diff options
Diffstat (limited to 'networking/udhcp/signalpipe.c')
| -rw-r--r-- | networking/udhcp/signalpipe.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/networking/udhcp/signalpipe.c b/networking/udhcp/signalpipe.c index 30bccd6..b101b4c 100644 --- a/networking/udhcp/signalpipe.c +++ b/networking/udhcp/signalpipe.c @@ -48,28 +48,29 @@ void FAST_FUNC udhcp_sp_setup(void) , signal_handler); } -/* Quick little function to setup the rfds. Will return the - * max_fd for use with select. Limited in that you can only pass - * one extra fd */ -int FAST_FUNC udhcp_sp_fd_set(fd_set *rfds, int extra_fd) +/* Quick little function to setup the pfds. + * Limited in that you can only pass one extra fd. + */ +void FAST_FUNC udhcp_sp_fd_set(struct pollfd pfds[2], int extra_fd) { - FD_ZERO(rfds); - FD_SET(signal_pipe.rd, rfds); + pfds[0].fd = signal_pipe.rd; + pfds[0].events = POLLIN; + pfds[1].fd = -1; if (extra_fd >= 0) { close_on_exec_on(extra_fd); - FD_SET(extra_fd, rfds); + pfds[1].fd = extra_fd; + pfds[1].events = POLLIN; } - return signal_pipe.rd > extra_fd ? signal_pipe.rd : extra_fd; } /* Read a signal from the signal pipe. Returns 0 if there is * no signal, -1 on error (and sets errno appropriately), and * your signal on success */ -int FAST_FUNC udhcp_sp_read(const fd_set *rfds) +int FAST_FUNC udhcp_sp_read(struct pollfd pfds[2]) { unsigned char sig; - if (!FD_ISSET(signal_pipe.rd, rfds)) + if (!pfds[0].revents) return 0; if (safe_read(signal_pipe.rd, &sig, 1) != 1) |