*/
class Subprocess;
class ProcessReturnCode {
- friend class Subprocess;
public:
enum State {
// Subprocess starts in the constructor, so this state designates only
NOT_STARTED,
RUNNING,
EXITED,
- KILLED
+ KILLED,
};
+ static ProcessReturnCode makeNotStarted() {
+ return ProcessReturnCode(RV_NOT_STARTED);
+ }
+
+ static ProcessReturnCode makeRunning() {
+ return ProcessReturnCode(RV_RUNNING);
+ }
+
+ static ProcessReturnCode make(int status);
+
// Default-initialized for convenience. Subprocess::returnCode() will
// never produce this value.
- ProcessReturnCode() : ProcessReturnCode(RV_NOT_STARTED) {}
+ ProcessReturnCode() : rawStatus_(RV_NOT_STARTED) {}
// Trivially copyable
ProcessReturnCode(const ProcessReturnCode& p) = default;
std::vector<ChildPipe> takeOwnershipOfPipes();
private:
- static const int RV_RUNNING = ProcessReturnCode::RV_RUNNING;
- static const int RV_NOT_STARTED = ProcessReturnCode::RV_NOT_STARTED;
-
// spawn() sets up a pipe to read errors from the child,
// then calls spawnInternal() to do the bulk of the work. Once
// spawnInternal() returns it reads the error pipe to see if the child
size_t findByChildFd(const int childFd) const;
pid_t pid_{-1};
- ProcessReturnCode returnCode_{RV_NOT_STARTED};
+ ProcessReturnCode returnCode_;
/**
* Represents a pipe between this process, and the child process (or its