X-Git-Url: https://git.openafs.org/?p=openafs.git;a=blobdiff_plain;f=src%2Fcf%2Flinux-test4.m4;h=b5df711c5db443d2d93cbcd6f699316a0ea688a0;hp=ca3942dbc451dc0c00d6bb5048dcf1de0a436a93;hb=284d3edd2375f672057aef638c0e0afd41cc559d;hpb=65b819d0afdc7c951d3033b598b01dcf73d2ca16

diff --git a/src/cf/linux-test4.m4 b/src/cf/linux-test4.m4
index ca3942d..b5df711 100644
--- a/src/cf/linux-test4.m4
+++ b/src/cf/linux-test4.m4
@@ -312,3 +312,18 @@ ac_cv_linux_sched_struct_task_struct_has_sigmask_lock=yes,
 ac_cv_linux_sched_struct_task_struct_has_sigmask_lock=no)])
 AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_sigmask_lock)
 CPPFLAGS="$save_CPPFLAGS"])
+
+AC_DEFUN(LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND, [
+AC_MSG_CHECKING(for sighand in struct task_struct)
+save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $CPPFLAGS"
+AC_CACHE_VAL(ac_cv_linux_sched_struct_task_struct_has_sighand,
+[
+AC_TRY_COMPILE(
+[#include <linux/sched.h>],
+[struct task_struct _tsk;
+printf("%d\n", _tsk.sighand);],
+ac_cv_linux_sched_struct_task_struct_has_sighand=yes,
+ac_cv_linux_sched_struct_task_struct_has_sighand=no)])
+AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_sighand)
+CPPFLAGS="$save_CPPFLAGS"])