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workaround bug in linux dup2
[musl]
/
arch
/
x86_64
/
pthread_arch.h
diff --git
a/arch/x86_64/pthread_arch.h
b/arch/x86_64/pthread_arch.h
index
af7ae86
..
c424493
100644
(file)
--- a/
arch/x86_64/pthread_arch.h
+++ b/
arch/x86_64/pthread_arch.h
@@
-5,5
+5,5
@@
static inline struct pthread *__pthread_self()
return self;
}
-#define
PC_AT_SYS(c) \
- (*(uint16_t *)(((ucontext_t *)(c))->uc_mcontext.__gregs[16])==0x050f)
+#define
CANCEL_REG_SP 15
+#define CANCEL_REG_IP 16