Make c-stack work on Haiku.

[gnulib.git] / lib / c-stack.c

diff --git a/lib/c-stack.c b/lib/c-stack.c
index ae300af..023f847 100644 (file)
--- a/lib/c-stack.c
+++ b/lib/c-stack.c
@@ -82,6 +82,9 @@ typedef struct sigaltstack stack_t;
 # define SIGACTION_WORKS 1
 #else
 # define SIGACTION_WORKS 0
+# ifndef SA_ONSTACK
+#  define SA_ONSTACK 0
+# endif
 #endif
 
 extern char *program_name;
@@ -317,7 +320,7 @@ c_stack_action (void (*action) (int))
   act.sa_flags = SA_NODEFER | SA_ONSTACK | SA_RESETHAND | SA_SIGINFO;
   act.sa_sigaction = segv_handler;
 # else
-  act.sa_flags = SA_NODEFER | SA_RESETHAND;
+  act.sa_flags = SA_NODEFER | SA_ONSTACK | SA_RESETHAND;
   act.sa_handler = die;
 # endif