69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2011 Red Hat, Inc.
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* Copyright (C) 2021 Xie Ziyao <xieziyao@huawei.com>
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*/
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/*\
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* [Description]
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*
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* Child program executed by getrusage03.
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*/
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#define TST_NO_DEFAULT_MAIN
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#include <stdlib.h>
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#include "tst_test.h"
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#include "getrusage03.h"
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int main(int argc, char *argv[])
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{
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if (argc < 3)
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tst_brk(TFAIL, "argc is %d, expected more than two", argc);
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pid_t pid;
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struct rusage ru;
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long maxrss_self, maxrss_children;
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long consume_nr, grand_consume_nr, self_nr, child_nr;
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tst_reinit();
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if (!strcmp(argv[1], "consume")) {
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consume_nr = SAFE_STRTOL(argv[2], 0, LONG_MAX);
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consume_mb(consume_nr);
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} else if (!strcmp(argv[1], "grand_consume")) {
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grand_consume_nr = SAFE_STRTOL(argv[2], 0, LONG_MAX);
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pid = fork();
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if (pid == -1)
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tst_brk(TBROK, "fork failed");
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else if (pid == 0) {
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consume_mb(grand_consume_nr);
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exit(0);
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}
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tst_reap_children();
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} else if (!strcmp(argv[1], "compare")) {
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self_nr = SAFE_STRTOL(argv[2], 0, LONG_MAX);
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child_nr = SAFE_STRTOL(argv[3], 0, LONG_MAX);
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SAFE_GETRUSAGE(RUSAGE_SELF, &ru);
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maxrss_self = ru.ru_maxrss;
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SAFE_GETRUSAGE(RUSAGE_CHILDREN, &ru);
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maxrss_children = ru.ru_maxrss;
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if (is_in_delta(maxrss_self - self_nr))
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tst_res(TPASS, "initial.self ~= exec.self");
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else
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tst_res(TFAIL, "initial.self !~= exec.self");
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if (is_in_delta(maxrss_children - child_nr))
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tst_res(TPASS, "initial.children ~= exec.children");
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else
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tst_res(TFAIL, "initial.children !~= exec.children");
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}
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return 0;
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}
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