source: src/tests/concurrent/preempt.c @ b68fc85

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumwith_gc
Last change on this file since b68fc85 was b68fc85, checked in by Thierry Delisle <tdelisle@…>, 6 years ago

Added more checks to preempt test to make sure preemption stays enabled

  • Property mode set to 100644
File size: 1.0 KB
RevLine 
[11dbfe1]1#include <kernel>
2#include <thread>
[0f56058]3#include <time>
[11dbfe1]4
5#ifndef PREEMPTION_RATE
[8ad6533]6#define PREEMPTION_RATE 10`ms
[11dbfe1]7#endif
8
[8ad6533]9Duration default_preemption() {
[11dbfe1]10        return PREEMPTION_RATE;
11}
12
[b2fe1c9]13#ifdef LONG_TEST
14static const unsigned long N = 30_000ul;
15#else
16static const unsigned long N = 500ul;
17#endif
18
[b68fc85]19extern void __cfaabi_check_preemption();
20
[11dbfe1]21static volatile int counter = 0;
22
[0322865c]23thread worker_t {
[11dbfe1]24        int value;
25};
26
[2afec66]27void ?{}( worker_t & this, int value ) {
28        this.value = value;
[11dbfe1]29}
30
[83a071f9]31void main(worker_t & this) {
[b2fe1c9]32        while(counter < N) {
[b68fc85]33                __cfaabi_check_preemption();
[83a071f9]34                if( (counter % 7) == this.value ) {
[b68fc85]35                        __cfaabi_check_preemption();
[11dbfe1]36                        int next = __atomic_add_fetch_4(&counter, 1, __ATOMIC_SEQ_CST);
[b68fc85]37                        __cfaabi_check_preemption();
[12d2dc8]38                        if( (next % 100) == 0 ) printf("%d\n", (int)next);
[b68fc85]39                        __cfaabi_check_preemption();
[11dbfe1]40                }
[b68fc85]41                __cfaabi_check_preemption();
[11dbfe1]42        }
43}
44
45int main(int argc, char* argv[]) {
46        processor p;
47        {
[0322865c]48                worker_t w0 = 0;
49                worker_t w1 = 1;
50                worker_t w2 = 2;
51                worker_t w3 = 3;
52                worker_t w4 = 4;
53                worker_t w5 = 5;
54                worker_t w6 = 6;
[11dbfe1]55        }
[2afec66]56}
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