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Kovid Goyal
2018-03-08 13:37:56 +05:30
parent 1b84064e5f
commit 964ffadc8e
1 changed files with 7 additions and 2 deletions
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9
kitty/utils.py
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@@ -280,6 +280,12 @@ def parse_address_spec(spec):
return family, address, socket_path
def make_fd_non_blocking(fd):
oldfl = fcntl.fcntl(fd, fcntl.F_GETFL)
fcntl.fcntl(fd, fcntl.F_SETFL, oldfl | os.O_NONBLOCK)
return oldfl
@contextmanager
def non_blocking_read(src=sys.stdin):
import termios
@@ -289,8 +295,7 @@ def non_blocking_read(src=sys.stdin):
if src.isatty():
old = termios.tcgetattr(fd)
tty.setraw(fd)
oldfl = fcntl.fcntl(fd, fcntl.F_GETFL)
fcntl.fcntl(fd, fcntl.F_SETFL, oldfl | os.O_NONBLOCK)
oldfl = make_fd_non_blocking(fd)
yield fd
if src.isatty():
termios.tcsetattr(fd, termios.TCSADRAIN, old)