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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__)
- /* We have libc/sysdeps/linux/mips/bits/kernel_sigaction.h,
- * so this should never be used. Lets see whether it is true. */
- struct BUG_is_here { char BUG_is_here[-1]; };
- #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 *,
- struct old_kernel_sigaction *) attribute_hidden;
- #endif
- extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *,
- struct kernel_sigaction *, size_t) attribute_hidden;
- #endif /* _BITS_SIGACTION_STRUCT_H */
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