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/* $Id: osdep-darwin.c,v 1.5 2009-02-09 18:08:01 nicm Exp $ */
/*
* Copyright (c) 2009 Joshua Elsasser <josh@elsasser.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef __APPLE__
#include <sys/types.h>
#include <sys/sysctl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int osdep_get_name(int, char *, pid_t *, char **);
#define unused __attribute__ ((unused))
/*
* XXX This actually returns the executable path, not the process's argv[0].
* Anyone who wishes to complain about this is welcome to grab a copy of
* Apple's 'ps' source and start digging.
*/
int
osdep_get_name(int fd, unused char *tty, unused pid_t *last_pid, char **name)
{
int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, 0 };
size_t size;
struct kinfo_proc kp;
if ((mib[3] = tcgetpgrp(fd)) == -1)
return (NULL);
size = sizeof kp;
if (sysctl(mib, 4, &kp, &size, NULL, 0) == -1 ||
kp.kp_proc.p_comm[0] == '\0')
return (NULL);
return (strdup(kp.kp_proc.p_comm));
}
#endif
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