_check_dump_tracebacks_later() to avoid failures if the system is slow.

the file descriptor of a pipe closed in the parent process is valid in the
child process according to fstat(), but the mode of the file descriptor is
invalid, and read or write raise an error.

test.support.requires_mac_ver() is now a decorator, as suggested by Ezio
Melotti, and its docstring is fixed (linux_version => mac_ver).

descriptor of a pipe closed in the parent process is valid in the child process
according to fstat(), but the mode of the file descriptor is invalid, and read
or write raise an error.

Add also requires_mac_ver() decorator to test.support.

Add also linux_version() to __all__.

if the constructor has failed, e.g. because of an undeclared keyword argument.
Patch written by Oleg Oshmyan.

constructor has failed, e.g. because of an undeclared keyword argument. Patch
written by Oleg Oshmyan.

This change makes configure check for
- the existence of a hg repository
- the hg executable itself
- the python executable

Running $(srcdir)/Parser/asdl_c.py (i.e. ASDLGEN) will fail if any of
the above prerequisites is missing, so we now disable it instead.

closes #12225

io.BufferedReader._peek_unlocked(). Patch written by John O'Connor.

Tthe signal delivery order is not portable or reliable.

iso2022_jp, iso2022_jp_2 and iso2022_kr

iso2022_jp, iso2022_jp_2 and iso2022_kr

fgets(). Fix the following case: sys.stdin.read() stopped with CTRL+d (end of
file), raw_input() interrupted by CTRL+c.

the following case: sys.stdin.read() stopped with CTRL+d (end of file),
raw_input() interrupted by CTRL+c.

message

threading.get_ident() and document it. This function was used by
_thread.get_ident().