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renamed some signal handling functions in the App class

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hyung-hwan
2018-09-13 06:51:48 +00:00
parent c09a0161eb
commit c467a28f18
4 changed files with 78 additions and 51 deletions
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1
qse/include/qse/cmn/opt.h
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@ -102,6 +102,7 @@ struct qse_cli_data_t
const qse_char_t** optsta;
const qse_char_t* optasn;
qse_cli_opt_t* opts;
void* ctx;
};
typedef struct qse_cli_data_t qse_cli_data_t;

30
qse/include/qse/si/App.hpp
View File

@ -43,12 +43,11 @@ public:
enum SignalState
{
SIGNAL_UNHANDLED,
SIGNAL_ACCEPTED,
SIGNAL_IGNORED // handled but ignored
SIGNAL_NEGLECTED, // signal is unhandled at the system level.
SIGNAL_ACCEPTED, // on_signal callback is triggered
SIGNAL_DISCARDED // handled but doesn't trigger the on_signal callback
};
App (Mmgr* mmgr = QSE_NULL) QSE_CPP_NOEXCEPT;
virtual ~App () QSE_CPP_NOEXCEPT;
@ -65,15 +64,21 @@ public:
virtual void on_signal (int sig) { }
SignalState getSignalSubscription (int sig) const;
int setSignalSubscription (int sig, SignalState ss);
int setSignalSubscription (int sig, SignalState ss, bool ignore_if_unhandled = false);
int subscribeToSignal (int sig, bool accept)
int acceptSignal (int sig)
{
return this->setSignalSubscription (sig, (accept? SIGNAL_ACCEPTED: SIGNAL_IGNORED));
return this->setSignalSubscription(sig, SIGNAL_ACCEPTED);
}
int unsubscribeFromSignal (int sig)
int discardSignal (int sig)
{
return this->setSignalSubscription (sig, SIGNAL_UNHANDLED);
return this->setSignalSubscription(sig, SIGNAL_DISCARDED);
}
int neglectSignal (int sig)
{
return this->setSignalSubscription(sig, SIGNAL_NEGLECTED);
}
typedef void (*SignalHandler) (int sig);
@ -96,7 +101,7 @@ private:
struct _SigLink
{
_SigLink(): _prev(QSE_NULL), _next(QSE_NULL), _state(SIGNAL_UNHANDLED) {}
_SigLink(): _prev(QSE_NULL), _next(QSE_NULL), _state(SIGNAL_NEGLECTED) {}
App* _prev;
App* _next;
SignalState _state;
@ -105,15 +110,12 @@ private:
_SigLink _sig[QSE_NSIGS];
long int _guarded_child_pid;
protected:
static int set_signal_handler_no_mutex (int sig, SignalHandler sighr);
static int unset_signal_handler_no_mutex (int sig, int ignore);
int set_signal_subscription_no_mutex (int sig, SignalState reqstate);
int set_signal_subscription_no_mutex (int sig, SignalState reqstate, bool ignore_if_unhandled);
void on_guard_signal (int sig);
static void handle_signal (int sig);
};
/////////////////////////////////