[libc][NFC] Use more common variable naming convention
We were in between two styles when this file was initially checked in.
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@@ -35,50 +35,49 @@ int ProcessStatus::get_fatal_signal() const {
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return WTERMSIG(platform_defined);
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}
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ProcessStatus invoke_in_subprocess(FunctionCaller *Func, unsigned timeoutMS) {
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std::unique_ptr<FunctionCaller> X(Func);
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int pipeFDs[2];
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if (::pipe(pipeFDs) == -1)
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ProcessStatus invoke_in_subprocess(FunctionCaller *func, unsigned timeout_ms) {
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std::unique_ptr<FunctionCaller> X(func);
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int pipe_fds[2];
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if (::pipe(pipe_fds) == -1)
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return ProcessStatus::error("pipe(2) failed");
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// Don't copy the buffers into the child process and print twice.
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std::cout.flush();
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std::cerr.flush();
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pid_t Pid = ::fork();
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if (Pid == -1)
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pid_t pid = ::fork();
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if (pid == -1)
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return ProcessStatus::error("fork(2) failed");
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if (!Pid) {
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(*Func)();
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if (!pid) {
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(*func)();
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std::exit(0);
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}
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::close(pipeFDs[1]);
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::close(pipe_fds[1]);
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struct pollfd pollFD {
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pipeFDs[0], 0, 0
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struct pollfd poll_fd {
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pipe_fds[0], 0, 0
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};
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// No events requested so this call will only return after the timeout or if
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// the pipes peer was closed, signaling the process exited.
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if (::poll(&pollFD, 1, timeoutMS) == -1)
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if (::poll(&poll_fd, 1, timeout_ms) == -1)
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return ProcessStatus::error("poll(2) failed");
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// If the pipe wasn't closed by the child yet then timeout has expired.
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if (!(pollFD.revents & POLLHUP)) {
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::kill(Pid, SIGKILL);
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if (!(poll_fd.revents & POLLHUP)) {
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::kill(pid, SIGKILL);
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return ProcessStatus::timed_out_ps();
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}
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int WStatus = 0;
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int wstatus = 0;
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// Wait on the pid of the subprocess here so it gets collected by the system
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// and doesn't turn into a zombie.
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pid_t status = ::waitpid(Pid, &WStatus, 0);
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pid_t status = ::waitpid(pid, &wstatus, 0);
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if (status == -1)
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return ProcessStatus::error("waitpid(2) failed");
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assert(status == Pid);
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(void)status;
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return {WStatus};
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assert(status == pid);
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return {wstatus};
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}
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const char *signal_as_string(int Signum) { return ::strsignal(Signum); }
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const char *signal_as_string(int signum) { return ::strsignal(signum); }
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} // namespace testutils
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} // namespace __llvm_libc
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