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author | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-14 20:09:47 +0100 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-20 00:07:40 +0100 |
commit | 6bf9adfc90370b695cb111116e15fdc0e1906270 (patch) | |
tree | b8e4d369cadad21f33b7a5f7f69d43665f821ddc /include | |
parent | new helper: compat_user_stack_pointer() (diff) | |
download | linux-6bf9adfc90370b695cb111116e15fdc0e1906270.tar.xz linux-6bf9adfc90370b695cb111116e15fdc0e1906270.zip |
introduce generic sys_sigaltstack(), switch x86 and um to it
Conditional on CONFIG_GENERIC_SIGALTSTACK; architectures that do not
select it are completely unaffected
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/syscalls.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 9fe5f946526e..6ca1e08210c6 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -63,6 +63,7 @@ struct getcpu_cache; struct old_linux_dirent; struct perf_event_attr; struct file_handle; +struct sigaltstack; #include <linux/types.h> #include <linux/aio_abi.h> @@ -299,6 +300,11 @@ asmlinkage long sys_personality(unsigned int personality); asmlinkage long sys_sigpending(old_sigset_t __user *set); asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set, old_sigset_t __user *oset); +#ifdef CONFIG_GENERIC_SIGALTSTACK +asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss, + struct sigaltstack __user *uoss); +#endif + asmlinkage long sys_getitimer(int which, struct itimerval __user *value); asmlinkage long sys_setitimer(int which, struct itimerval __user *value, |