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sched: rework file handling API

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Replace SCH_*InputFileHandler() functions with more general
SCH_*FileHandler(), where events are specified as a new parameter and
which will later support other file events, e.g. file ready for ouput
and exception.

The file handlers have two new parameters: file descriptor and event.
This commit is contained in:
Miroslav Lichvar
2016-06-16 16:47:40 +02:00
parent aeb57a36b2
commit 0a10545314
7 changed files with 49 additions and 38 deletions
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14
sched.h
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@@ -40,7 +40,7 @@ typedef enum {
} SCH_TimeoutClass;
typedef void* SCH_ArbitraryArgument;
typedef void (*SCH_FileHandler)(SCH_ArbitraryArgument);
typedef void (*SCH_FileHandler)(int fd, int event, SCH_ArbitraryArgument);
typedef void (*SCH_TimeoutHandler)(SCH_ArbitraryArgument);
/* Exported functions */
@@ -51,13 +51,13 @@ extern void SCH_Initialise(void);
/* Finalisation function for the module */
extern void SCH_Finalise(void);
/* File events */
#define SCH_FILE_INPUT 1
/* Register a handler for when select goes true on a file descriptor */
extern void SCH_AddInputFileHandler
(int fd, /* The file descriptor */
SCH_FileHandler, /* The handler routine */
SCH_ArbitraryArgument /* An arbitrary passthrough argument to the handler */
);
extern void SCH_RemoveInputFileHandler(int fd);
extern void SCH_AddFileHandler(int fd, int events, SCH_FileHandler handler, SCH_ArbitraryArgument arg);
extern void SCH_RemoveFileHandler(int fd);
extern void SCH_SetFileHandlerEvents(int fd, int events);
/* Get the time stamp taken after a file descriptor became ready or a timeout expired */
extern void SCH_GetLastEventTime(struct timeval *cooked, double *err, struct timeval *raw);