Revert "drm/probe-helpers: Drop locking from poll_enable"

This reverts commit 3846fd9b86001bea171943cc3bb9222cb6da6b42.

There were some precursor commits missing for this around connector
locking, we should probably merge Lyude's nouveau avoid the problem patch.

path: root/ioexact.h

#ifndef IOEXACT_H
#define IOEXACT_H

#include <stdbool.h>

extern ssize_t read_exact(int fd, void *buf, size_t len, bool mayexit);
extern ssize_t write_exact(int fd, void *buf, size_t len, bool mayexit);

#endif /* IOEXACT_H */