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