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Fix termination of child processes when the parent terminates

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This commit is contained in:
Cameron Gutman 2024-01-02 18:17:09 -06:00
parent 43992e7e9b
commit a01a15a54b
2 changed files with 17 additions and 12 deletions
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27
src/process.cpp
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@ -57,17 +57,22 @@ namespace proc {
return std::make_unique<deinit_t>();
}
/**
* @brief Terminates all child processes in a process group.
* @param proc The child process itself.
* @param group The group of all children in the process tree.
*/
void
process_end(bp::child &proc, bp::group &proc_handle) {
if (!proc.running()) {
return;
terminate_process_group(bp::child &proc, bp::group &group) {
if (group.valid()) {
BOOST_LOG(debug) << "Terminating child processes"sv;
group.terminate();
}
BOOST_LOG(debug) << "Force termination Child-Process"sv;
proc_handle.terminate();
// avoid zombie process
proc.wait();
if (proc.valid()) {
// avoid zombie process
proc.wait();
}
}
boost::filesystem::path
@ -220,7 +225,7 @@ namespace proc {
find_working_directory(_app.cmd, _env) :
boost::filesystem::path(_app.working_dir);
BOOST_LOG(info) << "Executing: ["sv << _app.cmd << "] in ["sv << working_dir << ']';
_process = platf::run_command(_app.elevated, true, _app.cmd, working_dir, _env, _pipe.get(), ec, &_process_handle);
_process = platf::run_command(_app.elevated, true, _app.cmd, working_dir, _env, _pipe.get(), ec, &_process_group);
if (ec) {
BOOST_LOG(warning) << "Couldn't run ["sv << _app.cmd << "]: System: "sv << ec.message();
return -1;
@ -260,9 +265,9 @@ namespace proc {
proc_t::terminate() {
std::error_code ec;
placebo = false;
process_end(_process, _process_handle);
terminate_process_group(_process, _process_group);
_process = bp::child();
_process_handle = bp::group();
_process_group = bp::group();
for (; _app_prep_it != _app_prep_begin; --_app_prep_it) {
auto &cmd = *(_app_prep_it - 1);

2
src/process.h
View File

@ -100,7 +100,7 @@ namespace proc {
bool placebo {};
boost::process::child _process;
boost::process::group _process_handle;
boost::process::group _process_group;
file_t _pipe;
std::vector<cmd_t>::const_iterator _app_prep_it;