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Cygwin: AF_UNIX: socketpair: set blocking mode earlier

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Call set_nonblocking before creating the pipe so that the pipe is
created with the correct blocking mode.

Also call set_pipe_non_blocking on the second socket so that the
client end of the pipe has the correct blocking mode.  This also makes
sure that the client end of the pipe is set to message mode for
reading.
This commit is contained in:
Ken Brown 2020-10-28 09:49:43 -04:00
parent 7563d755f4
commit d662a977f9
1 changed files with 8 additions and 7 deletions
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15
winsup/cygwin/fhandler_socket_unix.cc
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@ -1506,6 +1506,13 @@ fhandler_socket_unix::socketpair (int af, int type, int protocol, int flags,
set_ino (get_unique_id ());
/* create and connect pipe */
gen_pipe_name ();
set_flags (O_RDWR | O_BINARY);
fh->set_flags (O_RDWR | O_BINARY);
if (flags & SOCK_NONBLOCK)
{
set_nonblocking (true);
fh->set_nonblocking (true);
}
ph = create_pipe (true);
if (!ph)
goto create_pipe_failed;
@ -1519,18 +1526,12 @@ fhandler_socket_unix::socketpair (int af, int type, int protocol, int flags,
goto fh_open_pipe_failed;
fh->set_handle (ph2);
fh->connect_state (connected);
set_flags (O_RDWR | O_BINARY);
fh->set_flags (O_RDWR | O_BINARY);
if (flags & SOCK_NONBLOCK)
{
set_nonblocking (true);
fh->set_nonblocking (true);
}
if (flags & SOCK_CLOEXEC)
{
set_close_on_exec (true);
fh->set_close_on_exec (true);
}
fh->set_pipe_non_blocking (fh->is_nonblocking ());
return 0;
fh_open_pipe_failed: