_pthread_getschedparam
#define pthread_getschedparam _pthread_getschedparam
if ((ret = _pthread_getschedparam(pthread, &policy, ¶m)) == 0)
__strong_reference(_pthread_getschedparam, pthread_getschedparam);
STATIC_LIB_REQUIRE(_pthread_getschedparam);
if ((ret = _pthread_getschedparam(pthread, &policy, ¶m)) == 0) {