diff options
Diffstat (limited to 'cf/retsigtype.m4')
| -rw-r--r-- | cf/retsigtype.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/cf/retsigtype.m4 b/cf/retsigtype.m4 new file mode 100644 index 0000000000000..2857bff1d965e --- /dev/null +++ b/cf/retsigtype.m4 @@ -0,0 +1,18 @@ +dnl +dnl $Id: retsigtype.m4 13338 2004-02-12 14:21:14Z lha $ +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]) +])
\ No newline at end of file |