- (djm) Add workaround for Linux 2.4's gratuitious errno change. Patch

[openssh.git] / next-posix.c

/*
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "includes.h"

#ifdef HAVE_NEXT
#include <errno.h>
#include <sys/wait.h>
#include "next-posix.h"

pid_t 
posix_wait(int *status)
{
	union wait statusp;
	pid_t wait_pid;

	#undef wait			/* Use NeXT's wait() function */
	wait_pid = wait(&statusp);
	status = (int *) statusp.w_status;

	return wait_pid;
}

pid_t
waitpid(int pid, int *stat_loc, int options)
{
	union wait statusp;
	pid_t wait_pid;

	if (pid <= 0) {
		if (pid != -1) {
			errno = EINVAL;
			return -1;
		}
		pid = 0;   /* wait4() wants pid=0 for indiscriminate wait. */
	}
        wait_pid = wait4(pid, &statusp, options, NULL);
        stat_loc = (int *)statusp.w_status;            
        return wait_pid;                               
}

int
tcgetattr(int fd, struct termios *t)
{
	return (ioctl(fd, TIOCGETA, t));
}

int
tcsetattr(int fd, int opt, const struct termios *t)
{
	struct termios localterm;

	if (opt & TCSASOFT) {
		localterm = *t;
		localterm.c_cflag |= CIGNORE;
		t = &localterm;
	}
	switch (opt & ~TCSASOFT) {
	case TCSANOW:
		return (ioctl(fd, TIOCSETA, t));
	case TCSADRAIN:
		return (ioctl(fd, TIOCSETAW, t));
	case TCSAFLUSH:
		return (ioctl(fd, TIOCSETAF, t));
	default:
		errno = EINVAL;
		return (-1);
	}
}

int tcsetpgrp(int fd, pid_t pgrp)
{
	return (ioctl(fd, TIOCSPGRP, &pgrp));
}

speed_t cfgetospeed(const struct termios *t)
{
	return (t->c_ospeed);
}

speed_t cfgetispeed(const struct termios *t)
{
	return (t->c_ispeed);
}

int
cfsetospeed(struct termios *t,int speed)
{
	t->c_ospeed = speed;
	return (0);
}

int
cfsetispeed(struct termios *t, int speed)
{
	t->c_ispeed = speed;
	return (0);
}
#endif /* HAVE_NEXT */