source: src/tests/concurrent/signal/disjoint.c @ 7bdcac1

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumwith_gc
Last change on this file since 7bdcac1 was 7bdcac1, checked in by Thierry Delisle <tdelisle@…>, 5 years ago

Added the option to make longrun tests run until failure

  • Property mode set to 100644
File size: 2.4 KB
Line 
1#include <fstream>
2#include <kernel>
3#include <monitor>
4#include <thread>
5#include <time>
6
7#include "long_tests.h"
8
9#ifndef PREEMPTION_RATE
10#define PREEMPTION_RATE 10`ms
11#endif
12
13Duration default_preemption() {
14        return PREEMPTION_RATE;
15}
16
17#ifdef TEST_LONG
18static const unsigned long N = 300_000ul;
19#else
20static const unsigned long N = 10_000ul;
21#endif
22
23enum state_t { WAIT, SIGNAL, BARGE };
24
25monitor global_t {};
26global_t mut;
27
28monitor global_data_t;
29void ?{}( global_data_t & this );
30void ^?{} ( global_data_t & mutex this );
31
32monitor global_data_t {
33        int counter;
34        state_t state;
35} data;
36
37condition cond;
38
39volatile bool all_done;
40
41void ?{}( global_data_t & this ) {
42        this.counter == 0;
43        this.state = BARGE;
44}
45
46void ^?{} ( global_data_t & mutex this ) {}
47
48//------------------------------------------------------------------------------
49// Barging logic
50void barge( global_data_t & mutex d ) {
51        d.state = BARGE;
52}
53
54thread Barger {};
55
56void main( Barger & this ) {
57        while( !all_done ) {
58                barge( data );
59                yield();
60        }
61}
62
63//------------------------------------------------------------------------------
64// Waiting logic
65bool wait( global_t & mutex m, global_data_t & mutex d ) {
66        wait( cond );
67        if( d.state != SIGNAL ) {
68                sout | "ERROR barging!" | endl;
69        }
70
71        d.counter++;
72
73        if( (d.counter % 1000) == 0 ) sout | d.counter | endl;
74
75        return TEST(d.counter < N);
76}
77
78thread Waiter {};
79
80void main( Waiter & this ) {
81        while( wait( mut, data ) ) { KICK_WATCHDOG; yield(); }
82}
83
84
85//------------------------------------------------------------------------------
86// Signalling logic
87void signal( condition & cond, global_t & mutex a, global_data_t & mutex b ) {
88        b.state = SIGNAL;
89        signal( cond );
90}
91
92void logic( global_t & mutex a ) {
93        signal( cond, a, data );
94
95        yield( random( 10 ) );
96
97        //This is technically a mutual exclusion violation but the mutex monitor protects us
98        bool running = TEST(data.counter < N) && data.counter > 0;
99        if( data.state != SIGNAL && running ) {
100                sout | "ERROR Eager signal" | data.state | endl;
101        }
102}
103
104thread Signaller {};
105
106void main( Signaller & this ) {
107        while( !all_done ) {
108                logic( mut );
109                yield();
110        }
111}
112
113//------------------------------------------------------------------------------
114// Main loop
115int main(int argc, char* argv[]) {
116        srandom( time( NULL ) );
117        all_done = false;
118        processor p;
119        {
120                Signaller s;
121                Barger b[17];
122                {
123                        Waiter w[4];
124                }
125                sout | "All waiter done" | endl;
126                all_done = true;
127        }
128}
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