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#ifndef _BITS_SIGACTION_STRUCT_H
#define _BITS_SIGACTION_STRUCT_H
/* This file provides whatever this particular arch's kernel thinks
* the sigaction struct should look like... */
#undef NO_OLD_SIGACTION
#if defined(__mips__)
#undef HAVE_SA_RESTORER
/* This is the sigaction structure from the Linux 2.1.24 kernel. */
#include <sgidefs.h>
struct old_kernel_sigaction {
__sighandler_t k_sa_handler;
unsigned int sa_flags;
unsigned long sa_mask;
};
#define _KERNEL_NSIG 128
#define _KERNEL_NSIG_BPW 32
#define _KERNEL_NSIG_WORDS (_KERNEL_NSIG / _KERNEL_NSIG_BPW)
typedef struct {
unsigned long sig[_KERNEL_NSIG_WORDS];
} kernel_sigset_t;
/* This is the sigaction structure from the Linux 2.1.68 kernel. */
struct kernel_sigaction {
unsigned int sa_flags;
__sighandler_t k_sa_handler;
kernel_sigset_t sa_mask;
void (*sa_restorer)(void);
int s_resv[1]; /* reserved */
};
#elif defined(__ia64__)
#define NO_OLD_SIGACTION
#undef HAVE_SA_RESTORER
struct kernel_sigaction {
__sighandler_t k_sa_handler;
unsigned long sa_flags;
sigset_t sa_mask;
};
#else
#define HAVE_SA_RESTORER
/* This is the sigaction structure from the Linux 2.1.20 kernel. */
struct old_kernel_sigaction {
__sighandler_t k_sa_handler;
unsigned long sa_mask;
unsigned long sa_flags;
void (*sa_restorer) (void);
};
/* This is the sigaction structure from the Linux 2.1.68 kernel. */
struct kernel_sigaction {
__sighandler_t k_sa_handler;
unsigned long sa_flags;
void (*sa_restorer) (void);
sigset_t sa_mask;
};
#endif
#ifndef NO_OLD_SIGACTION
extern int __syscall_sigaction (int, const struct old_kernel_sigaction *__unbounded,
struct old_kernel_sigaction *__unbounded) attribute_hidden;
#endif
extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *__unbounded,
struct kernel_sigaction *__unbounded, size_t) attribute_hidden;
#endif /* _BITS_SIGACTION_STRUCT_H */
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