diff options
| author | Henrik Rydberg <rydberg@euromail.se> | 2011-10-08 20:30:28 +0200 |
|---|---|---|
| committer | Henrik Rydberg <rydberg@euromail.se> | 2011-10-08 20:30:28 +0200 |
| commit | 5df79c53745fde5d6c3340a2979b1429cd5892c1 (patch) | |
| tree | 1a81af141708b826e9c61e8a04019994fcca8298 /src/mt/lock.h | |
Initial import of htcd system 1.0
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Diffstat (limited to 'src/mt/lock.h')
| -rw-r--r-- | src/mt/lock.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/mt/lock.h b/src/mt/lock.h new file mode 100644 index 0000000..e019158 --- /dev/null +++ b/src/mt/lock.h | |||
| @@ -0,0 +1,72 @@ | |||
| 1 | /************************************************************************* | ||
| 2 | * | ||
| 3 | * HTCd - Copyright (C) 1998-2006 Henrik Rydberg | ||
| 4 | * | ||
| 5 | * This program is free software; you can redistribute it and/or modify | ||
| 6 | * it under the terms of the GNU General Public License as published by | ||
| 7 | * the Free Software Foundation; either version 2 of the License, or | ||
| 8 | * (at your option) any later version. | ||
| 9 | * | ||
| 10 | * This program is distributed in the hope that it will be useful, | ||
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 13 | * GNU General Public License for more details. | ||
| 14 | * | ||
| 15 | * You should have received a copy of the GNU General Public License | ||
| 16 | * along with this program; if not, write to the Free Software | ||
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 18 | */ | ||
| 19 | |||
| 20 | #ifndef LOCKH | ||
| 21 | #define LOCKH | ||
| 22 | |||
| 23 | #include <mt/mstring.h> | ||
| 24 | |||
| 25 | // OFFERS TWO LOCKING MECHANISMS | ||
| 26 | |||
| 27 | void LockFile(const mstring& path,int prot=0660) throw(merror_t); | ||
| 28 | void UnlockFile(const mstring& path); | ||
| 29 | |||
| 30 | // These functions create an exclusive lock on path by | ||
| 31 | // creating a file path.lock. | ||
| 32 | // Works well and is the same mechnism used by | ||
| 33 | // mailing systems. | ||
| 34 | |||
| 35 | //////////////////////////////////////////// | ||
| 36 | |||
| 37 | struct proclock_t { | ||
| 38 | pid_t pid; | ||
| 39 | mstring path; | ||
| 40 | proclock_t(const mstring& p,int prot=0660); | ||
| 41 | ~proclock_t(); | ||
| 42 | }; | ||
| 43 | |||
| 44 | #define PROCLOCK(p) proclock_t proclock(p) | ||
| 45 | |||
| 46 | // The proclock class creates a file named path.lock | ||
| 47 | // and stores the curent process id in it. | ||
| 48 | // once the destructor is called in the same | ||
| 49 | // process, the file is removed. | ||
| 50 | |||
| 51 | //////////////////////////////////////////// | ||
| 52 | |||
| 53 | struct nodelock_t { | ||
| 54 | pid_t pid; | ||
| 55 | mstring path; | ||
| 56 | nodelock_t(const mstring& p,int prot=0660); | ||
| 57 | ~nodelock_t(); | ||
| 58 | }; | ||
| 59 | |||
| 60 | #define NODELOCK(p) nodelock_t nodelock(p) | ||
| 61 | |||
| 62 | // The nodelock class creates a file named path.lock | ||
| 63 | // and stores the curent network node name in it. | ||
| 64 | // once the destructor is called in the same | ||
| 65 | // process, the file is removed. | ||
| 66 | |||
| 67 | //////////////////////////////////////////// | ||
| 68 | |||
| 69 | void ProcTerminate(const mstring& path,int stime=2); | ||
| 70 | |||
| 71 | #endif | ||
| 72 | |||
