Merge pull request #2255 from ghaerr/owcnet

[owc libc] Add alarm, accept, bind, connect, socket system calls for OWC libc

libc/watcom/syscall/accept.c

@@ -0,0 +1,19 @@
+/****************************************************************************
+*
+* Description:  ELKS accept() system call.
+*
+****************************************************************************/
+
+#include <sys/socket.h>
+#include "watcom/syselks.h"
+
+
+int accept(int __sock, struct sockaddr * restrict __address,
+    socklen_t * restrict __address_len)
+{
+    sys_setseg(__address);
+    sys_setseg(__address_len);
+    syscall_res res = sys_call3(SYS_accept, __sock, (unsigned)__address,
+        (unsigned)__address_len);
+    __syscall_return(int, res);
+}

libc/watcom/syscall/alarm.c

@@ -0,0 +1,41 @@
+/****************************************************************************
+*
+*                            Open Watcom Project
+*
+* Copyright (c) 2002-2019 The Open Watcom Contributors. All Rights Reserved.
+*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
+*
+*  ========================================================================
+*
+*    This file contains Original Code and/or Modifications of Original
+*    Code as defined in and that are subject to the Sybase Open Watcom
+*    Public License version 1.0 (the 'License'). You may not use this file
+*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
+*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
+*    provided with the Original Code and Modifications, and is also
+*    available at www.sybase.com/developer/opensource.
+*
+*    The Original Code and all software distributed under the License are
+*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
+*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
+*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
+*    NON-INFRINGEMENT. Please see the License for the specific language
+*    governing rights and limitations under the License.
+*
+*  ========================================================================
+*
+* Description:  ELKS alarm() system call.
+*
+****************************************************************************/
+
+
+#include <unistd.h>
+#include "watcom/syselks.h"
+
+
+unsigned int alarm( unsigned int __seconds )
+{
+    syscall_res res = sys_call1( SYS_alarm, __seconds );
+    __syscall_return( unsigned, res );
+}

libc/watcom/syscall/bind.c

@@ -0,0 +1,16 @@
+/****************************************************************************
+*
+* Description:  ELKS bind() system call.
+*
+****************************************************************************/
+
+#include <sys/socket.h>
+#include "watcom/syselks.h"
+
+
+int bind(int __sock, const struct sockaddr *__address, socklen_t __address_len)
+{
+    sys_setseg(__address);
+    syscall_res res = sys_call3(SYS_bind, __sock, (unsigned)__address, __address_len);
+    __syscall_return(int, res);
+}

libc/watcom/syscall/connect.c

@@ -0,0 +1,16 @@
+/****************************************************************************
+*
+* Description:  ELKS connect() system call.
+*
+****************************************************************************/
+
+#include <sys/socket.h>
+#include "watcom/syselks.h"
+
+
+int connect(int __sock, const struct sockaddr *__address, socklen_t __address_len)
+{
+    sys_setseg(__address);
+    syscall_res res = sys_call3(SYS_connect, __sock, (unsigned)__address, __address_len);
+    __syscall_return(int, res);
+}

libc/watcom/syscall/socket.c

@@ -0,0 +1,15 @@
+/****************************************************************************
+*
+* Description:  ELKS socket() system call.
+*
+****************************************************************************/
+
+#include <sys/socket.h>
+#include "watcom/syselks.h"
+
+
+int socket(int __domain, int __type, int __protocol)
+{
+    syscall_res res = sys_call3(SYS_socket, __domain, __type, __protocol);
+    __syscall_return(int, res);
+}