Added the OS files

18 files changed, 1093 insertions, 0 deletions

diff --git a/ecos/packages/net/tcpip/current/src/lib/accept.c b/ecos/packages/net/tcpip/current/src/lib/accept.c
new file mode 100644
index 0000000..c2844e1
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/accept.c
@@ -0,0 +1,52 @@
+//==========================================================================
+//
+//      lib/accept.c
+//
+//      accept() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+accept(int s, const struct sockaddr *name, socklen_t *anamelen)
+{
+    struct sys_accept_args args;
+    int res, error;
+    SYSCALLARG(args,s) = s;
+    SYSCALLARG(args,name) = (struct sockaddr *)name;
+    SYSCALLARG(args,anamelen) = anamelen;
+    error = sys_accept(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return res;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/bind.c b/ecos/packages/net/tcpip/current/src/lib/bind.c
new file mode 100644
index 0000000..994bc6c
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/bind.c
@@ -0,0 +1,52 @@
+//==========================================================================
+//
+//      lib/bind.c
+//
+//      bind() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+bind(int s, const struct sockaddr *name, socklen_t namelen)
+{
+    struct sys_bind_args args;
+    int res, error;
+    SYSCALLARG(args,s) = s;
+    SYSCALLARG(args,name) = name;
+    SYSCALLARG(args,namelen) = namelen;
+    error = sys_bind(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return 0;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/close.c b/ecos/packages/net/tcpip/current/src/lib/close.c
new file mode 100644
index 0000000..7cf8f4e
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/close.c
@@ -0,0 +1,52 @@
+//==========================================================================
+//
+//      lib/close.c
+//
+//      close() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+close(int fd)
+{
+    int error;
+    struct file *fp;
+    if (getfp(fd, &fp))
+        return (EBADF);
+    error = (*fp->f_ops->fo_close)(fp);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        ffree(fp);
+        return 0;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/connect.c b/ecos/packages/net/tcpip/current/src/lib/connect.c
new file mode 100644
index 0000000..10ec5c7
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/connect.c
@@ -0,0 +1,52 @@
+//==========================================================================
+//
+//      lib/connect.c
+//
+//      connect() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+connect(int s, const struct sockaddr *name, socklen_t namelen)
+{
+    struct sys_connect_args args;
+    int res, error;
+    SYSCALLARG(args,s) = s;
+    SYSCALLARG(args,name) = name;
+    SYSCALLARG(args,namelen) = namelen;
+    error = sys_connect(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return 0;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/getpeername.c b/ecos/packages/net/tcpip/current/src/lib/getpeername.c
new file mode 100644
index 0000000..45eefc2
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/getpeername.c
@@ -0,0 +1,52 @@
+//==========================================================================
+//
+//      lib/getpeername.c
+//
+//      getpeername() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+getpeername(int s, const struct sockaddr *name, socklen_t *namelen)
+{
+    struct sys_getpeername_args args;
+    int res, error;
+    SYSCALLARG(args,fdes) = s;
+    SYSCALLARG(args,asa) = (struct sockaddr *)name;
+    SYSCALLARG(args,alen) = namelen;
+    error = sys_getpeername(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return 0;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/getsockname.c b/ecos/packages/net/tcpip/current/src/lib/getsockname.c
new file mode 100644
index 0000000..32044f9
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/getsockname.c
@@ -0,0 +1,52 @@
+//==========================================================================
+//
+//      lib/getsockname.c
+//
+//      getsockname() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+getsockname(int s, const struct sockaddr *name, socklen_t *namelen)
+{
+    struct sys_getsockname_args args;
+    int res, error;
+    SYSCALLARG(args,fdes) = s;
+    SYSCALLARG(args,asa) = (struct sockaddr *)name;
+    SYSCALLARG(args,alen) = namelen;
+    error = sys_getsockname(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return 0;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/getsockopt.c b/ecos/packages/net/tcpip/current/src/lib/getsockopt.c
new file mode 100644
index 0000000..22e2b70
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/getsockopt.c
@@ -0,0 +1,54 @@
+//==========================================================================
+//
+//      lib/getsockopt.c
+//
+//      getsockopt() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+getsockopt(int s, int level, int name, void *val, socklen_t *avalsize)
+{
+    struct sys_getsockopt_args args;
+    int res, error;
+    SYSCALLARG(args,s) = s;
+    SYSCALLARG(args,level) = level;
+    SYSCALLARG(args,name) = name;
+    SYSCALLARG(args,val) = val;
+    SYSCALLARG(args,avalsize) = avalsize;
+    error = sys_getsockopt(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return 0;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/ioctl.c b/ecos/packages/net/tcpip/current/src/lib/ioctl.c
new file mode 100644
index 0000000..7af846c
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/ioctl.c
