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-rw-r--r--bits/sigstack.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/bits/sigstack.h b/bits/sigstack.h
index 3a58e8b..0998256 100644
--- a/bits/sigstack.h
+++ b/bits/sigstack.h
@@ -37,3 +37,19 @@ typedef struct sigaltstack
size_t ss_size;
int ss_flags;
} stack_t;
+
+
+/* Possible values for `ss_flags.'. */
+enum
+{
+ SS_ONSTACK = 0x0001,
+#define SS_ONSTACK SS_ONSTACK
+ SS_DISABLE = 0x0004,
+#define SS_DISABLE SS_DISABLE
+};
+
+/* Minumum stack size for a signal handler. */
+#define MINSIGSTKSZ 8192
+
+/* System default stack size. */
+#define SIGSTKSZ (MINSIGSTKSZ + 32768)