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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 #ifndef BASE_LINUX_UTIL_H_ | 5 #ifndef BASE_LINUX_UTIL_H_ |
| 6 #define BASE_LINUX_UTIL_H_ | 6 #define BASE_LINUX_UTIL_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <stdint.h> | 9 #include <stdint.h> |
| 10 #include <sys/types.h> | 10 #include <sys/types.h> |
| 11 | 11 |
| 12 #include <string> | 12 #include <string> |
| 13 | 13 |
| 14 #include "base/base_api.h" | 14 #include "base/base_export.h" |
| 15 | 15 |
| 16 namespace base { | 16 namespace base { |
| 17 | 17 |
| 18 static const char kFindInodeSwitch[] = "--find-inode"; | 18 static const char kFindInodeSwitch[] = "--find-inode"; |
| 19 | 19 |
| 20 // This is declared here so the crash reporter can access the memory directly | 20 // This is declared here so the crash reporter can access the memory directly |
| 21 // in compromised context without going through the standard library. | 21 // in compromised context without going through the standard library. |
| 22 BASE_API extern char g_linux_distro[]; | 22 BASE_EXPORT extern char g_linux_distro[]; |
| 23 | 23 |
| 24 // Get the Linux Distro if we can, or return "Unknown". | 24 // Get the Linux Distro if we can, or return "Unknown". |
| 25 BASE_API std::string GetLinuxDistro(); | 25 BASE_EXPORT std::string GetLinuxDistro(); |
| 26 | 26 |
| 27 // Set the Linux Distro string. | 27 // Set the Linux Distro string. |
| 28 BASE_API void SetLinuxDistro(const std::string& distro); | 28 BASE_EXPORT void SetLinuxDistro(const std::string& distro); |
| 29 | 29 |
| 30 // Return the inode number for the UNIX domain socket |fd|. | 30 // Return the inode number for the UNIX domain socket |fd|. |
| 31 BASE_API bool FileDescriptorGetInode(ino_t* inode_out, int fd); | 31 BASE_EXPORT bool FileDescriptorGetInode(ino_t* inode_out, int fd); |
| 32 | 32 |
| 33 // Find the process which holds the given socket, named by inode number. If | 33 // Find the process which holds the given socket, named by inode number. If |
| 34 // multiple processes hold the socket, this function returns false. | 34 // multiple processes hold the socket, this function returns false. |
| 35 BASE_API bool FindProcessHoldingSocket(pid_t* pid_out, ino_t socket_inode); | 35 BASE_EXPORT bool FindProcessHoldingSocket(pid_t* pid_out, ino_t socket_inode); |
| 36 | 36 |
| 37 // For a given process |pid|, look through all its threads and find the first | 37 // For a given process |pid|, look through all its threads and find the first |
| 38 // thread with /proc/[pid]/task/[thread_id]/syscall whose first N bytes matches | 38 // thread with /proc/[pid]/task/[thread_id]/syscall whose first N bytes matches |
| 39 // |expected_data|, where N is the length of |expected_data|. | 39 // |expected_data|, where N is the length of |expected_data|. |
| 40 // Returns the thread id or -1 on error. If |syscall_supported| is | 40 // Returns the thread id or -1 on error. If |syscall_supported| is |
| 41 // set to false the kernel does not support syscall in procfs. | 41 // set to false the kernel does not support syscall in procfs. |
| 42 BASE_API pid_t FindThreadIDWithSyscall(pid_t pid, | 42 BASE_EXPORT pid_t FindThreadIDWithSyscall(pid_t pid, |
| 43 const std::string& expected_data, | 43 const std::string& expected_data, |
| 44 bool* syscall_supported); | 44 bool* syscall_supported); |
| 45 | 45 |
| 46 } // namespace base | 46 } // namespace base |
| 47 | 47 |
| 48 #endif // BASE_LINUX_UTIL_H_ | 48 #endif // BASE_LINUX_UTIL_H_ |
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