sections (OpenMP)

Identifies code sections to be divided among all threads.

#pragma omp [parallel] sections [clauses]
{
   #pragma omp section
   {
      code_block  
   } 
}

Remarks

where,

• clause (optional)
  Zero or more clauses. See the Remarks section for a list of the clauses supported by sections.

Remarks

The sections directive can contain zero or more section directives.

The sections directive supports the following OpenMP clauses:

• firstprivate

• lastprivate

• nowait

• private (OpenMP)

• reduction

If parallel is also specified, clause can be any clause accepted by the parallel or sections directives, except nowait.

For more information, see 2.4.2 sections Construct.

Example

// omp_sections.cpp
// compile with: /openmp 
#include <stdio.h>
#include <omp.h>

int main() {
    #pragma omp parallel sections num_threads(4)
    {
        printf_s("Hello from thread %d\n", omp_get_thread_num());
        #pragma omp section
        printf_s("Hello from thread %d\n", omp_get_thread_num());
    }
}

Hello from thread 0
Hello from thread 0

See Also

Reference

OpenMP Directives