[rtems-libbsd commit] wpa_supplicant: Add lock.
Sebastian Huber
sebh at rtems.org
Fri Nov 10 13:22:23 UTC 2017
Module: rtems-libbsd
Branch: master
Commit: 4613db09fcc96fe787e44eaf2899b54d943dbe02
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=4613db09fcc96fe787e44eaf2899b54d943dbe02
Author: Christian Mauderer <Christian.Mauderer at embedded-brains.de>
Date: Thu Nov 2 14:34:35 2017 +0100
wpa_supplicant: Add lock.
---
freebsd/contrib/wpa/wpa_supplicant/main.c | 6 +-
libbsd.py | 1 +
libbsd_waf.py | 1 +
.../include/machine/rtems-bsd-wpa-supplicant.h | 55 +++++++++++++++++
rtemsbsd/rtems/rtems-kernel-wpa-supplicant.c | 68 ++++++++++++++++++++++
5 files changed, 130 insertions(+), 1 deletion(-)
diff --git a/freebsd/contrib/wpa/wpa_supplicant/main.c b/freebsd/contrib/wpa/wpa_supplicant/main.c
index 40950d2..77d6a5b 100644
--- a/freebsd/contrib/wpa/wpa_supplicant/main.c
+++ b/freebsd/contrib/wpa/wpa_supplicant/main.c
@@ -23,6 +23,7 @@
#include <assert.h>
#include <sys/mutex.h>
#include <machine/rtems-bsd-program.h>
+#include <machine/rtems-bsd-wpa-supplicant.h>
#endif /* __rtems__ */
static void usage(void)
@@ -170,7 +171,10 @@ int rtems_bsd_command_wpa_supplicant(int argc, char **argv)
int exit_code;
rtems_status_code sc;
- exit_code = rtems_bsd_program_call_main("wpa_supplicant", main, argc, argv);
+ rtems_bsd_wpa_supplicant_lock();
+ exit_code = rtems_bsd_program_call_main("wpa_supplicant", main,
+ argc, argv);
+ rtems_bsd_wpa_supplicant_unlock();
return exit_code;
}
diff --git a/libbsd.py b/libbsd.py
index 3e3219e..a69c118 100644
--- a/libbsd.py
+++ b/libbsd.py
@@ -119,6 +119,7 @@ def rtems(mm):
'rtems/rtems-kernel-termioskqueuepoll.c',
'rtems/rtems-kernel-thread.c',
'rtems/rtems-kernel-vprintf.c',
+ 'rtems/rtems-kernel-wpa-supplicant.c',
'rtems/rtems-legacy-rtrequest.c',
'rtems/rtems-legacy-newproc.c',
'rtems/rtems-legacy-mii.c',
diff --git a/libbsd_waf.py b/libbsd_waf.py
index 95b37d6..74da713 100644
--- a/libbsd_waf.py
+++ b/libbsd_waf.py
@@ -2360,6 +2360,7 @@ def build(bld):
'rtemsbsd/rtems/rtems-kernel-thread.c',
'rtemsbsd/rtems/rtems-kernel-timesupport.c',
'rtemsbsd/rtems/rtems-kernel-vprintf.c',
+ 'rtemsbsd/rtems/rtems-kernel-wpa-supplicant.c',
'rtemsbsd/rtems/rtems-kvm.c',
'rtemsbsd/rtems/rtems-legacy-mii.c',
'rtemsbsd/rtems/rtems-legacy-newproc.c',
diff --git a/rtemsbsd/include/machine/rtems-bsd-wpa-supplicant.h b/rtemsbsd/include/machine/rtems-bsd-wpa-supplicant.h
new file mode 100644
index 0000000..d6f6d77
--- /dev/null
+++ b/rtemsbsd/include/machine/rtems-bsd-wpa-supplicant.h
@@ -0,0 +1,55 @@
+/**
+ * @file
+ *
+ * @ingroup rtems_bsd_machine
+ *
+ * @brief TODO.
+ */
+
+/*
+ * Copyright (c) 2017 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Dornierstr. 4
+ * 82178 Puchheim
+ * Germany
+ * <rtems at embedded-brains.de>
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 _RTEMS_BSD_MACHINE_RTEMS_BSD_WPA_SUPPLICANT_H_
+#define _RTEMS_BSD_MACHINE_RTEMS_BSD_WPA_SUPPLICANT_H_
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+void
+rtems_bsd_wpa_supplicant_lock(void);
+
+void
+rtems_bsd_wpa_supplicant_unlock(void);
+
+__END_DECLS
+
+#endif /* _RTEMS_BSD_MACHINE_RTEMS_BSD_WPA_SUPPLICANT_H_ */
diff --git a/rtemsbsd/rtems/rtems-kernel-wpa-supplicant.c b/rtemsbsd/rtems/rtems-kernel-wpa-supplicant.c
new file mode 100644
index 0000000..0403f44
--- /dev/null
+++ b/rtemsbsd/rtems/rtems-kernel-wpa-supplicant.c
@@ -0,0 +1,68 @@
+/**
+ * @file
+ *
+ * @ingroup rtems_bsd_rtems
+ *
+ * @brief Mutex for protecting wpa_supplicant.
+ *
+ * The wpa_supplicant needs it's own mutex so it can be used in background.
+ */
+
+/*
+ * Copyright (c) 2017 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Dornierstr. 4
+ * 82178 Puchheim
+ * Germany
+ * <rtems at embedded-brains.de>
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#include <machine/rtems-bsd-kernel-space.h>
+#include <machine/rtems-bsd-thread.h>
+
+#include <sys/types.h>
+#include <sys/kernel.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
+
+#include <machine/rtems-bsd-wpa-supplicant.h>
+
+static struct mtx wpa_supplicant_mtx;
+
+MTX_SYSINIT(rtems_bsd_wpa_supplicant, &wpa_supplicant_mtx, "BSD WPA Supplicant",
+ MTX_DEF);
+
+void
+rtems_bsd_wpa_supplicant_lock(void)
+{
+ mtx_lock(&wpa_supplicant_mtx);
+}
+
+void
+rtems_bsd_wpa_supplicant_unlock(void)
+{
+ mtx_unlock(&wpa_supplicant_mtx);
+}
+
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