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89 lines
1.5 KiB
89 lines
1.5 KiB
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2016 Linux Test Project
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*/
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define TST_NO_DEFAULT_MAIN
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#include "tst_test.h"
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static void print_help(void)
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{
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printf("Usage: tst_checkpoint wait TIMEOUT ID\n");
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printf(" or: tst_checkpoint wake TIMEOUT ID NR_WAKE\n");
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printf(" TIMEOUT - timeout in ms\n");
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printf(" ID - checkpoint id\n");
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printf(" NR_WAKE - number of processes to wake up\n");
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}
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static int get_val(const char *name, const char *arg, unsigned int *val)
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{
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unsigned long temp;
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char *e;
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errno = 0;
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temp = strtoul(arg, &e, 10);
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if (errno || (e == arg) || (temp > UINT_MAX)) {
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fprintf(stderr, "ERROR: Invalid %s '%s'\n",
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name, arg);
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return -1;
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}
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*val = temp;
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return 0;
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}
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int main(int argc, char *argv[])
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{
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unsigned int id, timeout, nr_wake;
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int ret;
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int type;
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if (argc < 3)
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goto help;
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if (!strcmp(argv[1], "wait")) {
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type = 0;
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if (argc != 4)
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goto help;
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} else if (!strcmp(argv[1], "wake")) {
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type = 1;
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if (argc != 5)
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goto help;
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if (get_val("NR_WAKE", argv[4], &nr_wake))
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goto help;
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} else {
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fprintf(stderr, "ERROR: Invalid COMMAND '%s'\n",
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argv[1]);
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goto help;
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}
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if (get_val("TIMEOUT", argv[2], &timeout)
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|| get_val("ID", argv[3], &id)) {
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goto help;
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}
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tst_reinit();
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if (type)
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ret = tst_checkpoint_wake(id, nr_wake, timeout);
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else
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ret = tst_checkpoint_wait(id, timeout);
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if (ret)
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return 1;
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else
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return 0;
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help:
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print_help();
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return 1;
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}
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