99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
/* $NetBSD: gcore.c,v 1.7 2004/01/05 23:23:34 jmmv Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2003 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Christos Zoulas.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``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 FOUNDATION OR CONTRIBUTORS
|
|
* 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 <sys/cdefs.h>
|
|
__RCSID("$NetBSD: gcore.c,v 1.7 2004/01/05 23:23:34 jmmv Exp $");
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/time.h>
|
|
#include <sys/ptrace.h>
|
|
#include <sys/proc.h>
|
|
|
|
#include <stdio.h>
|
|
#include <err.h>
|
|
#include <limits.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
static void usage(void) __attribute__((__noreturn__));
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
(void)fprintf(stderr, "usage: %s <pid> [<pid> ...]\n", getprogname());
|
|
exit(1);
|
|
}
|
|
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int c;
|
|
|
|
while ((c = getopt(argc, argv, "o:")) != -1)
|
|
switch (c) {
|
|
case 'o':
|
|
errx(1, "-o is not supported yet.");
|
|
/*NOTREACHED*/
|
|
case '?':
|
|
default:
|
|
usage();
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
if (optind == argc)
|
|
usage();
|
|
|
|
for (c = optind; c < argc; c++) {
|
|
char *ep;
|
|
long lval;
|
|
|
|
errno = 0;
|
|
lval = strtol(argv[c], &ep, 0);
|
|
if (argv[c] == '\0' || *ep)
|
|
errx(1, "`%s' is not a number.", argv[c]);
|
|
if (errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN))
|
|
err(1, "Pid `%s'", argv[c]);
|
|
if (ptrace(PT_DUMPCORE, (pid_t)lval, NULL, 0) == -1)
|
|
err(1, "ptrace(PT_DUMPCORE) failed");
|
|
}
|
|
return 0;
|
|
}
|