configure: add gettid() test
authorJens Axboe <axboe@kernel.dk>
Wed, 22 May 2019 23:12:55 +0000 (17:12 -0600)
committerJens Axboe <axboe@kernel.dk>
Wed, 22 May 2019 23:12:55 +0000 (17:12 -0600)
commitde5ed0e4d398bc9d4576f9b2b82d7686989c27e1
tree2308beb179774d659e27095db6eebad3f581a376
parenta7760ecdb13394819b719f3f8181cc74c3d4affa
configure: add gettid() test

Apparently some newer glibcs now have it, decades after the
fact.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
configure
os/os-dragonfly.h
os/os-linux.h
os/os-mac.h
os/os-netbsd.h
os/os-openbsd.h
os/os-solaris.h
os/os-windows.h
os/os.h