wpa_supplicant: Add lock.

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;
 }

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',

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',

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@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_ */

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@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);
+}
+