source: tests/concurrent/preempt.cfa @ 474d610

arm-ehjacob/cs343-translationnew-ast-unique-expr
Last change on this file since 474d610 was c701332a, checked in by Thierry Delisle <tdelisle@…>, 2 years ago

Cleanup of builtin atomics to remove _1,2,4 suffix versions and support all basic ints

  • Property mode set to 100644
File size: 1.1 KB
RevLine 
[096a2ff]1#include <kernel.hfa>
[73abe95]2#include <thread.hfa>
3#include <time.hfa>
[11dbfe1]4
[dc8511c]5#include "long_tests.hfa"
[7bdcac1]6
[11dbfe1]7#ifndef PREEMPTION_RATE
[8ad6533]8#define PREEMPTION_RATE 10`ms
[11dbfe1]9#endif
10
[8ad6533]11Duration default_preemption() {
[11dbfe1]12        return PREEMPTION_RATE;
13}
14
[7bdcac1]15#ifdef TEST_LONG
[b2fe1c9]16static const unsigned long N = 30_000ul;
17#else
18static const unsigned long N = 500ul;
19#endif
20
[b68fc85]21extern void __cfaabi_check_preemption();
22
[11dbfe1]23static volatile int counter = 0;
24
[0322865]25thread worker_t {
[11dbfe1]26        int value;
27};
28
[2afec66]29void ?{}( worker_t & this, int value ) {
30        this.value = value;
[11dbfe1]31}
32
[83a071f9]33void main(worker_t & this) {
[7bdcac1]34        while(TEST(counter < N)) {
[b68fc85]35                __cfaabi_check_preemption();
[83a071f9]36                if( (counter % 7) == this.value ) {
[b68fc85]37                        __cfaabi_check_preemption();
[c701332a]38                        int next = __atomic_add_fetch( &counter, 1, __ATOMIC_SEQ_CST );
[b68fc85]39                        __cfaabi_check_preemption();
[12d2dc8]40                        if( (next % 100) == 0 ) printf("%d\n", (int)next);
[b68fc85]41                        __cfaabi_check_preemption();
[11dbfe1]42                }
[b68fc85]43                __cfaabi_check_preemption();
[7bdcac1]44                KICK_WATCHDOG;
[11dbfe1]45        }
46}
47
48int main(int argc, char* argv[]) {
49        processor p;
50        {
[0322865]51                worker_t w0 = 0;
52                worker_t w1 = 1;
53                worker_t w2 = 2;
54                worker_t w3 = 3;
55                worker_t w4 = 4;
56                worker_t w5 = 5;
57                worker_t w6 = 6;
[11dbfe1]58        }
[2afec66]59}
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