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udhcp: cosmetic cleanups; one case of s/full_read/xread/

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function                                             old     new   delta
dumpleases_main                                      632     623      -9

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2010-03-26 10:09:34 +01:00
parent 968951fd0c
commit 385b4562e3
15 changed files with 55 additions and 85 deletions
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9
networking/udhcp/signalpipe.c
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@ -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 */