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tmux 2.4

    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: }