_POSIX_C_SOURCE    33 opal/mca/shmem/posix/shmem_posix_common_utils.c #if OPAL_HAVE_SOLARIS && !defined(_POSIX_C_SOURCE)
_POSIX_C_SOURCE    30 opal/mca/shmem/posix/shmem_posix_module.c #if OPAL_HAVE_SOLARIS && !defined(_POSIX_C_SOURCE)