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sleep: Port to LibMain

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This commit is contained in:
alexmajor 2022-01-24 20:27:22 -05:00 • committed by Brian Gianforcaro
parent 55496ab7fb
commit a79e730839
2 changed files with 9 additions and 8 deletions
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14
Userland/Utilities/sleep.cpp
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@ -1,10 +1,13 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Alex Major
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ArgsParser.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
@ -18,23 +21,20 @@ static void handle_sigint(int)
g_interrupted = true;
}
int main(int argc, char** argv)
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
double secs;
Core::ArgsParser args_parser;
args_parser.add_positional_argument(secs, "Number of seconds to sleep for", "num-seconds");
args_parser.parse(argc, argv);
args_parser.parse(arguments);
struct sigaction sa;
memset(&sa, 0, sizeof(struct sigaction));
sa.sa_handler = handle_sigint;
sigaction(SIGINT, &sa, nullptr);
if (pledge("stdio sigaction", nullptr) < 0) {
perror("pledge");
return 1;
}
TRY(Core::System::pledge("stdio sigaction", nullptr));
double whole_seconds = static_cast<time_t>(secs);
double fraction = secs - whole_seconds;
@ -63,7 +63,7 @@ sleep_again:
outln("Sleep interrupted with {}.{} seconds remaining.", remaining_sleep.tv_sec, remaining_sleep.tv_nsec);
}
signal(SIGINT, SIG_DFL);
TRY(Core::System::signal(SIGINT, SIG_DFL));
if (g_interrupted)
raise(SIGINT);