sigaction.hxx

#pragma once
 
// C++
#include <cstdint>
 
// Linux
#include <signal.h>
 
namespace clues {
 
extern "C" {
 
// deprecated flag that's still set in the sigaction flags obviously
#ifndef SA_RESTORER
#       define SA_RESTORER 0x04000000
#endif
 
using RestorerCB = void (*)();
using SignalCB = void (*)(int);


struct kernel_sigaction {
        SignalCB handler;
        unsigned long flags;
        RestorerCB restorer;
        sigset_t mask;
};

struct kernel_sigaction32 {
        uint32_t handler;
        uint32_t flags;
        uint32_t restorer;
        sigset_t mask;
} __attribute__((packed));

struct kernel_old_sigaction {
        uint32_t handler;
        // old sigset_t consisting of only 4 bytes.
        uint32_t mask;
        uint32_t flags;
        uint32_t restorer;
};
 
} // end extern "C"
 
} // end ns