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-rw-r--r--arch/x86_64/bits/signal.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86_64/bits/signal.h b/arch/x86_64/bits/signal.h
index d5f01ced..910e4ecb 100644
--- a/arch/x86_64/bits/signal.h
+++ b/arch/x86_64/bits/signal.h
@@ -69,6 +69,12 @@ typedef struct __ucontext {
unsigned long __fpregs_mem[64];
} ucontext_t;
+typedef struct sigaltstack {
+ void *ss_sp;
+ int ss_flags;
+ size_t ss_size;
+} stack_t;
+
#define SA_NOCLDSTOP 1
#define SA_NOCLDWAIT 2
#define SA_SIGINFO 4