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authorAl Viro <viro@zeniv.linux.org.uk>2012-12-14 23:09:47 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-12-20 03:07:40 +0400
commit6bf9adfc90370b695cb111116e15fdc0e1906270 (patch)
treeb8e4d369cadad21f33b7a5f7f69d43665f821ddc /include/linux/syscalls.h
parent9b064fc3f95a8e44e929fdf4d6037334ea03d15b (diff)
downloadlinux-6bf9adfc90370b695cb111116e15fdc0e1906270.tar.xz
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/linux/syscalls.h')
-rw-r--r--include/linux/syscalls.h6
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,