#define HH_SENF_Scheduler_Scheduler_ 1
// Custom includes
+#include <boost/utility.hpp>
#include "../Utils/Logger/SenfLog.hh"
#include "FdEvent.hh"
#include "TimerEvent.hh"
/** \brief Current task watchdog timeout */
unsigned taskTimeout();
- /** \brief Number of watchdog events */
+ /** \brief Number of watchdog events
+
+ calling hangCount() will reset the counter to 0
+ */
unsigned hangCount();
/** \brief Switch to using hi resolution timers
senf::log::time_type operator()() const;
};
+ /** \brief Temporarily block all signals
+
+ This class is used to temporarily block all signals in a critical section.
+
+ \code
+ // Begin critical section
+ {
+ senf::scheduler::BlockSignals signalBlocker;
+
+ // critical code executed with all signals blocked
+ }
+ // End critical section
+ \endcode
+
+ You need to take care not to block since even the watchdog timer will be disabled while
+ executing within a critical section.
+ */
+ class BlockSignals
+ : boost::noncopyable
+ {
+ public:
+ BlockSignals(bool initiallyBlocked=true);
+ ///< Block signals until end of scope
+ /**< \param[in] initiallyBlocked set to \c false to not
+ automatically block signals initially */
+ ~BlockSignals(); ///< Release all signal blocks
+
+ void block(); ///< Block signals if not blocked
+ void unblock(); ///< Unblock signals if blocked
+ bool blocked() const; ///< \c true, if signals currently blocked, \c false
+ ///< otherwise
+
+ private:
+ bool blocked_;
+ sigset_t allSigs_;
+ sigset_t savedSigs_;
+ };
+
}}
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