[uClibc-cvs] uClibc/libc/sysdeps/linux/common/bits kernel_sigaction.h,NONE,1.1
Erik Andersen
andersen at codepoet.org
Wed Jan 22 14:52:03 UTC 2003
Update of /var/cvs/uClibc/libc/sysdeps/linux/common/bits
In directory winder:/tmp/cvs-serv9770/sysdeps/linux/common/bits
Added Files:
kernel_sigaction.h
Log Message:
Looks like sigaction on arm needs adjustment, so split this into
a common header file and a default implementation.
--- NEW FILE: kernel_sigaction.h ---
#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 <sgidefs.h>
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);
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