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author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-03-26 13:24:24 +0000 |
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committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-03-26 13:24:24 +0000 |
commit | ec1a4b5a521b5adf295bc757c25231910f8c854b (patch) | |
tree | 2f04035c23cdfa09839e6bcd09216558582ea565 | |
parent | af1c84360f08f2ee32799ba266b0c384dde68173 (diff) | |
download | busybox-w32-ec1a4b5a521b5adf295bc757c25231910f8c854b.tar.gz busybox-w32-ec1a4b5a521b5adf295bc757c25231910f8c854b.tar.bz2 busybox-w32-ec1a4b5a521b5adf295bc757c25231910f8c854b.zip |
pidfile.c: not used anymore
BTW, previous change removed pidfile locking, -700 code (static compile)
-rw-r--r-- | networking/udhcp/pidfile.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/networking/udhcp/pidfile.c b/networking/udhcp/pidfile.c deleted file mode 100644 index be65d5fc9..000000000 --- a/networking/udhcp/pidfile.c +++ /dev/null | |||
@@ -1,60 +0,0 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* pidfile.c | ||
3 | * | ||
4 | * Functions to assist in the writing and removing of pidfiles. | ||
5 | * | ||
6 | * Russ Dill <Russ.Dill@asu.edu> September 2001 | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License as published by | ||
10 | * the Free Software Foundation; either version 2 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
21 | */ | ||
22 | |||
23 | #include "common.h" | ||
24 | |||
25 | |||
26 | static const char *saved_pidfile; | ||
27 | |||
28 | static void pidfile_delete(void) | ||
29 | { | ||
30 | if (saved_pidfile) unlink(saved_pidfile); | ||
31 | } | ||
32 | |||
33 | |||
34 | int pidfile_acquire(const char *pidfile) | ||
35 | { | ||
36 | int pid_fd; | ||
37 | if (!pidfile) return -1; | ||
38 | |||
39 | pid_fd = open(pidfile, O_CREAT|O_WRONLY|O_TRUNC, 0644); | ||
40 | if (pid_fd < 0) { | ||
41 | bb_perror_msg("cannot open pidfile %s", pidfile); | ||
42 | } else { | ||
43 | lockf(pid_fd, F_LOCK, 0); | ||
44 | if (!saved_pidfile) | ||
45 | atexit(pidfile_delete); | ||
46 | saved_pidfile = pidfile; | ||
47 | } | ||
48 | |||
49 | return pid_fd; | ||
50 | } | ||
51 | |||
52 | |||
53 | void pidfile_write_release(int pid_fd) | ||
54 | { | ||
55 | if (pid_fd < 0) return; | ||
56 | |||
57 | fdprintf(pid_fd, "%d\n", getpid()); | ||
58 | lockf(pid_fd, F_UNLCK, 0); | ||
59 | close(pid_fd); | ||
60 | } | ||