1 files changed, 77 insertions, 0 deletions
diff --git a/cpukit/libmisc/shell/main_blksync.c b/cpukit/libmisc/shell/main_blksync.c
new file mode 100644
index 0000000000..bf8369570e
--- /dev/null
+++ b/cpukit/libmisc/shell/main_blksync.c
@@ -0,0 +1,77 @@
+/*
+ *  RM Shell Command Implmentation
+ *
+ *  Author: Fernando RUIZ CASAS
+ *  Work: fernando.ruiz@ctv.es
+ *  Home: correo@fernando-ruiz.com
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#include <rtems.h>
+#include <rtems/shell.h>
+#include <rtems/bdbuf.h>
+#include <rtems/blkdev.h>
+#include "internal.h"
+
+int rtems_shell_main_blksync(
+  int argc,
+  char *argv[]
+)
+{
+  const char* driver = NULL;
+  int         arg;
+  int         fd;
+
+  for (arg = 1; arg < argc; arg++) {
+    if (argv[arg][0] == '-') {
+      fprintf( stderr, "%s: invalid option: %s\n", argv[0], argv[arg]);
+      return 1;
+    } else {
+      if (!driver)
+        driver = argv[arg];
+      else {
+        fprintf( stderr, "%s: only one driver name allowed: %s\n",
+          argv[0], argv[arg]);
+        return 1;
+      }
+    }
+  }
+
+  fd = open (driver, O_WRONLY, 0);
+  if (fd < 0) {
+    fprintf( stderr, "%s: driver open failed: %s\n", argv[0], strerror (errno));
+    return 1;
+  }
+
+  if (ioctl (fd, RTEMS_BLKIO_SYNCDEV) < 0) {
+    fprintf( stderr, "%s: driver sync failed: %s\n", argv[0], strerror (errno));
+    return 1;
+  }
+
+  close (fd);
+  return 0;
+}
+
+rtems_shell_cmd_t rtems_shell_BLKSYNC_Command = {
+  "blksync",                                 /* name */
+  "blksync driver # sync the block driver",  /* usage */
+  "files",                                   /* topic */
+  rtems_shell_main_blksync,                  /* command */
+  NULL,                                      /* alias */
+  NULL                                       /* next */
+};