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-rw-r--r--include/linux/sem.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/sem.h b/include/linux/sem.h
index 4648426..10d6b22 100644
--- a/include/linux/sem.h
+++ b/include/linux/sem.h
@@ -96,16 +96,21 @@ struct sem_array {
int complex_count; /* pending complex operations */
};
+#ifdef CONFIG_SYSVIPC
+
struct sysv_sem {
struct sem_undo_list *undo_list;
};
-#ifdef CONFIG_SYSVIPC
-
extern int copy_semundo(unsigned long clone_flags, struct task_struct *tsk);
extern void exit_sem(struct task_struct *tsk);
#else
+
+struct sysv_sem {
+ /* empty */
+};
+
static inline int copy_semundo(unsigned long clone_flags, struct task_struct *tsk)
{
return 0;
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