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fix(hydra-eval-jobs.cc): add function to report pid status

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This commit is contained in:
Kayla Firestack 2022-04-14 11:03:10 -04:00
parent 5c90edd19f
commit cb4fa0000f
1 changed files with 22 additions and 0 deletions
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22
src/hydra-eval-jobs/hydra-eval-jobs.cc
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@ -25,6 +25,28 @@
#include <nlohmann/json.hpp>
void check_pid_status_quick(pid_t check_pid) {
// Only check 'initialized' and known PID's
if (check_pid <= 0) { return; }
int wstatus = 0;
pid_t pid = waitpid(check_pid, &wstatus, WNOHANG);
// -1 = failiure, WNOHANG: 0 = no change
if (pid <= 0) { return; }
std::cerr << "child process (" << pid << ") ";
if (WIFEXITED(wstatus)) {
std::cerr << "exited with status=" << WEXITSTATUS(wstatus) << std::endl;
} else if (WIFSIGNALED(wstatus)) {
std::cerr << "killed by signal=" << WTERMSIG(wstatus) << std::endl;
} else if (WIFSTOPPED(wstatus)) {
std::cerr << "stopped by signal=" << WSTOPSIG(wstatus) << std::endl;
} else if (WIFCONTINUED(wstatus)) {
std::cerr << "continued" << std::endl;
}
}
using namespace nix;
static Path gcRootsDir;