diff options
Diffstat (limited to 'toolbox')
-rw-r--r-- | toolbox/Android.mk | 1 | ||||
-rw-r--r-- | toolbox/prlimit.c | 76 |
2 files changed, 77 insertions, 0 deletions
diff --git a/toolbox/Android.mk b/toolbox/Android.mk index 319b39f..3bd7523 100644 --- a/toolbox/Android.mk +++ b/toolbox/Android.mk @@ -135,6 +135,7 @@ OUR_TOOLS := \ newfs_msdos \ notify \ ps \ + prlimit \ renice \ restorecon \ route \ diff --git a/toolbox/prlimit.c b/toolbox/prlimit.c new file mode 100644 index 0000000..8cf202a --- /dev/null +++ b/toolbox/prlimit.c @@ -0,0 +1,76 @@ +/* + * 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; +} |