Line | Count | Source |
1 | | /* $OpenBSD$ */ |
2 | | |
3 | | /* |
4 | | * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com> |
5 | | * |
6 | | * Permission to use, copy, modify, and distribute this software for any |
7 | | * purpose with or without fee is hereby granted, provided that the above |
8 | | * copyright notice and this permission notice appear in all copies. |
9 | | * |
10 | | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
11 | | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
12 | | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
13 | | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
14 | | * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER |
15 | | * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
16 | | * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
17 | | */ |
18 | | |
19 | | #include <sys/types.h> |
20 | | #include <sys/stat.h> |
21 | | #include <sys/param.h> |
22 | | |
23 | | #include <stdio.h> |
24 | | #include <stdlib.h> |
25 | | #include <unistd.h> |
26 | | |
27 | | #include "tmux.h" |
28 | | |
29 | | char * |
30 | | osdep_get_name(int fd, __unused char *tty) |
31 | 0 | { |
32 | 0 | FILE *f; |
33 | 0 | char *path, *buf; |
34 | 0 | size_t len; |
35 | 0 | int ch; |
36 | 0 | pid_t pgrp; |
37 | |
|
38 | 0 | if ((pgrp = tcgetpgrp(fd)) == -1) |
39 | 0 | return (NULL); |
40 | | |
41 | 0 | xasprintf(&path, "/proc/%lld/cmdline", (long long) pgrp); |
42 | 0 | if ((f = fopen(path, "r")) == NULL) { |
43 | 0 | free(path); |
44 | 0 | return (NULL); |
45 | 0 | } |
46 | 0 | free(path); |
47 | |
|
48 | 0 | len = 0; |
49 | 0 | buf = NULL; |
50 | 0 | while ((ch = fgetc(f)) != EOF) { |
51 | 0 | if (ch == '\0') |
52 | 0 | break; |
53 | 0 | buf = xrealloc(buf, len + 2); |
54 | 0 | buf[len++] = ch; |
55 | 0 | } |
56 | 0 | if (buf != NULL) |
57 | 0 | buf[len] = '\0'; |
58 | |
|
59 | 0 | fclose(f); |
60 | 0 | return (buf); |
61 | 0 | } |
62 | | |
63 | | char * |
64 | | osdep_get_cwd(int fd) |
65 | 0 | { |
66 | 0 | static char target[MAXPATHLEN + 1]; |
67 | 0 | char *path; |
68 | 0 | pid_t pgrp, sid; |
69 | 0 | ssize_t n; |
70 | |
|
71 | 0 | if ((pgrp = tcgetpgrp(fd)) == -1) |
72 | 0 | return (NULL); |
73 | | |
74 | 0 | xasprintf(&path, "/proc/%lld/cwd", (long long) pgrp); |
75 | 0 | n = readlink(path, target, MAXPATHLEN); |
76 | 0 | free(path); |
77 | |
|
78 | 0 | if (n == -1 && ioctl(fd, TIOCGSID, &sid) != -1) { |
79 | 0 | xasprintf(&path, "/proc/%lld/cwd", (long long) sid); |
80 | 0 | n = readlink(path, target, MAXPATHLEN); |
81 | 0 | free(path); |
82 | 0 | } |
83 | |
|
84 | 0 | if (n > 0) { |
85 | 0 | target[n] = '\0'; |
86 | 0 | return (target); |
87 | 0 | } |
88 | 0 | return (NULL); |
89 | 0 | } |
90 | | |
91 | | struct event_base * |
92 | | osdep_event_init(void) |
93 | 2 | { |
94 | 2 | struct event_base *base; |
95 | | |
96 | | /* On Linux, epoll doesn't work on /dev/null (yes, really). */ |
97 | 2 | setenv("EVENT_NOEPOLL", "1", 1); |
98 | | |
99 | 2 | base = event_init(); |
100 | 2 | unsetenv("EVENT_NOEPOLL"); |
101 | 2 | return (base); |
102 | 2 | } |