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authorØyvind Harboe <oyvind.harboe@zylin.com>2010-08-01 09:35:58 +0200
committerØyvind Harboe <oyvind.harboe@zylin.com>2010-08-01 09:35:58 +0200
commit630fc86ee339aa400f58fe80cbc5a1926eb3ef39 (patch)
tree442a5b264ed4d97659e20603cfb9198c40826a1b /src/helper
parent8e9b12dc8a5964cfc43996f94488759258c0f1dc (diff)
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util: ms command to calculate length of operations
This can be used to calculate approximate RTCK frequency for instance. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Diffstat (limited to 'src/helper')
-rw-r--r--src/helper/Makefile.am4
-rw-r--r--src/helper/util.c62
-rw-r--r--src/helper/util.h27
3 files changed, 92 insertions, 1 deletions
diff --git a/src/helper/Makefile.am b/src/helper/Makefile.am
index 27ae1e20..cca5ac35 100644
--- a/src/helper/Makefile.am
+++ b/src/helper/Makefile.am
@@ -22,7 +22,8 @@ libhelper_la_SOURCES = \
command.c \
time_support.c \
replacements.c \
- fileio.c
+ fileio.c \
+ util.c
if IOUTIL
libhelper_la_SOURCES += ioutil.c
@@ -40,6 +41,7 @@ noinst_HEADERS = \
binarybuffer.h \
configuration.h \
ioutil.h \
+ util.h \
types.h \
log.h \
command.h \
diff --git a/src/helper/util.c b/src/helper/util.c
new file mode 100644
index 00000000..12b83f61
--- /dev/null
+++ b/src/helper/util.c
@@ -0,0 +1,62 @@
+/***************************************************************************
+ * Copyright (C) 2010 by Øyvind Harboe *
+ * *
+ * 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 of the License, 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., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+/* this file contains various functionality useful to standalone systems */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "log.h"
+#include "time_support.h"
+
+static int
+util_Jim_Command_ms(Jim_Interp *interp,
+ int argc,
+ Jim_Obj * const *argv)
+{
+ if (argc != 1)
+ {
+ Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
+ return JIM_ERR;
+ }
+
+ /* Cast from 64 to 32 bit int works for 2's-compliment
+ * when calculating differences*/
+ Jim_SetResult(interp, Jim_NewIntObj(interp, (int)timeval_ms()));
+
+ return JIM_OK;
+}
+
+static const struct command_registration util_command_handlers[] = {
+ // jim handlers
+ {
+ .name = "ms",
+ .mode = COMMAND_ANY,
+ .jim_handler = util_Jim_Command_ms,
+ .help = "Returns ever increasing milliseconds. Used to calculuate differences in time.",
+ .usage = "",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+int util_init(struct command_context *cmd_ctx)
+{
+ return register_commands(cmd_ctx, NULL, util_command_handlers);
+}
diff --git a/src/helper/util.h b/src/helper/util.h
new file mode 100644
index 00000000..267477ad
--- /dev/null
+++ b/src/helper/util.h
@@ -0,0 +1,27 @@
+/***************************************************************************
+ * Copyright (C) 2010 by Øyvind Harboe *
+ * *
+ * 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 of the License, 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., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#ifndef HELPER_UTILS_H
+#define HELPER_UTILS_H
+
+struct command_context;
+
+int util_init(struct command_context *cmd_ctx);
+
+#endif // HELPER_UTILS_H