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-rw-r--r--include/linux/sem.h32
1 files changed, 4 insertions, 28 deletions
diff --git a/include/linux/sem.h b/include/linux/sem.h
index 976ce3a19f1b..275269ce2ec8 100644
--- a/include/linux/sem.h
+++ b/include/linux/sem.h
@@ -1,44 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SEM_H
#define _LINUX_SEM_H
-#include <linux/atomic.h>
-#include <linux/rcupdate.h>
-#include <linux/cache.h>
#include <uapi/linux/sem.h>
+#include <linux/sem_types.h>
struct task_struct;
-/* One sem_array data structure for each set of semaphores in the system. */
-struct sem_array {
- struct kern_ipc_perm ____cacheline_aligned_in_smp
- sem_perm; /* permissions .. see ipc.h */
- time_t sem_ctime; /* last change time */
- struct sem *sem_base; /* ptr to first semaphore in array */
- struct list_head pending_alter; /* pending operations */
- /* that alter the array */
- struct list_head pending_const; /* pending complex operations */
- /* that do not alter semvals */
- struct list_head list_id; /* undo requests on this array */
- int sem_nsems; /* no. of semaphores in array */
- int complex_count; /* pending complex operations */
-};
-
#ifdef CONFIG_SYSVIPC
-struct sysv_sem {
- struct sem_undo_list *undo_list;
-};
-
-extern int copy_semundo(unsigned long clone_flags, struct task_struct *tsk);
+extern int copy_semundo(u64 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)
+static inline int copy_semundo(u64 clone_flags, struct task_struct *tsk)
{
return 0;
}