From ff77bab398157de9c5a271b28708ee02bd735ccb Mon Sep 17 00:00:00 2001 From: Toni Uhlig Date: Sun, 26 Nov 2023 12:35:33 +0100 Subject: Warn about unused return values that are quite important. * CI: ArchLinux build should now instrument `-Werror` * CI: Increased OpenWrt build verbosity Signed-off-by: Toni Uhlig --- nio.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'nio.h') diff --git a/nio.h b/nio.h index 76bb7c8cb..60e1b0926 100644 --- a/nio.h +++ b/nio.h @@ -3,6 +3,8 @@ #include +#define WARN_UNUSED __attribute__((__warn_unused_result__)) + enum { NIO_SUCCESS = 0, @@ -34,41 +36,55 @@ struct nio void nio_init(struct nio * io); +WARN_UNUSED int nio_use_poll(struct nio * io, nfds_t max_fds); +WARN_UNUSED int nio_use_epoll(struct nio * io, int max_events); +WARN_UNUSED int nio_add_fd(struct nio * io, int fd, int event_flags, void * ptr); +WARN_UNUSED int nio_mod_fd(struct nio * io, int fd, int event_flags, void * ptr); +WARN_UNUSED int nio_del_fd(struct nio * io, int fd); +WARN_UNUSED int nio_run(struct nio * io, int timeout); +WARN_UNUSED static inline int nio_get_nready(struct nio const * const io) { return io->nready; } +WARN_UNUSED int nio_check(struct nio * io, int index, int events); +WARN_UNUSED int nio_is_valid(struct nio const * const io, int index); +WARN_UNUSED int nio_get_fd(struct nio * io, int index); +WARN_UNUSED void * nio_get_ptr(struct nio * io, int index); +WARN_UNUSED static inline int nio_has_input(struct nio * io, int index) { return nio_check(io, index, NIO_EVENT_INPUT); } +WARN_UNUSED static inline int nio_can_output(struct nio * io, int index) { return nio_check(io, index, NIO_EVENT_OUTPUT); } +WARN_UNUSED static inline int nio_has_error(struct nio * io, int index) { return nio_check(io, index, NIO_EVENT_ERROR); -- cgit v1.2.3