Break into several files

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@300 42af7a65-404d-4744-a932-0658087f49c3

examples/nsh/Makefile

@@ -40,7 +40,7 @@ MKDEP	= $(TOPDIR)/tools/mkdeps.sh
 
 ASRCS	= 
 AOBJS	= $(ASRCS:.S=$(OBJEXT))
-CSRCS	= nsh_main.c
+CSRCS	= nsh_main.c nsh_fscmds.c nsh_proccmds.c
 COBJS	= $(CSRCS:.c=$(OBJEXT))
 
 SRCS	= $(ASRCS) $(CSRCS)

examples/nsh/nsh.h

@@ -0,0 +1,89 @@
+/****************************************************************************
+ * nsh.h
+ *
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __NSH_H
+#define __HSH_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+#define errno (*get_errno_ptr())
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+typedef void (*cmd_t)(int argc, char **argv);
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+extern const char g_fmtargrequired[];
+extern const char g_fmtarginvalid[];
+extern const char g_fmtcmdnotfound[];
+extern const char g_fmtcmdnotimpl[];
+extern const char g_fmtnosuch[];
+extern const char g_fmttoomanyargs[];
+extern const char g_fmtcmdfailed[];
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#if CONFIG_NFILE_DESCRIPTORS > 0
+void cmd_cat(int argc, char **argv);
+#endif
+void cmd_exec(int argc, char **argv);
+#if CONFIG_NFILE_DESCRIPTORS > 0
+void cmd_ls(int argc, char **argv);
+#endif
+#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0
+void cmd_mkdir(int argc, char **argv);
+void cmd_mount(int argc, char **argv);
+#endif
+void cmd_ps(int argc, char **argv);
+#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0
+void cmd_umount(int argc, char **argv);
+#endif
+
+#endif /* __NSH_H */

examples/nsh/nsh_proccmds.c

@@ -0,0 +1,162 @@
+/****************************************************************************
+ * nsh_proccmds.c
+ *
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sched.h>
+
+#if 0
+#include <unistd.h>
+#include <limits.h>
+#include <string.h>
+#include <errno.h>
+#endif
+
+#include "nsh.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+typedef void (*exec_t)(void);
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static const char *g_statenames[] =
+{
+  "INVALID ",
+  "PENDING ",
+  "READY   ", 
+  "RUNNING ", 
+  "INACTIVE", 
+  "WAITSEM ", 
+#ifndef CONFIG_DISABLE_MQUEUE
+  "WAITSIG ", 
+#endif
+#ifndef CONFIG_DISABLE_MQUEUE
+  "MQNEMPTY", 
+  "MQNFULL "
+#endif
+};
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: ps_task
+ ****************************************************************************/
+
+static void ps_task(FAR _TCB *tcb, FAR void *arg)
+{
+  boolean needcomma = FALSE;
+  int i;
+  printf("%5d %3d %4s %7s%c%c %8s ",
+         tcb->pid, tcb->sched_priority,
+         tcb->flags & TCB_FLAG_ROUND_ROBIN ? "RR  " : "FIFO",
+         tcb->flags & TCB_FLAG_PTHREAD ? "PTHREAD" : "TASK   ",
+         tcb->flags & TCB_FLAG_NONCANCELABLE ? 'N' : ' ',
+         tcb->flags & TCB_FLAG_CANCEL_PENDING ? 'P' : ' ',
+         g_statenames[tcb->task_state]);
+
+  printf("%s(", tcb->argv[0]);
+  for (i = 1; i < CONFIG_MAX_TASK_ARGS+1 && tcb->argv[i]; i++)
+    {
+      if (needcomma)
+        {
+          printf(", %p", tcb->argv[i]);
+        }
+      else
+        {
+          printf("%p", tcb->argv[i]);
+        }
+     }
+  printf(")\n");
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: cmd_exec
+ ****************************************************************************/
+
+void cmd_exec(int argc, char **argv)
+{
+  char *endptr;
+  long addr;
+
+  addr = strtol(argv[1], &endptr, 0);
+  if (!addr || endptr == argv[1] || *endptr != '\0')
+    {
+       printf(g_fmtarginvalid, argv[0]);
+       return;
+    }
+
+  printf("Calling %p\n", (exec_t)addr);
+  ((exec_t)addr)();
+}
+
+/****************************************************************************
+ * Name: cmd_ps
+ ****************************************************************************/
+
+void cmd_ps(int argc, char **argv)
+{
+  printf("PID   PRI SCHD TYPE   NP STATE    NAME\n");
+  sched_foreach(ps_task, NULL);
+}