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Framework to support disabling publications via IOCTL

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Lorenz Meier
2014-01-12 11:52:41 +01:00
parent c6e196edca
commit 9bf512cac8
3 changed files with 14 additions and 3 deletions
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src/drivers/device/cdev.cpp
+10 -1
View File
@@ -1,6 +1,6 @@
/**************************************************************************** /****************************************************************************
* *
* Copyright (C) 2012 PX4 Development Team. All rights reserved. * Copyright (c) 2012-2014 PX4 Development Team. All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
@@ -38,6 +38,7 @@
*/ */
#include "device.h" #include "device.h"
#include "drivers/drv_device.h"
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include <arch/irq.h> #include <arch/irq.h>
@@ -93,6 +94,7 @@ CDev::CDev(const char *name,
Device(name, irq), Device(name, irq),
// public // public
// protected // protected
_pub_blocked(false),
// private // private
_devname(devname), _devname(devname),
_registered(false), _registered(false),
@@ -256,6 +258,13 @@ CDev::ioctl(struct file *filp, int cmd, unsigned long arg)
case DIOC_GETPRIV: case DIOC_GETPRIV:
*(void **)(uintptr_t)arg = (void *)this; *(void **)(uintptr_t)arg = (void *)this;
return OK; return OK;
break;
case DEVIOCSPUBBLOCK:
_pub_blocked = (arg != 0);
break;
case DEVIOCGPUBBLOCK:
return _pub_blocked;
break;
} }
return -ENOTTY; return -ENOTTY;
src/drivers/device/device.cpp
+1 -1
View File
@@ -1,6 +1,6 @@
/**************************************************************************** /****************************************************************************
* *
* Copyright (C) 2012 PX4 Development Team. All rights reserved. * Copyright (c) 2012-2014 PX4 Development Team. All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
src/drivers/device/device.h
+3 -1
View File
@@ -1,6 +1,6 @@
/**************************************************************************** /****************************************************************************
* *
* Copyright (C) 2012 PX4 Development Team. All rights reserved. * Copyright (c) 2012-2014 PX4 Development Team. All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
@@ -415,6 +415,8 @@ protected:
*/ */
virtual int unregister_class_devname(const char *class_devname, unsigned class_instance); virtual int unregister_class_devname(const char *class_devname, unsigned class_instance);
bool _pub_blocked; /**< true if publishing should be blocked */
private: private:
static const unsigned _max_pollwaiters = 8; static const unsigned _max_pollwaiters = 8;