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Added CProcessStatisticsReader to avoid having to parse /proc/all (#35)
* Added CProcessStatisticsReader to avoid having to parse /proc/all * Took @awesomekling's feedbacks into account * Fixed indentation and replaced tabs by spaces
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5 changed files with 164 additions and 81 deletions
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@ -2,7 +2,7 @@
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#include <stdio.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <LibCore/CFile.h>
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#include <LibCore/CProcessStatisticsReader.h>
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#include <AK/AKString.h>
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static void print_usage_and_exit()
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@ -13,40 +13,16 @@ static void print_usage_and_exit()
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static int kill_all(const String& process_name, const unsigned signum)
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{
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CFile file("/proc/all");
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if (!file.open(CIODevice::ReadOnly)) {
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fprintf(stderr, "killall failed to open /proc/all\n");
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return 3;
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HashMap<pid_t, CProcessStatistics> processes = CProcessStatisticsReader().get_map();
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for (auto& it : processes) {
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if (it.value.name == process_name) {
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int ret = kill(it.value.pid, signum);
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if (ret < 0)
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perror("kill");
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}
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}
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for (;;) {
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auto line = file.read_line(1024);
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if (line.is_empty())
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break;
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auto chomped = String((const char*)line.pointer(), line.size() - 1, Chomp);
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auto parts = chomped.split_view(',');
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if (parts.size() < 18)
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break;
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bool ok = false;
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pid_t pid = parts[0].to_uint(ok);
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String name = parts[11];
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if (!ok) {
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fprintf(stderr, "killall failed : couldn't convert %s to a valid pid\n", parts[0].characters());
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return 4;
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}
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if (name == process_name) {
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int ret = kill(pid, signum);
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if (ret < 0)
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perror("kill");
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}
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}
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return 0;
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}
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@ -60,12 +36,12 @@ int main(int argc, char** argv)
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print_usage_and_exit();
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if (argc == 3) {
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name_argi = 2;
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name_argi = 2;
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if (argv[1][0] != '-')
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print_usage_and_exit();
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signum = String(&argv[1][1]).to_uint(ok);
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signum = String(&argv[1][1]).to_uint(ok);
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if (!ok) {
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printf("'%s' is not a valid signal number\n", &argv[1][1]);
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return 2;
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