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generic sys_compat_rt_sigaction()

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Again, protected by a temporary config symbol (GENERIC_COMPAT_RT_SIGACTION);
will be gone by the end of series.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-12-25 18:38:15 -05:00
parent 574c4866e3
commit 08d32fe504
3 changed files with 76 additions and 0 deletions
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24
include/linux/compat.h
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@@ -142,6 +142,22 @@ typedef struct {
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
} compat_sigset_t;
#ifdef CONFIG_GENERIC_COMPAT_RT_SIGACTION
struct compat_sigaction {
#ifndef __ARCH_HAS_ODD_SIGACTION
compat_uptr_t sa_handler;
compat_ulong_t sa_flags;
#else
compat_ulong_t sa_flags;
compat_uptr_t sa_handler;
#endif
#ifdef __ARCH_HAS_SA_RESTORER
compat_uptr_t sa_restorer;
#endif
compat_sigset_t sa_mask __packed;
};
#endif
/*
* These functions operate strictly on struct compat_time*
*/
@@ -602,6 +618,14 @@ asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set,
asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset,
compat_size_t sigsetsize);
#endif
#ifndef CONFIG_ODD_RT_SIGACTION
#ifdef CONFIG_GENERIC_COMPAT_RT_SIGACTION
asmlinkage long compat_sys_rt_sigaction(int,
const struct compat_sigaction __user *,
struct compat_sigaction __user *,
compat_size_t);
#endif
#endif
#ifdef CONFIG_GENERIC_COMPAT_RT_SIGQUEUEINFO
asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig,
struct compat_siginfo __user *uinfo);