* Copyright (c) 1989 The Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
"@(#) Copyright (c) 1989 The Regents of the University of California.\n\
static char sccsid
[] = "@(#)nohup.c 5.3 (Berkeley) %G%";
if (isatty(STDOUT_FILENO
))
if (isatty(STDERR_FILENO
) && dup2(STDOUT_FILENO
, STDERR_FILENO
) == -1) {
/* may have just closed stderr */
(void)fprintf(stdin
, "nohup: %s\n", strerror(errno
));
(void)signal(SIGHUP
, SIG_IGN
);
(void)signal(SIGQUIT
, SIG_IGN
);
execvp(argv
[1], &argv
[1]);
"nohup: %s: %s\n", argv
[1], strerror(errno
));
char *p
, path
[MAXPATHLEN
];
char *getenv(), *strcpy(), *strcat(), *strerror();
#define FILENAME "nohup.out"
if ((fd
= open(p
, O_RDWR
|O_CREAT
, 0600)) >= 0)
if (p
= getenv("HOME")) {
(void)strcat(path
, FILENAME
);
if ((fd
= open(p
= path
, O_RDWR
|O_CREAT
, 0600)) >= 0)
(void)fprintf(stderr
, "nohup: can't open a nohup.out file.\n");
dupit
: (void)lseek(fd
, 0L, SEEK_END
);
if (dup2(fd
, STDOUT_FILENO
) == -1) {
(void)fprintf(stderr
, "nohup: %s\n", strerror(errno
));
(void)fprintf(stderr
, "sending output to %s\n", p
);
(void)fprintf(stderr
, "usage: nohup command\n");