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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> |
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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_API 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_API 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. | 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 BASE_API pid_t FindThreadIDWithSyscall(pid_t pid, | 42 BASE_API pid_t FindThreadIDWithSyscall(pid_t pid, |
42 const std::string& expected_data); | 43 const std::string& expected_data, |
| 44 bool* syscall_supported); |
43 | 45 |
44 } // namespace base | 46 } // namespace base |
45 | 47 |
46 #endif // BASE_LINUX_UTIL_H_ | 48 #endif // BASE_LINUX_UTIL_H_ |
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