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kernel: specify the return values of standard GINT_CALLs

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They return 0 by default, which corresponds to TIMER_CONTINUE when used
in timers. Add new *_STOP variables which return 1 (TIMER_STOP).
This commit is contained in:
Lephe 2021-04-26 22:01:14 +02:00
parent 89cab4f68e
commit 85d30fa59b
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GPG key ID: 1BBA026E13FC0495
1 changed files with 33 additions and 4 deletions
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37
include/gint/defs/call.h
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@ -139,17 +139,23 @@ static GINLINE int gint_call(gint_call_t cb)
// Predefined indirect calls
//
// * GINT_CALL_SET(pointer_to_int) will create an indirect call that sets
// (*pointer_to_int) to 1 when invoked.
// (*pointer_to_int) to 1 when invoked. Returns 0.
//
// * GINT_CALL_INC(pointer_to_int) will create an indirect call that increments
// (*pointer_to_int) when invoked.
// (*pointer_to_int) when invoked. Returns 0.
//
// * GINT_CALL_SET_STOP(pointer_to_int) is like GINT_CALL_SET() but it returns
// 1 (TIMER_STOP) so it can be used to set a pointer just once in a timer.
//
// * GINT_CALL_INC_STOP(pointer_to_int) similarly returns 1 (TIMER_STOP).
//---
/* GINT_CALL_SET(): Callback that sets an integer to 1
This is defined as a function to make sure the pointer is to an int. */
static void GINT_CALL_SET_function(int volatile *pointer)
static int GINT_CALL_SET_function(int volatile *pointer)
{
(*pointer) = 1;
return 0;
}
static GINLINE gint_call_t GINT_CALL_SET(int volatile *pointer)
{
@ -157,13 +163,36 @@ static GINLINE gint_call_t GINT_CALL_SET(int volatile *pointer)
}
/* GINT_CALL_INC(): Callback that increments an integer */
static void GINT_CALL_INC_function(int volatile *pointer)
static int GINT_CALL_INC_function(int volatile *pointer)
{
(*pointer)++;
return 0;
}
static GINLINE gint_call_t GINT_CALL_INC(int volatile *pointer)
{
return GINT_CALL(GINT_CALL_INC_function, pointer);
}
/* GINT_CALL_SET_STOP(): Same as GINT_CALL_SET(), but returns TIMER_STOP */
static int GINT_CALL_SET_STOP_function(int volatile *pointer)
{
(*pointer) = 1;
return 1;
}
static GINLINE gint_call_t GINT_CALL_SET_STOP(int volatile *pointer)
{
return GINT_CALL(GINT_CALL_SET_STOP_function, pointer);
}
/* GINT_CALL_INC(): Callback that increments an integer */
static int GINT_CALL_INC_STOP_function(int volatile *pointer)
{
(*pointer)++;
return 1;
}
static GINLINE gint_call_t GINT_CALL_INC_STOP(int volatile *pointer)
{
return GINT_CALL(GINT_CALL_INC_STOP_function, pointer);
}
#endif /* GINT_DEFS_CALL */