diff options
Diffstat (limited to 'tools/testing/selftests/bpf/io_helpers.h')
| -rw-r--r-- | tools/testing/selftests/bpf/io_helpers.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/io_helpers.h b/tools/testing/selftests/bpf/io_helpers.h new file mode 100644 index 000000000000..21e1134cd3ce --- /dev/null +++ b/tools/testing/selftests/bpf/io_helpers.h @@ -0,0 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <unistd.h> + +/* As a regular read(2), but allows to specify a timeout in micro-seconds. + * Returns -EAGAIN on timeout. + */ +int read_with_timeout(int fd, char *buf, size_t count, long usec); |