source: tests/concurrent/mutexstmt/scoped_lock.cfa @ dab2b6a

#include <mutex_stmt.hfa>
#include <locks.hfa>

const unsigned int num_times = 10000;

single_acquisition_lock m1, m2, m3, m4, m5;

bool insideFlag = false;
int count = 0;

thread T_Mutex_Scoped {};

void main( T_Mutex_Scoped & this ) {
        for (unsigned int i = 0; i < num_times; i++) {
                {
                        scoped_lock(single_acquisition_lock) s{m1};
                        count++;
                }
                {
                        scoped_lock(single_acquisition_lock) s{m1};
                        assert(!insideFlag);
                        insideFlag = true;
                        assert(insideFlag);
                        insideFlag = false;
                }
        }
}

thread T_Multi_Scoped {};

void main( T_Multi_Scoped & this ) {
        for (unsigned int i = 0; i < num_times; i++) {
                {
                        scoped_lock(single_acquisition_lock) s{m1};
                        assert(!insideFlag);
                        insideFlag = true;
                        assert(insideFlag);
                        insideFlag = false;
                }
                {
                        scoped_lock(single_acquisition_lock) s1{m1};
                        scoped_lock(single_acquisition_lock) s2{m2};
                        scoped_lock(single_acquisition_lock) s3{m3};
                        scoped_lock(single_acquisition_lock) s4{m4};
                        scoped_lock(single_acquisition_lock) s5{m5};
                        assert(!insideFlag);
                        insideFlag = true;
                        assert(insideFlag);
                        insideFlag = false;
                }
                {
                        scoped_lock(single_acquisition_lock) s1{m1};
                        scoped_lock(single_acquisition_lock) s3{m3};
                        assert(!insideFlag);
                        insideFlag = true;
                        assert(insideFlag);
                        insideFlag = false;
                }
                {
                        scoped_lock(single_acquisition_lock) s1{m1};
                        scoped_lock(single_acquisition_lock) s2{m2};
                        scoped_lock(single_acquisition_lock) s4{m4};
                        assert(!insideFlag);
                        insideFlag = true;
                        assert(insideFlag);
                        insideFlag = false;
                }
                {
                        scoped_lock(single_acquisition_lock) s1{m1};
                        scoped_lock(single_acquisition_lock) s3{m3};
                        scoped_lock(single_acquisition_lock) s4{m4};
                        scoped_lock(single_acquisition_lock) s5{m5};
                        assert(!insideFlag);
                        insideFlag = true;
                        assert(insideFlag);
                        insideFlag = false;
                }
        }
}

int num_tasks = 10;
int main() {
        processor p[10];

        printf("Start Test: single scoped lock mutual exclusion\n");
        {
                T_Mutex_Scoped t[10];
        }
        assert(count == num_tasks * num_times);
        printf("End Test: single scoped lock mutual exclusion\n");
        printf("Start Test: multi scoped lock deadlock/mutual exclusion\n");
        {
                T_Multi_Scoped t[10];
        }
        printf("End Test: multi scoped lock deadlock/mutual exclusion\n");
}