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3.6.7 omp_get_uid_from_device – Obtain the unique id of a device ¶

Description:

This function returns a pointer to a string that represents a unique identifier (UID) for the device specified by device_num. It returns a NULL (C/C++) or a disassociated pointer (Fortran) for omp_invalid_device. The effect of running this routine in a target region is unspecified.

GCC currently returns for initial device the value OMP_INITIAL_DEVICE.

C/C++:

Prototype:

const char *omp_get_uid_from_device(int device_num);

Fortran:

Interface:	character(:) function omp_get_uid_from_device(device_num)
Interface:	pointer :: omp_get_uid_from_device
	integer, intent(in) :: device_num

See also:

omp_get_uid_from_device – Obtain the unique id of a device, Offload-Target Specifics

Reference:

OpenMP specification v6.0, Section 24.8