3.1.4 omp_get_thread_num Function

The omp_get_thread_num function returns the thread number, within its team, of the thread executing the function. The thread number lies between 0 and omp_get_num_threads()–1, inclusive. The master thread of the team is thread 0.

The format is as follows:

#include <omp.h>
int omp_get_thread_num(void);

If called from a serial region, omp_get_thread_num returns 0. If called from within a nested parallel region that is serialized, this function returns 0.

Cross References:

• omp_get_num_threads function, see Section 3.1.2 on page 37.