source:
tests/concurrent/preempt.cfa@
4200b7e
| Last change on this file since 4200b7e was c701332a, checked in by , 6 years ago | |
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| File size: 1.1 KB | |
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| [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] | 11 | Duration default_preemption() { |
| [11dbfe1] | 12 | return PREEMPTION_RATE; |
| 13 | } | |
| 14 | ||
| [7bdcac1] | 15 | #ifdef TEST_LONG |
| [b2fe1c9] | 16 | static const unsigned long N = 30_000ul; |
| 17 | #else | |
| 18 | static const unsigned long N = 500ul; | |
| 19 | #endif | |
| 20 | ||
| [b68fc85] | 21 | extern void __cfaabi_check_preemption(); |
| 22 | ||
| [11dbfe1] | 23 | static volatile int counter = 0; |
| 24 | ||
| [0322865c] | 25 | thread worker_t { |
| [11dbfe1] | 26 | int value; |
| 27 | }; | |
| 28 | ||
| [2afec66] | 29 | void ?{}( worker_t & this, int value ) { |
| 30 | this.value = value; | |
| [11dbfe1] | 31 | } |
| 32 | ||
| [83a071f9] | 33 | void 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 | ||
| 48 | int main(int argc, char* argv[]) { | |
| 49 | processor p; | |
| 50 | { | |
| [0322865c] | 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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