-
Notifications
You must be signed in to change notification settings - Fork 0
/
openmp_tied.c
55 lines (44 loc) · 1.04 KB
/
openmp_tied.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
#include <stdio.h>
#include <stdlib.h>
#include <omp.h>
#include <unistd.h>
omp_lock_t writelock;
int foo(int call)
{
omp_set_lock(&writelock);
printf("Function foo is executed by thread %d (call %d) \n", omp_get_thread_num(), call);
sleep(2);
omp_unset_lock(&writelock);
}
int bar(int call)
{
omp_set_lock(&writelock);
printf("Function bar is executed by thread %d (call %d) \n", omp_get_thread_num(), call);
sleep(2);
omp_unset_lock(&writelock);
}
int main()
{
omp_set_num_threads(2);
#pragma omp parallel
#pragma omp single
{
#pragma omp task
{
foo(1);
bar(1);
}
#pragma omp task untied
{
foo(2);
#pragma omp taskyield
bar(2);
}
#pragma omp task untied
{
foo(3);
bar(3);
}
}
omp_destroy_lock(&writelock);
}