code = process_obj._bootstrap()
os._exit(code)
+ # `w` will be closed when the child exits, at which point `r`
+ # will become ready for reading (using e.g. select()).
+ os.close(w)
+ util.Finalize(self, os.close, (r,))
+
def poll(self, flag=os.WNOHANG):
if self.returncode is None:
- try:
- pid, sts = os.waitpid(self.pid, flag)
- except os.error:
- # Child process not yet created. See #1731717
- # e.errno == errno.ECHILD == 10
- return None
+ while True:
+ try:
+ pid, sts = os.waitpid(self.pid, flag)
+ except os.error as e:
+ if e.errno == errno.EINTR:
+ continue
+ # Child process not yet created. See #1731717
+ # e.errno == errno.ECHILD == 10
+ return None
+ else:
+ break
if pid == self.pid:
if os.WIFSIGNALED(sts):
self.returncode = -os.WTERMSIG(sts)