shithub: scc

ref: a004412434813b0500807d46d09c2d0cef13205d
dir: /include/bits/linux/amd64/arch/sigaction.h/

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#define SA_RESTORER   0x04000000

struct sigaction {
        void (*sa_handler)(int);
        unsigned long sa_flags;
        void (*sa_restorer)(void);
        unsigned sa_mask[2];
};

extern int __sigaction(int, struct sigaction *, struct sigaction *, size_t);