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// Copyright (C) 2023 Intel Corporation.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <string_view>
#include <errno.h>
#include <fcntl.h>
#include <sched.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/resource.h>
#include <unistd.h>
int main(int argc, char **argv)
{
if (argc < 2) {
printf("Usage: %s command [extra]\nSee source code for commands\n",
argv[0]);
return EXIT_FAILURE;
}
std::string_view cmd = argv[1];
errno = 0;
if (cmd.size() == 0) {
// just checking that we did get here
return EXIT_SUCCESS;
}
if (cmd == "reset-sighand") {
// confirm it was not ignored
struct sigaction action;
sigaction(SIGUSR1, nullptr, &action);
if (action.sa_handler == SIG_DFL)
return EXIT_SUCCESS;
fprintf(stderr, "SIGUSR1 is SIG_IGN\n");
return EXIT_FAILURE;
}
if (cmd == "ignore-sigpipe") {
// confirm it was ignored
struct sigaction action;
sigaction(SIGPIPE, nullptr, &action);
if (action.sa_handler == SIG_IGN)
return EXIT_SUCCESS;
fprintf(stderr, "SIGPIPE is SIG_DFL\n");
return EXIT_FAILURE;
}
if (cmd == "std-file-descriptors") {
int fd = atoi(argv[2]);
if (close(fd) < 0 && errno == EBADF)
return EXIT_SUCCESS;
fprintf(stderr, "%d is a valid file descriptor\n", fd);
return EXIT_FAILURE;
}
fprintf(stderr, "Unknown command \"%s\"", cmd.data());
return EXIT_FAILURE;
}
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