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sections (OpenMP)

Identifies code sections to be divided among all threads.

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

where,

clause (optional)

Zero or more clauses. See the Remarks section for a list of the clauses supported by sections.

The sections directive can contain zero or more section directives.

The sections directive supports the following OpenMP clauses:

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.

// 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
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