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-rw-r--r--Libraries/LibC/signal.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/Libraries/LibC/signal.h b/Libraries/LibC/signal.h
index 798f5dad13..78acb24924 100644
--- a/Libraries/LibC/signal.h
+++ b/Libraries/LibC/signal.h
@@ -44,6 +44,13 @@ extern const char* sys_siglist[NSIG];
#define SA_NOCLDSTOP 1
#define SA_NOCLDWAIT 2
#define SA_SIGINFO 4
+#define SA_ONSTACK 0x08000000
+#define SA_RESTART 0x10000000
+#define SA_NODEFER 0x40000000
+#define SA_RESETHAND 0x80000000
+
+#define SA_NOMASK SA_NODEFER
+#define SA_ONESHOT SA_RESETHAND
#define SIG_BLOCK 0
#define SIG_UNBLOCK 1