xref: /linux/tools/testing/selftests/bpf/io_helpers.h (revision e21d451a82f39e91b7635c4fc3ff5ac082873ec3)
1 // SPDX-License-Identifier: GPL-2.0
2 #include <unistd.h>
3 
4 /* As a regular read(2), but allows to specify a timeout in micro-seconds.
5  * Returns -EAGAIN on timeout.
6  */
7 int read_with_timeout(int fd, char *buf, size_t count, long usec);
8