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.

Illumos.  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).