From 8f26017bb9cb3f38424f50511263cf70e476d98b Mon Sep 17 00:00:00 2001
From: tjg <tjg>
Date: Thu, 15 Aug 2002 13:45:03 +0000
Subject:   Portability: don't call sigaction() for SIGKILL or SIGCONT; don't  
 hand a garbage signal mask to sigaction() (thanks Jeremy   Fitzhardinge). 
 Also, remove use of SA_INTERRUPT (SUSv3, BSD,   etc. have SA_RESTART with the
 inverted meaning).

---
 configure.ac | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 9e26d5d..59a58c1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,7 +40,16 @@ AC_TYPE_SIZE_T
 AC_TYPE_UID_T
 AC_CHECK_TYPE(ssize_t, long)
 
-AC_CHECK_FUNCS(getgroups lstat setpgrp setrlimit)
+AC_CHECK_FUNCS(getgroups lstat setpgrp setrlimit sigaction)
+
+dnl We prefer system calls that don't restart.  If we have sigaction()
+dnl we'll use it.  Otherwise, we check whether good ol' signal()
+dnl produces interruptible system calls.
+case "$ac_cv_func_sigaction" in
+no) AC_SYS_RESTARTABLE_SYSCALLS ;;
+esac
+AM_CONDITIONAL(AMC_RESTART, test "$ac_cv_sys_restartable_syscalls" = yes)
+
 RC_FUNC_GETGROUPS
 
 RC_FUNC_SIGSETJMP
@@ -55,16 +64,6 @@ RC_TYPE_RLIM_T
 
 RC_TYPE_SIG_ATOMIC_T
 
-dnl We prefer system calls that don't restart.  If we have sigaction()
-dnl and SA_INTERRUPT, we'll use 'em.  Otherwise, we check whether good
-dnl ol' signal() produces interruptible system calls.
-RC_FUNC_SIGACTION
-case "$rc_cv_sa_int" in
-yes)	AC_DEFINE(HAVE_SA_INTERRUPT) ;;
-no) AC_SYS_RESTARTABLE_SYSCALLS ;;
-esac
-AM_CONDITIONAL(AMC_RESTART, test "$ac_cv_sys_restartable_syscalls" = yes)
-
 RC_SYS_V_SIGCLD
 
 dnl Does the kernel handle `#! /interpreter'?
-- 
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