77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 2014, The Android Open Source Project
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * 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.
|
|
* * Neither the name of Google, Inc. 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 COPYRIGHT HOLDERS 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
|
|
* COPYRIGHT OWNER 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 <stdio.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <sys/time.h>
|
|
#include <sys/resource.h>
|
|
|
|
static void
|
|
usage(const char *s)
|
|
{
|
|
fprintf(stderr, "usage: %s pid resource cur max\n", s);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
int prlimit_main(int argc, char *argv[])
|
|
{
|
|
pid_t pid;
|
|
struct rlimit64 rl;
|
|
int resource;
|
|
int rc;
|
|
|
|
if (argc != 5)
|
|
usage(*argv);
|
|
|
|
if (sscanf(argv[1], "%d", &pid) != 1)
|
|
usage(*argv);
|
|
|
|
if (sscanf(argv[2], "%d", &resource) != 1)
|
|
usage(*argv);
|
|
|
|
if (sscanf(argv[3], "%llu", &rl.rlim_cur) != 1)
|
|
usage(*argv);
|
|
|
|
if (sscanf(argv[4], "%llu", &rl.rlim_max) != 1)
|
|
usage(*argv);
|
|
|
|
printf("setting resource %d of pid %d to [%llu,%llu]\n", resource, pid,
|
|
rl.rlim_cur, rl.rlim_max);
|
|
rc = prlimit64(pid, resource, &rl, NULL);
|
|
if (rc < 0) {
|
|
perror("prlimit");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
return 0;
|
|
}
|