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callbacks.c
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callbacks.c
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#include "callbacks.h"
#if FEATURE_THREADED_FFI
#ifdef _WIN32
# include <Windows.h>
#else
# include <pthread.h>
#endif
#endif //FEATURE_THREADED_FFI
EXPORT(int) singleCallToCallback(SIMPLE_CALLBACK fun, int base){
return fun(base + 1);
}
EXPORT(int) callbackInALoop(SIMPLE_CALLBACK fun){
int i;
int acc = 0;
for(i=0;i<42;i++){
acc = fun(acc);
}
return acc;
}
EXPORT(int) reentringCallback(SIMPLE_CALLBACK fun, int base){
printf("Value entered: %d\n", base);
if(base == 0)
return 1;
return fun(base);
}
static int value = 0;
#if FEATURE_THREADED_FFI
void* otherThread(void* aFunction){
SIMPLE_CALLBACK f = (SIMPLE_CALLBACK) aFunction;
#ifdef _WIN32
Sleep(3);
#else
sleep(3);
#endif
value = f(42);
}
#endif //FEATURE_THREADED_FFI
EXPORT(int) getValue(){
return value;
}
EXPORT(void) callbackFromAnotherThread(SIMPLE_CALLBACK fun){
#if FEATURE_THREADED_FFI
value = 0;
#if defined(_WIN32)
CreateThread(
NULL, // default security attributes
0, // use default stack size
otherThread, // thread function name
fun, // argument to thread function
0, // use default creation flags: 0 is run immediately
NULL); // returns the thread identifier
#else
pthread_t t;
pthread_create(&t, NULL, otherThread, fun);
pthread_detach(t);
#endif
#endif //FEATURE_THREADED_FFI
}