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authorAl Viro <viro@zeniv.linux.org.uk>2012-12-25 13:32:58 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-03 15:09:19 -0500
commit322a56cb1fcbe228eee5cdb8a9c6df9f797d998c (patch)
treefeedbad82fdfacf9f4d5ddd343905f6057a71fee /kernel/compat.c
parentad4b65a434bdd2ff37d095ab1ccd836203e985ba (diff)
downloadlinux-sh-322a56cb1fcbe228eee5cdb8a9c6df9f797d998c.tar.gz
generic compat_sys_rt_sigprocmask()
conditional on GENERIC_COMPAT_RT_SIGPROCMASK; by the end of that series it will become the same thing as COMPAT and conditional will die out. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel/compat.c')
-rw-r--r--kernel/compat.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/kernel/compat.c b/kernel/compat.c
index 0c07d435254f..e2a9c4785988 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -971,7 +971,7 @@ long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
}
void
-sigset_from_compat (sigset_t *set, compat_sigset_t *compat)
+sigset_from_compat(sigset_t *set, const compat_sigset_t *compat)
{
switch (_NSIG_WORDS) {
case 4: set->sig[3] = compat->sig[6] | (((long)compat->sig[7]) << 32 );
@@ -982,6 +982,17 @@ sigset_from_compat (sigset_t *set, compat_sigset_t *compat)
}
EXPORT_SYMBOL_GPL(sigset_from_compat);
+void
+sigset_to_compat(compat_sigset_t *compat, const sigset_t *set)
+{
+ switch (_NSIG_WORDS) {
+ case 4: compat->sig[7] = (set->sig[3] >> 32); compat->sig[6] = set->sig[3];
+ case 3: compat->sig[5] = (set->sig[2] >> 32); compat->sig[4] = set->sig[2];
+ case 2: compat->sig[3] = (set->sig[1] >> 32); compat->sig[2] = set->sig[1];
+ case 1: compat->sig[1] = (set->sig[0] >> 32); compat->sig[0] = set->sig[0];
+ }
+}
+
asmlinkage long
compat_sys_rt_sigtimedwait (compat_sigset_t __user *uthese,
struct compat_siginfo __user *uinfo,