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vtysh: drop unused variables & RETSIGTYPE

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Drop unused return values in vtysh.  Also gets rid of the rather funny
prototyping of signal setup in vtysh - which as a side effect makes it
not need AC_TYPE_SIGNAL in configure.ac anymore.  It wasn't used
sensibly to begin with...

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
(cherry picked from commit 6769f43de9d595b935f2ebf1cae1428e1d1a3a5f)
This commit is contained in:
David Lamparter 2015-03-04 07:18:24 +01:00 committed by Donald Sharp
parent 4201dd1143
commit 7f720f5410
2 changed files with 2 additions and 9 deletions
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1
configure.ac
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@ -469,7 +469,6 @@ dnl AC_TYPE_PID_T
AC_TYPE_UID_T AC_TYPE_UID_T
AC_TYPE_MODE_T AC_TYPE_MODE_T
AC_TYPE_SIZE_T AC_TYPE_SIZE_T
AC_TYPE_SIGNAL
AC_STRUCT_TM AC_STRUCT_TM
dnl ------------------------- dnl -------------------------

10
vtysh/vtysh_main.c
View File

@ -124,10 +124,9 @@ sigint (int sig)
/* Signale wrapper for vtysh. We don't use sigevent because /* Signale wrapper for vtysh. We don't use sigevent because
* vtysh doesn't use threads. TODO */ * vtysh doesn't use threads. TODO */
static RETSIGTYPE * static void
vtysh_signal_set (int signo, void (*func)(int)) vtysh_signal_set (int signo, void (*func)(int))
{ {
int ret;
struct sigaction sig; struct sigaction sig;
struct sigaction osig; struct sigaction osig;
@ -138,12 +137,7 @@ vtysh_signal_set (int signo, void (*func)(int))
sig.sa_flags |= SA_RESTART; sig.sa_flags |= SA_RESTART;
#endif /* SA_RESTART */ #endif /* SA_RESTART */
ret = sigaction (signo, &sig, &osig); sigaction (signo, &sig, &osig);
if (ret < 0)
return (SIG_ERR);
else
return (osig.sa_handler);
} }
/* Initialization of signal handles. */ /* Initialization of signal handles. */