@@ -0,0 +1,52 @@
+//==========================================================================
+//
+//      lib/ioctl.c
+//
+//      ioctl() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+ioctl(int fd, u_long cmd, void *data)
+{
+    struct sys_ioctl_args args;
+    int res, error;
+    SYSCALLARG(args,fd) = fd;
+    SYSCALLARG(args,com) = cmd;
+    SYSCALLARG(args,data) = data;
+    error = sys_ioctl(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return 0;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/listen.c b/ecos/packages/net/tcpip/current/src/lib/listen.c
new file mode 100644
index 0000000..fc489da
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/listen.c
@@ -0,0 +1,51 @@
+//==========================================================================
+//
+//      lib/listen.c
+//
+//      listen() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+listen(int s, int backlog)
+{
+    struct sys_listen_args args;
+    int res, error;
+    SYSCALLARG(args,s) = s;
+    SYSCALLARG(args,backlog) = backlog;
+    error = sys_listen(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return 0;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/read.c b/ecos/packages/net/tcpip/current/src/lib/read.c
new file mode 100644
index 0000000..a9d59ab
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/read.c
@@ -0,0 +1,52 @@
+//==========================================================================
+//
+//      lib/read.c
+//
+//      read() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+read(int fd, void *buf, size_t len)
+{
+    struct sys_read_args args;
+    int res, error;
+    SYSCALLARG(args,fd) = fd;
+    SYSCALLARG(args,buf) = buf;
+    SYSCALLARG(args,nbyte) = len;
+    error = sys_read(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return res;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/recv.c b/ecos/packages/net/tcpip/current/src/lib/recv.c
new file mode 100644
index 0000000..39866c1
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/recv.c
@@ -0,0 +1,42 @@
+//==========================================================================
+//
+//      lib/recv.c
+//
+//      recv() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas,andrew.lunn@ascom.ch
+// Contributors: gthomas
+// Date:         2001-11-01
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+extern ssize_t recvfrom (int, void *, size_t, int, struct sockaddr *, socklen_t *);
+
+ssize_t	
+recv(int s, void *buf, size_t buflen, int flags)
+{
+    
+    return(recvfrom(s,buf,buflen,flags,NULL,0));
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/recvfrom.c b/ecos/packages/net/tcpip/current/src/lib/recvfrom.c
new file mode 100644
index 0000000..63c1b27
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/recvfrom.c
@@ -0,0 +1,56 @@
+//==========================================================================
+//
+//      lib/recvfrom.c
+//
+//      recvfrom() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+ssize_t	
+recvfrom(int s, const void *buf, size_t buflen, 
+       int flags, const struct sockaddr *from, socklen_t *fromlen)
+{
+    struct sys_recvfrom_args args;
+    int res, error;
+    SYSCALLARG(args,s) = s;
+    SYSCALLARG(args,buf) = (void *)buf;
+    SYSCALLARG(args,len) = buflen;
+    SYSCALLARG(args,flags) = flags; 
+    SYSCALLARG(args,from) = (struct sockaddr *)from;
+    SYSCALLARG(args,fromlenaddr) = fromlen;
+    error = sys_recvfrom(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return res;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/select.c b/ecos/packages/net/tcpip/current/src/lib/select.c
new file mode 100644
index 0000000..9316913
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/select.c
@@ -0,0 +1,209 @@
+//==========================================================================
+//
+//      lib/select.c
+//
+//      'select()' system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  eCos implementation of 'select()' system call
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <cyg/kernel/kapi.h>
+#include <sys/select.h>
+#include <sys/bsdselect.h>
+
+static cyg_flag_t select_flag;
+static cyg_bool   select_flag_init = false;
+#define SELECT_WAKE  0x01
+#define SELECT_ABORT 0x02
+
+//
+// Private function which does all the work for 'select()'
+//
+static int
+_cyg_select(int nfd, fd_set *in, fd_set *out, fd_set *ex,
+            struct timeval *tv, cyg_bool_t abortable)
+{
+    int fd, mode, num, ticks;
+    struct file *fp;
+    fd_set in_res, out_res, ex_res;  // Result sets
+    fd_set *selection[3], *result[3];
+    cyg_tick_count_t now, then;
+    int mode_type[] = {FREAD, FWRITE, 0};
+    cyg_flag_value_t flag, wait_flag;
+
+    // Note: since this is called by application programs, it needs no protection
+    if (!select_flag_init) {
+        select_flag_init = true;
+        cyg_flag_init(&select_flag);
+    }
+    wait_flag = SELECT_WAKE;
+    if (abortable) wait_flag |= SELECT_ABORT;
+    FD_ZERO(&in_res);
+    FD_ZERO(&out_res);
+    FD_ZERO(&ex_res);
+    // Set up sets
+    selection[0] = in;   result[0] = &in_res;
+    selection[1] = out;  result[1] = &out_res;
+    selection[2] = ex;   result[2] = &ex_res;
+    // Compute end time
+    if (tv) {
+        now = cyg_current_time();
+        ticks = (tv->tv_sec * 100) + (tv->tv_usec / 10000);
+        then = now + ticks;
+    } else {
+        then = 0;  // Compiler warnings :-(
+        ticks = 0;
+    }
+    // Scan sets for possible I/O until something found, timeout or error.
