ObjFW  Check-in [c9125d25d4]

				if (posix_spawnattr_setflags(&attr,
				    POSIX_SPAWN_CLOEXEC_DEFAULT) != 0)
					@throw [OFInitializationFailedException
					    exceptionWithClass: self.class];
# endif

				if (posix_spawnp(&_pid, path, &actions, &attr,
				    argv, env) != 0)
				    argv, (env != NULL ? env : environ)) != 0)
					@throw [OFInitializationFailedException
					    exceptionWithClass: self.class];
			} @finally {
				posix_spawn_file_actions_destroy(&actions);
				posix_spawnattr_destroy(&attr);
			}
#else
			if ((_pid = vfork()) == 0) {
				if (env != NULL)
				environ = env;
					environ = env;

				close(_readPipe[0]);
				close(_writePipe[1]);
				dup2(_writePipe[0], 0);
				dup2(_readPipe[1], 1);
				execvp(path, argv);