nowait

 

The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.

Overrides the barrier implicit in a directive.

Syntax

nowait  

Remarks

nowait applies to the following directives:

• for

• sections

• single

For more information, see 2.4.1 for Construct, 2.4.2 sections Construct, and 2.4.3 single Construct.

Example

// omp_nowait.cpp  
// compile with: /openmp /c  
#include <stdio.h>  
  
#define SIZE 5  
  
void test(int *a, int *b, int *c, int size)   
{  
    int i;  
    #pragma omp parallel  
    {  
        #pragma omp for nowait  
        for (i = 0; i < size; i++)  
            b[i] = a[i] * a[i];  
  
        #pragma omp for nowait  
        for (i = 0; i < size; i++)  
            c[i] = a[i]/2;  
    }  
}  
  
int main( )   
{  
    int a[SIZE], b[SIZE], c[SIZE];  
    int i;  
  
    for (i=0; i<SIZE; i++)  
        a[i] = i;  
  
    test(a,b,c, SIZE);  
  
    for (i=0; i<SIZE; i++)  
        printf_s("%d, %d, %d\n", a[i], b[i], c[i]);  
}  

0, 0, 0  
1, 1, 0  
2, 4, 1  
3, 9, 1  
4, 16, 2  

See Also

Clauses