projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 13da1c97 | 1 | /* Linux-specific PROCFS manipulation routines. |
| 32d0add0 | 2 | Copyright (C) 2011-2015 Free Software Foundation, Inc. |
| 13da1c97 LM |
3 | |
| 4 | This file is part of GDB. | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 3 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 18 | ||
| 19 | #ifndef COMMON_LINUX_PROCFS_H | |
| 20 | #define COMMON_LINUX_PROCFS_H | |
| 21 | ||
| 22 | #include <unistd.h> | |
| 23 | ||
| 24 | /* Return the TGID of LWPID from /proc/pid/status. Returns -1 if not | |
| 8784d563 | 25 | found. Failure to open the /proc file results in a warning. */ |
| 13da1c97 | 26 | |
| 87b0bb13 JK |
27 | extern int linux_proc_get_tgid (pid_t lwpid); |
| 28 | ||
| 8784d563 PA |
29 | /* Return the TracerPid of LWPID from /proc/pid/status. Returns -1 if |
| 30 | not found. Does not warn on failure to open the /proc file. */ | |
| 87b0bb13 | 31 | |
| 8784d563 | 32 | extern pid_t linux_proc_get_tracerpid_nowarn (pid_t lwpid); |
| 13da1c97 | 33 | |
| 644cebc9 PA |
34 | /* Detect `T (stopped)' in `/proc/PID/status'. |
| 35 | Other states including `T (tracing stop)' are reported as false. */ | |
| 36 | ||
| 37 | extern int linux_proc_pid_is_stopped (pid_t pid); | |
| 38 | ||
| 23f238d3 PA |
39 | extern int linux_proc_pid_is_trace_stopped_nowarn (pid_t pid); |
| 40 | ||
| 8784d563 PA |
41 | /* Return non-zero if PID is a zombie. Failure to open the |
| 42 | /proc/pid/status file results in a warning. */ | |
| 5f572dec JK |
43 | |
| 44 | extern int linux_proc_pid_is_zombie (pid_t pid); | |
| 45 | ||
| 8784d563 PA |
46 | /* Return non-zero if PID is a zombie. Does not warn on failure to |
| 47 | open the /proc file. */ | |
| 48 | ||
| 49 | extern int linux_proc_pid_is_zombie_nowarn (pid_t pid); | |
| 50 | ||
| 51 | /* Return non-zero if /proc/PID/status indicates that PID is gone | |
| 52 | (i.e., in Z/Zombie or X/Dead state). Failure to open the /proc | |
| 53 | file is assumed to indicate the thread is gone. */ | |
| 54 | ||
| 55 | extern int linux_proc_pid_is_gone (pid_t pid); | |
| 56 | ||
| 8784d563 PA |
57 | /* Callback function for linux_proc_attach_tgid_threads. If the PTID |
| 58 | thread is not yet known, try to attach to it and return true, | |
| 59 | otherwise return false. */ | |
| 60 | typedef int (*linux_proc_attach_lwp_func) (ptid_t ptid); | |
| 61 | ||
| 62 | /* If PID is a tgid, scan the /proc/PID/task/ directory for existing | |
| 63 | threads, and call FUNC for each thread found. */ | |
| 64 | extern void linux_proc_attach_tgid_threads (pid_t pid, | |
| 65 | linux_proc_attach_lwp_func func); | |
| 66 | ||
| 2db9a427 PA |
67 | /* Return true if the /proc/PID/task/ directory exists. */ |
| 68 | extern int linux_proc_task_list_dir_exists (pid_t pid); | |
| 69 | ||
| e0d86d2c GB |
70 | /* Return the full absolute name of the executable file that was run |
| 71 | to create the process PID. The returned value persists until this | |
| 72 | function is next called. */ | |
| 73 | ||
| 74 | extern char *linux_proc_pid_to_exec_file (int pid); | |
| 75 | ||
| 13da1c97 | 76 | #endif /* COMMON_LINUX_PROCFS_H */ |