+    while (true) {
+        num = 0;  // Total file descriptors "ready"
+
+        cyg_scheduler_lock(); // Scan the list atomically wrt electing to sleep
+
+        for (mode = 0;  mode < 3;  mode++) {
+            if (selection[mode]) {
+                for (fd = 0;  fd < nfd;  fd++) {
+                    if (FD_ISSET(fd, selection[mode])) {
+                        if (getfp(fd, &fp)) {
+                            cyg_scheduler_unlock(); // return.
+                            errno = EBADF;
+                            return -1;
+                        }
+                        if ((*fp->f_ops->fo_select)(fp, mode_type[mode])) {
+                            FD_SET(fd, result[mode]);
+                            num++;
+                        }
+                    }
+                }
+            }
+        }
+        if (num) {
+
+            cyg_scheduler_unlock(); // Happy, about to return.
+
+            // Found something, update user's sets
+            if (in) {
+                memcpy(in, &in_res, sizeof(in_res));
+            }
+            if (out) {
+                memcpy(out, &out_res, sizeof(out_res));
+            }
+            if (ex) {
+                memcpy(ex, &ex_res, sizeof(ex_res));
+            }
+            return num;
+        }
+        // Nothing found, see if we want to wait
+        if (tv) {
+            if (ticks == 0) {
+                // Special case of "poll"
+                cyg_scheduler_unlock(); // About to return.
+                return 0;
+            }
+            flag = cyg_flag_timed_wait(&select_flag, wait_flag,
+                                       CYG_FLAG_WAITMODE_OR,
+                                       then);
+        } else {
+            // Wait forever (until something happens)
+            flag = cyg_flag_wait(&select_flag, wait_flag,
+                                 CYG_FLAG_WAITMODE_OR);
+        }
+
+        cyg_scheduler_unlock(); // waited atomically
+
+        if (flag & SELECT_ABORT) {
+            errno = EINTR;
+            return -1;
+        }
+        if (!flag) {
+            return 0; // meaning no activity, ergo timeout occurred
+        }
+    }
+    errno = ENOSYS;
+    return -1;
+}
+
+//
+// This function is called by the lower layers to record the
+// fact that a particular 'select' event is being requested.
+//
+void        
+selrecord(void *selector, struct selinfo *info)
+{
+    // Unused by this implementation
+}
+
+//
+// This function is called to indicate that a 'select' event
+// may have occurred.
+//
+void    
+selwakeup(struct selinfo *info)
+{
+    // Need these ops to be atomic to make sure the clear occurs -
+    // otherwise a higher prio thread could hog the CPU when its fds are
+    // not ready, but the flag is (already) set, or set for someone else.
+    cyg_scheduler_lock();
+    cyg_flag_setbits(&select_flag, SELECT_WAKE);
+    cyg_flag_maskbits(&select_flag,    0      ); // clear all
+    cyg_scheduler_unlock();
+}
+
+//
+// The public function used by 'normal' programs.  This interface does not allow
+// the 'select()' to be externally interrupted.
+//
+int
+select(int nfd, fd_set *in, fd_set *out, fd_set *ex,
+       struct timeval *tv)
+{
+    return _cyg_select(nfd, in, out, ex, tv, false);
+}
+
+//
+// The public function used by programs which wish to allow interruption,
+// using the 'cyg_select_abort()' function below.
+//
+int
+cyg_select_with_abort(int nfd, fd_set *in, fd_set *out, fd_set *ex,
+                      struct timeval *tv)
+{
+    return _cyg_select(nfd, in, out, ex, tv, true);
+}
+
+//
+// This function can be called by the user to forceably abort any
+// current selects.
