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Tell std::system_error() which function failed #23

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Merged
ryanofsky merged 1 commit into from
Mar 4, 2020
Merged

Tell std::system_error() which function failed #23

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6 changes: 3 additions & 3 deletions src/mp/util.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -99,15 +99,15 @@ int SpawnProcess(int& pid, FdToArgsFn&& fd_to_args)
{
int fds[2];
if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds) != 0) {
throw std::system_error(errno, std::system_category());
throw std::system_error(errno, std::system_category(), "socketpair");
}

pid = fork();
if (pid == -1) {
throw std::system_error(errno, std::system_category(), "fork");
}
if (close(fds[pid ? 0 : 1]) != 0) {
throw std::system_error(errno, std::system_category());
throw std::system_error(errno, std::system_category(), "close");
}
if (!pid) {
int maxFd = MaxFd();
Expand Down Expand Up @@ -138,7 +138,7 @@ int WaitProcess(int pid)
{
int status;
if (::waitpid(pid, &status, 0 /* options */) != pid) {
throw std::system_error(errno, std::system_category());
throw std::system_error(errno, std::system_category(), "waitpid");
}
return status;
}
Expand Down