Move wallclock() at the end.

may return the same time.

I had to move the static identifier code from unicodeobject.h to object.h in
order for this to work.

have it as a library function.

an actual function.

"oops" while rearranging the #defines.

Many lack readdir64, use readdir.  Only use readdir64 on solaris where
it is required to work around a solaris bug.

suboptimal by closing all possible file descriptors rather than just
the open ones in the child process before exec().

It now closes only the open fds when it is possible to safely determine what
those are.

suboptimal by closing all possible file descriptors rather than just
the open ones in the child process before exec().

It now closes only the open fds when it is possible to safely determine what
those are.

Issue #12922: fix the TextIOBase documentation to include a description of seek() and tell() methods.

Issue #12922: fix the TextIOBase documentation to include a description of seek() and tell() methods.