[pisa-src] r1066 - in trunk: . tools
- From: René Hummen <rene.hummen@xxxxxxxxxxxxxx>
- To: pisa-src@xxxxxxxxxxxxx
- Date: Thu, 08 Oct 2009 18:50:09 +0200
Author: hummen
Date: Thu Oct 8 18:50:08 2009
New Revision: 1066
Log:
added msleep as I didn't find a package (debian) for high precision
sleep...once again
Added:
trunk/tools/Makefile.am
trunk/tools/msleep.c
Modified:
trunk/Makefile.am
trunk/configure.ac
Modified: trunk/Makefile.am
==============================================================================
--- trunk/Makefile.am Thu Oct 8 18:39:11 2009 (r1065)
+++ trunk/Makefile.am Thu Oct 8 18:50:08 2009 (r1066)
@@ -13,7 +13,7 @@
EXTRA_DIST += tools/writeff.pl tools/tunnel/screamer.rb
EXTRA_DIST += tools/tunnel/seteth1address
-SUBDIRS = libpisa pairing performance pisacd pisand pisasd test pisabeacon
+SUBDIRS = libpisa pairing performance pisacd pisand pisasd test pisabeacon
tools
SUBDIRS += community-operator # has to be enabled for compilation on openwrt
pisaincludedir=$(includedir)
Modified: trunk/configure.ac
==============================================================================
--- trunk/configure.ac Thu Oct 8 18:39:11 2009 (r1065)
+++ trunk/configure.ac Thu Oct 8 18:50:08 2009 (r1066)
@@ -184,6 +184,8 @@
AC_SUBST(PISA_PISASD_INCLUDES, "$PISA_PISASD")
AC_SUBST(PISA_PISABEACON, "$TOPSRC/pisabeacon")
AC_SUBST(PISA_PISABEACON_INCLUDES, "$PISA_PISABEACON")
+AC_SUBST(PISA_TOOLS, "$TOPSRC/tools")
+AC_SUBST(PISA_TOOLS_INCLUDES, "$PISA_TOOLS")
@@ -216,6 +218,7 @@
test/Makefile
community-operator/Makefile
performance/Makefile
+ tools/Makefile
Makefile])
AC_OUTPUT
Added: trunk/tools/Makefile.am
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ trunk/tools/Makefile.am Thu Oct 8 18:50:08 2009 (r1066)
@@ -0,0 +1,19 @@
+# Copyright (c) 2008, Distributed Systems Group, RWTH Aachen
+# All rights reserved.
+#
+# Author: Rene Hummen <hummen@xxxxxxxxxxxxxxxxx>
+
+AUTOMAKE_OPTIONS = foreign
+
+CFLAGS = -Wall -g
+INCLUDES = -I$(PISA_COMMON_INCLUDES)
+
+sbin_PROGRAMS = msleep
+
+pisalsddir = .
+
+LDADD =
+LDFLAGS = @LDFLAGS@
+
+LDADD += -lm
+msleep_SOURCES = msleep.c
Added: trunk/tools/msleep.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ trunk/tools/msleep.c Thu Oct 8 18:50:08 2009 (r1066)
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2009, Distributed Systems Group, RWTH Aachen
+ * All rights reserved.
+ */
+
+/**
+ * @file usleep.c
+ * @brief Provides similar functionality to sleep with higher precision.
+ * @author Ren� Hummen <hummen@xxxxxxxxxxxxxxxxx>
+ * @date 08.10.2009
+ */
+
+#include <ctype.h> /* isprint() */
+#include <stdio.h> /* printf(), ... */
+#include <stdlib.h> /* atoi() */
+#include <getopt.h> /* command line parsing */
+#include <unistd.h> /* usleep */
+
+#define DEFAULT_MSECS 100000
+#define USEC_TO_MSEC 1000
+
+useconds_t get_msecs_from_args(const int argc, char *argv[]);
+
+
+int main(int argc, char *argv[])
+{
+ useconds_t msecs = 0;
+
+ msecs = get_msecs_from_args(argc, argv);
+
+ if (usleep(msecs))
+ printf("failed to msleep\n");
+
+ exit(0);
+}
+
+useconds_t get_msecs_from_args(const int argc, char *argv[])
+{
+ int c = 0;
+ useconds_t msecs = DEFAULT_MSECS;
+
+ while ((c = getopt(argc, argv, "hi:")) != -1)
+ {
+ switch (c)
+ {
+ case 'h':
+ printf("usage: \tusleep [-i <uint> ms]\n");
+ exit(0);
+ case 'i':
+ msecs = atoi(optarg) * USEC_TO_MSEC;
+ break;
+ case '?':
+ if (optopt == 'i')
+ fprintf(stderr, "Option -%c requires an
argument.\n", optopt);
+ else if (isprint(optopt))
+ fprintf(stderr, "Unknown option
`-%c'.\n", optopt);
+ else
+ fprintf(stderr, "Unknown option
character `\\x%x'.\n", optopt);
+ exit(1);
+ default:
+ break;
+ }
+ }
+
+ return msecs;
+}
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