mirror of https://github.com/tmux/tmux.git
84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
/* $Id: forkpty-irix.c,v 1.2 2008-09-26 06:45:28 nicm Exp $ */
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/*
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* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.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/ioctl.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <signal.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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pid_t
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forkpty(int *master,
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unused char *name, unused struct termios *tio, struct winsize *ws)
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{
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int slave, fd;
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char *path;
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pid_t pid;
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void *old;
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path = _getpty(master, O_RDWR, 0622, 0);
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if (path == NULL)
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goto out;
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if ((slave = open(path, O_RDWR|O_NOCTTY)) == -1)
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goto out;
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switch (pid = fork()) {
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case -1:
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goto out;
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case 0:
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close(*master);
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setsid();
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old = signal(SIGHUP, SIG_IGN);
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vhangup();
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signal(SIGHUP, old);
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if ((fd = open(path, O_RDWR)) == -1)
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fatal("open failed");
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close(slave);
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slave = fd;
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if (ioctl(slave, TIOCSWINSZ, ws) == -1)
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fatal("ioctl failed");
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dup2(slave, 0);
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dup2(slave, 1);
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dup2(slave, 2);
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if (slave > 2)
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close(slave);
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return (0);
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}
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close(slave);
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return (pid);
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out:
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if (*master != -1)
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close(*master);
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if (slave != -1)
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close(slave);
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return (-1);
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}
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