expressions.

Original patch by Serhiy Storchaka.

with an exception set. This new assertion helps to understand if the exception
was already set before calling the function or raised by the function.

allocation failure

os.remove() with support.unlink()

support.unlink()

support.rmtree() and support.unlink() in test_zipfile & test_tarfile

call check_ssl_verifiy(), so only test_connect_using_sslcontext_verified() is
skipped if smtp.gmail.com cannot be joined, not the whole file.

check_ssl_verifiy(), so only test_connect_using_sslcontext_verified() is
skipped if smtp.gmail.com cannot be joined, not the whole file.

sem_open implementation is broken (ex: skipped on FreeBSD 6.4).

implementation is broken (ex: skipped on FreeBSD 6.4).

than 8.0

Original patch by Lita Cho.

the monotonic test

threading.Lock.acquire(), threading.RLock.acquire() and socket operations now
use a monotonic clock, instead of the system clock, when a timeout is used.

Ensure also that the tv_usec field is consistent: in range [0; 999999].

This platform exposes the function ioctl(FIOCLEX), but calling it fails with
errno is ENOTTY: "Inappropriate ioctl for device". set_inheritable() now falls
back to the slower fcntl() (F_GETFD and then F_SETFD).

Original patch by Josh Lynn.