linux-headers/asm/sembuf.h
2023-06-07 11:35:51 +00:00

37 lines
1.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_X86_SEMBUF_H
#define _ASM_X86_SEMBUF_H
#include <asm/ipcbuf.h>
/*
* The semid64_ds structure for x86 architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space is left for:
* - 2 miscellaneous 32-bit values
*
* x86_64 and x32 incorrectly added padding here, so the structures
* are still incompatible with the padding on x86.
*/
struct semid64_ds {
struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
#ifdef __i386__
unsigned long sem_otime; /* last semop time */
unsigned long sem_otime_high;
unsigned long sem_ctime; /* last change time */
unsigned long sem_ctime_high;
#else
__kernel_long_t sem_otime; /* last semop time */
__kernel_ulong_t __unused1;
__kernel_long_t sem_ctime; /* last change time */
__kernel_ulong_t __unused2;
#endif
__kernel_ulong_t sem_nsems; /* no. of semaphores in array */
__kernel_ulong_t __unused3;
__kernel_ulong_t __unused4;
};
#endif /* _ASM_X86_SEMBUF_H */