+//
+void
+cyg_select_abort(void)
+{
+    // See comments in selwakeup()...
+    cyg_scheduler_lock();
+    cyg_flag_setbits(&select_flag, SELECT_ABORT); 
+    cyg_flag_maskbits(&select_flag,    0       );
+    cyg_scheduler_unlock();
+}
+
+
diff --git a/ecos/packages/net/tcpip/current/src/lib/sendto.c b/ecos/packages/net/tcpip/current/src/lib/sendto.c
new file mode 100644
index 0000000..d319150
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/sendto.c
@@ -0,0 +1,56 @@
+//==========================================================================
+//
+//      lib/sendto.c
+//
+//      sendto() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+ssize_t	
+sendto(int s, const void *buf, size_t buflen, 
+       int flags, const struct sockaddr *to, socklen_t tolen)
+{
+    struct sys_sendto_args args;
+    int res, error;
+    SYSCALLARG(args,s) = s;
+    SYSCALLARG(args,buf) = buf;
+    SYSCALLARG(args,len) = buflen;
+    SYSCALLARG(args,flags) = flags;
+    SYSCALLARG(args,to) = to;
+    SYSCALLARG(args,tolen) = tolen;
+    error = sys_sendto(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return res;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/setsockopt.c b/ecos/packages/net/tcpip/current/src/lib/setsockopt.c
new file mode 100644
index 0000000..88902f0
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/setsockopt.c
@@ -0,0 +1,54 @@
+//==========================================================================
+//
+//      lib/setsockopt.c
+//
+//      setsockopt() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+setsockopt(int s, int level, int name, const void *val, socklen_t valsize)
+{
+    struct sys_setsockopt_args args;
+    int res, error;
+    SYSCALLARG(args,s) = s;
+    SYSCALLARG(args,level) = level;
+    SYSCALLARG(args,name) = name;
+    SYSCALLARG(args,val) = val;
+    SYSCALLARG(args,valsize) = valsize;
+    error = sys_setsockopt(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return 0;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/shutdown.c b/ecos/packages/net/tcpip/current/src/lib/shutdown.c
new file mode 100644
index 0000000..a8956eb
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/shutdown.c
@@ -0,0 +1,51 @@
+//==========================================================================
+//
+//      lib/shutdown.c
+//
+//      shutdown() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+shutdown(int s, int how)
+{
+    struct sys_shutdown_args args;
+    int res, error;
+    SYSCALLARG(args,s) = s;
+    SYSCALLARG(args,how) = how;
+    error = sys_shutdown(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return 0;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/socket.c b/ecos/packages/net/tcpip/current/src/lib/socket.c
new file mode 100644
index 0000000..f92c225
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/socket.c
@@ -0,0 +1,52 @@
+//==========================================================================
+//
+//      lib/socket.c
+//
+//      socket() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+socket(int domain, int type, int protocol)
+{
+    struct sys_socket_args args;
+    int res, error;
+    SYSCALLARG(args,domain) = domain;
+    SYSCALLARG(args,type) = type;
+    SYSCALLARG(args,protocol) = protocol;
+    error = sys_socket(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return res;
+    }
+}
diff --git a/ecos/packages/net/tcpip/current/src/lib/write.c b/ecos/packages/net/tcpip/current/src/lib/write.c
new file mode 100644
index 0000000..0667631
--- /dev/null
+++ b/ecos/packages/net/tcpip/current/src/lib/write.c
@@ -0,0 +1,52 @@
+//==========================================================================
+//
+//      lib/write.c
+//
+//      write() system call
+//
+//==========================================================================
+// ####BSDALTCOPYRIGHTBEGIN####                                             
+// -------------------------------------------                              
+// Portions of this software may have been derived from OpenBSD             
+// or other sources, and if so are covered by the appropriate copyright     
+// and license included herein.                                             
+// -------------------------------------------                              
+// ####BSDALTCOPYRIGHTEND####                                               
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <sys/param.h>
+#include <cyg/io/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/syscallargs.h>
+
+int 
+write(int fd, const void *buf, size_t len)
+{
+    struct sys_write_args args;
+    int res, error;
+    SYSCALLARG(args,fd) = fd;
+    SYSCALLARG(args,buf) = buf;
+    SYSCALLARG(args,nbyte) = len;
+    error = sys_write(&args, &res);
+    if (error) {
+        errno = error;
+        return -1;
+    } else {
+        return res;
+    }
+}