mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-11 09:18:05 +03:00
fdfda6dec2
Get rid of the weird old signature: - int StringType::to_int(bool& ok) const And replace it with sensible new signature: - Optional<int> StringType::to_int() const
91 lines
3.3 KiB
C++
91 lines
3.3 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. 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.
|
|
*
|
|
* 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 HOLDER 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 <AK/HashMap.h>
|
|
#include <AK/String.h>
|
|
#include <AK/Vector.h>
|
|
#include <LibCore/ArgsParser.h>
|
|
#include <LibCore/ProcessStatisticsReader.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
static int pid_of(const String& process_name, bool single_shot, bool omit_pid, pid_t pid)
|
|
{
|
|
bool displayed_at_least_one = false;
|
|
|
|
auto processes = Core::ProcessStatisticsReader().get_all();
|
|
|
|
for (auto& it : processes) {
|
|
if (it.value.name == process_name) {
|
|
if (!omit_pid || it.value.pid != pid) {
|
|
printf("%d ", it.value.pid);
|
|
displayed_at_least_one = true;
|
|
|
|
if (single_shot)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (displayed_at_least_one)
|
|
printf("\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
bool single_shot = false;
|
|
const char* omit_pid_value = nullptr;
|
|
const char* process_name = nullptr;
|
|
|
|
Core::ArgsParser args_parser;
|
|
args_parser.add_option(single_shot, "Only return one pid", nullptr, 's');
|
|
args_parser.add_option(omit_pid_value, "Omit the given PID, or the parent process if the special value %PPID is passed", nullptr, 'o', "pid");
|
|
args_parser.add_positional_argument(process_name, "Process name to search for", "process-name");
|
|
|
|
args_parser.parse(argc, argv);
|
|
|
|
pid_t pid_to_omit = 0;
|
|
if (omit_pid_value) {
|
|
if (!strcmp(omit_pid_value, "%PPID")) {
|
|
pid_to_omit = getppid();
|
|
} else {
|
|
auto number = StringView(omit_pid_value).to_uint();
|
|
if (!number.has_value()) {
|
|
fprintf(stderr, "Invalid value for -o\n");
|
|
args_parser.print_usage(stderr, argv[0]);
|
|
return 1;
|
|
}
|
|
pid_to_omit = number.value();
|
|
}
|
|
}
|
|
return pid_of(process_name, single_shot, omit_pid_value != nullptr, pid_to_omit);
|
|
}
|