test for signal handler return type

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@8677 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
2000-07-15 18:05:56 +00:00
parent 572327b5bc
commit f72accbbda

18
cf/retsigtype.m4 Normal file
View File

@@ -0,0 +1,18 @@
dnl
dnl $Id$
dnl
dnl Figure out return type of signal handlers, and define SIGRETURN macro
dnl that can be used to return from one
dnl
AC_DEFUN(rk_RETSIGTYPE,[
AC_TYPE_SIGNAL
if test "$ac_cv_type_signal" = "void" ; then
AC_DEFINE(VOID_RETSIGTYPE, 1, [Define if signal handlers return void.])
fi
AC_SUBST(VOID_RETSIGTYPE)
AH_BOTTOM([#ifdef VOID_RETSIGTYPE
#define SIGRETURN(x) return
#else
#define SIGRETURN(x) return (RETSIGTYPE)(x)
#endif])
])