old sigsuspend variants in kernel/signal.c

conditional on OLD_SIGSUSPEND/OLD_SIGSUSPEND3, depending on which
variety of that fossil is needed.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/Kconfig b/arch/Kconfig
index c612b5ccfd84..6b1df95ffefc 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -387,4 +387,14 @@ config ODD_RT_SIGACTION
         help
           Architecture has unusual rt_sigaction(2) arguments
 
+config OLD_SIGSUSPEND
+        bool
+        help
+          Architecture has old sigsuspend(2) syscall, of one-argument variety
+
+config OLD_SIGSUSPEND3
+        bool
+        help
+          Even weirder antique ABI - three-argument sigsuspend(2)
+
 source "kernel/gcov/Kconfig"