fix dup3 ignoring all flags but O_CLOEXEC on archs with SYS_dup2 syscall

[musl] / src / thread / pthread_mutex_getprioceiling.c

#include "pthread_impl.h"

int pthread_mutex_getprioceiling(const pthread_mutex_t *restrict m, int *restrict ceiling)
{
        return EINVAL;
}