Function StartSpawnProcessHelper

lib/base/process.cpp:343–381

}

static void StartSpawnProcessHelper()
{
	if (l_ProcessControlFD != -1) {
		(void)close(l_ProcessControlFD);

		int status;
		(void)waitpid(l_ProcessControlPID, &status, 0);
	}

	int controlFDs[2];
	if (socketpair(AF_UNIX, SOCK_STREAM, 0, controlFDs) < 0) {
		BOOST_THROW_EXCEPTION(posix_error()
			<< boost::errinfo_api_function("socketpair")
			<< boost::errinfo_errno(errno));
	}

	pid_t pid = fork();

	if (pid < 0) {
		BOOST_THROW_EXCEPTION(posix_error()
			<< boost::errinfo_api_function("fork")
			<< boost::errinfo_errno(errno));
	}

	if (pid == 0) {
		(void)close(controlFDs[1]);

		l_ProcessControlFD = controlFDs[0];

		ProcessHandler();

		_exit(1);
	}

	(void)close(controlFDs[0]);

	l_ProcessControlFD = controlFDs[1];
	l_ProcessControlPID = pid;
}

static pid_t ProcessSpawn(const std::vector<String>& arguments, const Dictionary::Ptr& extraEnvironment, bool adjustPriority, int fds[3])
{