diff options
Diffstat (limited to 'networking/udhcp/signalpipe.c')
| -rw-r--r-- | networking/udhcp/signalpipe.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/networking/udhcp/signalpipe.c b/networking/udhcp/signalpipe.c index c181e0e06..6355c5e90 100644 --- a/networking/udhcp/signalpipe.c +++ b/networking/udhcp/signalpipe.c @@ -1,6 +1,5 @@ /* vi: set sw=4 ts=4: */ -/* signalpipe.c - * +/* * Signal pipe infrastructure. A reliable way of delivering signals. * * Russ Dill <Russ.Dill@asu.edu> December 2003 @@ -19,10 +18,9 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - #include "common.h" - +/* Global variable: we access it from signal handler */ static struct fd_pair signal_pipe; static void signal_handler(int sig) @@ -32,7 +30,6 @@ static void signal_handler(int sig) bb_perror_msg("can't send signal"); } - /* Call this before doing anything else. Sets up the socket pair * and installs the signal handler */ void FAST_FUNC udhcp_sp_setup(void) @@ -49,7 +46,6 @@ 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 */ @@ -64,7 +60,6 @@ int FAST_FUNC udhcp_sp_fd_set(fd_set *rfds, int extra_fd) 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 */ |