source: src/tests/concurrent/preempt.c @ fb16d5c

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 fb16d5c 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
Line 
1#include <kernel>
2#include <thread>
3#include <time>
4
5#ifndef PREEMPTION_RATE
6#define PREEMPTION_RATE 10`ms
7#endif
8
9Duration default_preemption() {
10        return PREEMPTION_RATE;
11}
12
13#ifdef LONG_TEST
14static const unsigned long N = 30_000ul;
15#else
16static const unsigned long N = 500ul;
17#endif
18
19extern void __cfaabi_check_preemption();
20
21static volatile int counter = 0;
22
23thread worker_t {
24        int value;
25};
26
27void ?{}( worker_t & this, int value ) {
28        this.value = value;
29}
30
31void main(worker_t & this) {
32        while(counter < N) {
33                __cfaabi_check_preemption();
34                if( (counter % 7) == this.value ) {
35                        __cfaabi_check_preemption();
36                        int next = __atomic_add_fetch_4(&counter, 1, __ATOMIC_SEQ_CST);
37                        __cfaabi_check_preemption();
38                        if( (next % 100) == 0 ) printf("%d\n", (int)next);
39                        __cfaabi_check_preemption();
40                }
41                __cfaabi_check_preemption();
42        }
43}
44
45int main(int argc, char* argv[]) {
46        processor p;
47        {
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;
55        }
56}
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