omp_in_parallel

發行項
12/18/2017

Returns nonzero if called from within a parallel region.

Syntax

int omp_in_parallel( );

Remarks

For more information, see 3.1.6 omp_in_parallel Function.

Example

// omp_in_parallel.cpp  
// compile with: /openmp  
#include <stdio.h>  
#include <omp.h>  
  
int main( )   
{  
    omp_set_num_threads(4);  
    printf_s("%d\n", omp_in_parallel( ));  
  
    #pragma omp parallel  
        #pragma omp master  
        {  
            printf_s("%d\n", omp_in_parallel( ));  
        }  
}

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See Also