From 49bf4a5a4c54d8bf1c32ce29c23d1cbbf8a4b0a4 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Wed, 22 Jan 2003 14:51:59 +0000 Subject: Looks like sigaction on arm needs adjustment, so split this into a common header file and a default implementation. --- libc/sysdeps/linux/common/bits/kernel_sigaction.h | 92 +++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 libc/sysdeps/linux/common/bits/kernel_sigaction.h (limited to 'libc/sysdeps/linux/common/bits/kernel_sigaction.h') diff --git a/libc/sysdeps/linux/common/bits/kernel_sigaction.h b/libc/sysdeps/linux/common/bits/kernel_sigaction.h new file mode 100644 index 000000000..5bb129961 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/kernel_sigaction.h @@ -0,0 +1,92 @@ +#ifndef _BITS_STAT_STRUCT_H +#define _BITS_STAT_STRUCT_H + +/* This file provides whatever this particular arch's kernel thinks + * the sigaction struct should look like... */ + +#if defined(__alpha__) +#undef HAVE_SA_RESTORER +/* This is the sigaction struction from the Linux 2.1.20 kernel. */ +struct old_kernel_sigaction { + __sighandler_t k_sa_handler; + unsigned long sa_mask; + unsigned int sa_flags; +}; +/* This is the sigaction structure from the Linux 2.1.68 kernel. */ +struct kernel_sigaction { + __sighandler_t k_sa_handler; + unsigned int sa_flags; + sigset_t sa_mask; +}; +#elif defined(__hppa__) +#undef HAVE_SA_RESTORER +/* This is the sigaction struction from the Linux 2.1.20 kernel. */ +/* Blah. This is bogus. We don't ever use it. */ +struct old_kernel_sigaction { + __sighandler_t k_sa_handler; + unsigned long sa_mask; + unsigned long sa_flags; +}; +/* This is the sigaction structure from the Linux 2.1.68 kernel. */ +struct kernel_sigaction { + __sighandler_t k_sa_handler; + unsigned long sa_flags; + sigset_t sa_mask; +}; +#elif defined(__mips__) +#define HAVE_SA_RESTORER +/* This is the sigaction structure from the Linux 2.1.24 kernel. */ +#include +struct old_kernel_sigaction { + unsigned int sa_flags; + __sighandler_t k_sa_handler; + unsigned long sa_mask; + unsigned int __pad0[3]; /* reserved, keep size constant */ + /* Abi says here follows reserved int[2] */ + void (*sa_restorer)(void); +#if (_MIPS_ISA == _MIPS_ISA_MIPS1) || (_MIPS_ISA == _MIPS_ISA_MIPS2) + /* For 32 bit code we have to pad struct sigaction to get + * constant size for the ABI */ + int pad1[1]; /* reserved */ +#endif +}; +#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 */ +}; +#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 + +extern int __rt_sigaction (int, const struct kernel_sigaction *__unbounded, + struct kernel_sigaction *__unbounded, size_t); + +extern int __sigaction (int, const struct old_kernel_sigaction *__unbounded, + struct old_kernel_sigaction *__unbounded); + -- cgit v1.2.3