[3.9] bpo-31938: Fix default-value signatures of several functions in the select module (GH-21066) (GH-21097)



(cherry picked from commit d051801052211b533c46a593b1c1bccf649a171c)

Automerge-Triggered-By: @vstinner
diff --git a/Misc/NEWS.d/next/Library/2020-06-22-20-08-40.bpo-31938.EVuko9.rst b/Misc/NEWS.d/next/Library/2020-06-22-20-08-40.bpo-31938.EVuko9.rst
new file mode 100644
index 0000000..0488e94
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2020-06-22-20-08-40.bpo-31938.EVuko9.rst
@@ -0,0 +1 @@
+Fix default-value signatures of several functions in the :mod:`select` module - by Anthony Sottile.
diff --git a/Modules/clinic/selectmodule.c.h b/Modules/clinic/selectmodule.c.h
index 888054b..c1072e6 100644
--- a/Modules/clinic/selectmodule.c.h
+++ b/Modules/clinic/selectmodule.c.h
@@ -65,7 +65,8 @@
 #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL))
 
 PyDoc_STRVAR(select_poll_register__doc__,
-"register($self, fd, eventmask=POLLIN | POLLPRI | POLLOUT, /)\n"
+"register($self, fd,\n"
+"         eventmask=select.POLLIN | select.POLLPRI | select.POLLOUT, /)\n"
 "--\n"
 "\n"
 "Register a file descriptor with the polling object.\n"
@@ -226,7 +227,8 @@
 #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
 
 PyDoc_STRVAR(select_devpoll_register__doc__,
-"register($self, fd, eventmask=POLLIN | POLLPRI | POLLOUT, /)\n"
+"register($self, fd,\n"
+"         eventmask=select.POLLIN | select.POLLPRI | select.POLLOUT, /)\n"
 "--\n"
 "\n"
 "Register a file descriptor with the polling object.\n"
@@ -275,7 +277,8 @@
 #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
 
 PyDoc_STRVAR(select_devpoll_modify__doc__,
-"modify($self, fd, eventmask=POLLIN | POLLPRI | POLLOUT, /)\n"
+"modify($self, fd,\n"
+"       eventmask=select.POLLIN | select.POLLPRI | select.POLLOUT, /)\n"
 "--\n"
 "\n"
 "Modify a possible already registered file descriptor.\n"
@@ -645,7 +648,8 @@
 #if defined(HAVE_EPOLL)
 
 PyDoc_STRVAR(select_epoll_register__doc__,
-"register($self, /, fd, eventmask=EPOLLIN | EPOLLPRI | EPOLLOUT)\n"
+"register($self, /, fd,\n"
+"         eventmask=select.EPOLLIN | select.EPOLLPRI | select.EPOLLOUT)\n"
 "--\n"
 "\n"
 "Registers a new fd or raises an OSError if the fd is already registered.\n"
@@ -1215,4 +1219,4 @@
 #ifndef SELECT_KQUEUE_CONTROL_METHODDEF
     #define SELECT_KQUEUE_CONTROL_METHODDEF
 #endif /* !defined(SELECT_KQUEUE_CONTROL_METHODDEF) */
-/*[clinic end generated code: output=029f23fbe000d7f7 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=ef42c3485a8fe3a0 input=a9049054013a1b77]*/
diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index 04e0067..fb71e91 100644
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -458,7 +458,7 @@
 
     fd: fildes
       either an integer, or an object with a fileno() method returning an int
-    eventmask: unsigned_short(c_default="POLLIN | POLLPRI | POLLOUT") = POLLIN | POLLPRI | POLLOUT
+    eventmask: unsigned_short(c_default="POLLIN | POLLPRI | POLLOUT") = select.POLLIN | select.POLLPRI | select.POLLOUT
       an optional bitmask describing the type of events to check for
     /
 
@@ -467,7 +467,7 @@
 
 static PyObject *
 select_poll_register_impl(pollObject *self, int fd, unsigned short eventmask)
-/*[clinic end generated code: output=0dc7173c800a4a65 input=f18711d9bb021e25]*/
+/*[clinic end generated code: output=0dc7173c800a4a65 input=34e16cfb28d3c900]*/
 {
     PyObject *key, *value;
     int err;
@@ -845,7 +845,7 @@
     fd: fildes
         either an integer, or an object with a fileno() method returning
         an int
-    eventmask: unsigned_short(c_default="POLLIN | POLLPRI | POLLOUT") = POLLIN | POLLPRI | POLLOUT
+    eventmask: unsigned_short(c_default="POLLIN | POLLPRI | POLLOUT") = select.POLLIN | select.POLLPRI | select.POLLOUT
         an optional bitmask describing the type of events to check for
     /
 
@@ -855,7 +855,7 @@
 static PyObject *
 select_devpoll_register_impl(devpollObject *self, int fd,
                              unsigned short eventmask)
-/*[clinic end generated code: output=6e07fe8b74abba0c input=5bd7cacc47a8ee46]*/
+/*[clinic end generated code: output=6e07fe8b74abba0c input=22006fabe9567522]*/
 {
     return internal_devpoll_register(self, fd, eventmask, 0);
 }
@@ -866,7 +866,7 @@
     fd: fildes
         either an integer, or an object with a fileno() method returning
         an int
-    eventmask: unsigned_short(c_default="POLLIN | POLLPRI | POLLOUT") = POLLIN | POLLPRI | POLLOUT
+    eventmask: unsigned_short(c_default="POLLIN | POLLPRI | POLLOUT") = select.POLLIN | select.POLLPRI | select.POLLOUT
         an optional bitmask describing the type of events to check for
     /
 
@@ -876,7 +876,7 @@
 static PyObject *
 select_devpoll_modify_impl(devpollObject *self, int fd,
                            unsigned short eventmask)
-/*[clinic end generated code: output=bc2e6d23aaff98b4 input=48a820fc5967165d]*/
+/*[clinic end generated code: output=bc2e6d23aaff98b4 input=09fa335db7cdc09e]*/
 {
     return internal_devpoll_register(self, fd, eventmask, 1);
 }
@@ -1475,7 +1475,7 @@
 
     fd: fildes
       the target file descriptor of the operation
-    eventmask: unsigned_int(c_default="EPOLLIN | EPOLLPRI | EPOLLOUT", bitwise=True) = EPOLLIN | EPOLLPRI | EPOLLOUT
+    eventmask: unsigned_int(c_default="EPOLLIN | EPOLLPRI | EPOLLOUT", bitwise=True) = select.EPOLLIN | select.EPOLLPRI | select.EPOLLOUT
       a bit set composed of the various EPOLL constants
 
 Registers a new fd or raises an OSError if the fd is already registered.
@@ -1486,7 +1486,7 @@
 static PyObject *
 select_epoll_register_impl(pyEpoll_Object *self, int fd,
                            unsigned int eventmask)
-/*[clinic end generated code: output=318e5e6386520599 input=6cf699c152dd8ca9]*/
+/*[clinic end generated code: output=318e5e6386520599 input=a5071b71edfe3578]*/
 {
     return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_ADD, fd, eventmask);
 }