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authorMiles Bader <miles@gnu.org>1995-07-01 22:56:16 +0000
committerMiles Bader <miles@gnu.org>1995-07-01 22:56:16 +0000
commit163756cd7dcc89865c26534727f7965e7026b6b5 (patch)
treee428efd0a7105cbfdcb5eab28896609b47049b2d /pflocal
parent591500f950da66769f2fa271389bcb673f1a0098 (diff)
Formerly sock.c.~2~
Diffstat (limited to 'pflocal')
-rw-r--r--pflocal/sock.c80
1 files changed, 66 insertions, 14 deletions
diff --git a/pflocal/sock.c b/pflocal/sock.c
index 21fce3ac..968ec460 100644
--- a/pflocal/sock.c
+++ b/pflocal/sock.c
@@ -1,32 +1,84 @@
+/* Sock functions
-/* Returns the pipe that SOCKET is reading from, locked and with an
- additional reference, or NULL if it has none. SOCKET mustn't be locked. */
+ Copyright (C) 1995 Free Software Foundation, Inc.
+
+ Written by Miles Bader <miles@gnu.ai.mit.edu>
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "pflocal.h"
+
+/* ---------------------------------------------------------------- */
+
+/* Returns the pipe that SOCK is reading from, locked and with an
+ additional reference, or NULL if it has none. SOCK mustn't be locked. */
struct pipe *
-socket_aquire_read_pipe (struct socket *socket)
+sock_aquire_read_pipe (struct sock *sock)
{
struct pipe *pipe;
- mutex_lock (&socket->lock);
- pipe = user->socket->read_pipe;
+ mutex_lock (&sock->lock);
+ pipe = user->sock->read_pipe;
if (pipe != NULL)
- pipe_aquire (pipe); /* Do this before unlocking the socket! */
- mutex_unlock (&socket->lock);
+ pipe_aquire (pipe); /* Do this before unlocking the sock! */
+ mutex_unlock (&sock->lock);
return pipe;
}
-/* Returns the pipe that SOCKET is writing from, locked and with an
- additional reference, or NULL if it has none. SOCKET mustn't be locked. */
+/* Returns the pipe that SOCK is writing from, locked and with an
+ additional reference, or NULL if it has none. SOCK mustn't be locked. */
struct pipe *
-socket_aquire_write_pipe (struct socket *socket)
+sock_aquire_write_pipe (struct sock *sock)
{
struct pipe *pipe;
- mutex_lock (&socket->lock);
- pipe = user->socket->write_pipe;
+ mutex_lock (&sock->lock);
+ pipe = user->sock->write_pipe;
if (pipe != NULL)
- pipe_aquire (pipe); /* Do this before unlocking the socket! */
- mutex_unlock (&socket->lock);
+ pipe_aquire (pipe); /* Do this before unlocking the sock! */
+ mutex_unlock (&sock->lock);
return pipe;
}
+
+error_t
+sock_create (int type, struct sock *result)
+{
+ static unsigned next_sock_id = 0;
+ struct sock *sock = malloc (sizeof (struct sock));
+
+ if (sock == NULL)
+ return ENOMEM;
+
+ sock->refs = 0;
+ sock->read_pipe = sock->write_pipe = NULL;
+ sock->id = next_sock_id++;
+ bzero (&sock->change_time, sizeof (sock->change_time));
+ mutex_init (&sock->lock);
+
+ switch (type)
+ {
+ case SOCK_STREAM:
+ sock->pipe_ops = stream_pipe_ops; break;
+ case SOCK_DGRAM:
+ sock->pipe_ops = dgram_pipe_ops; break;
+ default:
+ free (sock);
+ return ESOCKTNOSUPPORT;
+ }
+
+ return 0;
+}