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66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* $Id: osdep-sunos.c,v 1.2 2009-10-15 07:11:25 nicm Exp $ */
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/*
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* Copyright (c) 2009 Todd Carson <toc@daybefore.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <procfs.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "tmux.h"
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char *
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osdep_get_name(int fd, char *tty)
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{
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struct psinfo p;
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struct stat st;
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char *path;
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ssize_t bytes;
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int f;
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pid_t pgrp;
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if ((f = open(tty, O_RDONLY)) < 0)
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return (NULL);
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if ((fstat(f, &st) != 0) ||
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(ioctl(f, TIOCGPGRP, &pgrp) != 0)) {
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close(f);
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return (NULL);
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}
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close(f);
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xasprintf(&path, "/proc/%hu/psinfo", pgrp);
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f = open(path, O_RDONLY);
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xfree(path);
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if (f < 0)
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return (NULL);
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bytes = read(f, &p, sizeof(p));
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close(f);
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if (bytes != sizeof(p))
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return (NULL);
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if (p.pr_ttydev != st.st_rdev)
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return (NULL);
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return (xstrdup(p.pr_fname));
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}
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