Annotation of embedaddon/tmux/osdep-darwin.c, revision 1.1.1.1
1.1 misho 1: /* $OpenBSD$ */
2:
3: /*
4: * Copyright (c) 2009 Joshua Elsasser <josh@elsasser.org>
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/sysctl.h>
21:
22: #include <Availability.h>
23: #include <event.h>
24: #include <libproc.h>
25: #include <stdlib.h>
26: #include <string.h>
27: #include <unistd.h>
28:
29: char *osdep_get_name(int, char *);
30: char *osdep_get_cwd(int);
31: struct event_base *osdep_event_init(void);
32:
33: #define __unused __attribute__ ((__unused__))
34:
35: char *
36: osdep_get_name(int fd, __unused char *tty)
37: {
38: #ifdef __MAC_10_7
39: struct proc_bsdshortinfo bsdinfo;
40: pid_t pgrp;
41: int ret;
42:
43: if ((pgrp = tcgetpgrp(fd)) == -1)
44: return (NULL);
45:
46: ret = proc_pidinfo(pgrp, PROC_PIDT_SHORTBSDINFO, 0,
47: &bsdinfo, sizeof bsdinfo);
48: if (ret == sizeof bsdinfo && *bsdinfo.pbsi_comm != '\0')
49: return (strdup(bsdinfo.pbsi_comm));
50: #else
51: int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, 0 };
52: size_t size;
53: struct kinfo_proc kp;
54:
55: if ((mib[3] = tcgetpgrp(fd)) == -1)
56: return (NULL);
57:
58: size = sizeof kp;
59: if (sysctl(mib, 4, &kp, &size, NULL, 0) == -1)
60: return (NULL);
61: if (*kp.kp_proc.p_comm == '\0')
62: return (NULL);
63:
64: return (strdup(kp.kp_proc.p_comm));
65: #endif
66: }
67:
68: char *
69: osdep_get_cwd(int fd)
70: {
71: static char wd[PATH_MAX];
72: struct proc_vnodepathinfo pathinfo;
73: pid_t pgrp;
74: int ret;
75:
76: if ((pgrp = tcgetpgrp(fd)) == -1)
77: return (NULL);
78:
79: ret = proc_pidinfo(pgrp, PROC_PIDVNODEPATHINFO, 0,
80: &pathinfo, sizeof pathinfo);
81: if (ret == sizeof pathinfo) {
82: strlcpy(wd, pathinfo.pvi_cdir.vip_path, sizeof wd);
83: return (wd);
84: }
85: return (NULL);
86: }
87:
88: struct event_base *
89: osdep_event_init(void)
90: {
91: /*
92: * On OS X, kqueue and poll are both completely broken and don't
93: * work on anything except socket file descriptors (yes, really).
94: */
95: setenv("EVENT_NOKQUEUE", "1", 1);
96: setenv("EVENT_NOPOLL", "1", 1);
97: return (event_init());
98: }
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