT_OTHER. |
| const char* GetDesktopEnvironmentName(DesktopEnvironment env); |
| // Convenience wrapper that calls GetDesktopEnvironment() first. |
| const char* GetDesktopEnvironmentName(EnvironmentVariableGetter* env); |
| |
| // Return the inode number for the UNIX domain socket |fd|. |
| bool FileDescriptorGetInode(ino_t* inode_out, int fd); |
| |
| // Find the process which holds the given socket, named by inode number. If |
| // multiple processes hold the socket, this function returns false. |
| bool FindProcessHoldingSocket(pid_t* pid_out, ino_t socket_inode); |
| |
| } // namespace base |
| |
| #endif // BASE_LINUX_UTIL_H__ |