mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
f69c97f6a4
parisc, uses a nonstandard variation of the generic sysvipc data structures, intended to have the padding moved around so it can deal with big-endian 32-bit user space that has 64-bit time_t. Unlike most architectures, parisc actually succeeded in defining this right for big-endian CPUs, but as everyone else got it wrong, we just use the same hack everywhere. This takes just take the same approach here that we have for the asm-generic headers and adds separate 32-bit fields for the upper halves of the timestamps, to let libc deal with the mess in user space. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
33 lines
904 B
C
33 lines
904 B
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
#ifndef _PARISC_SEMBUF_H
|
|
#define _PARISC_SEMBUF_H
|
|
|
|
#include <asm/bitsperlong.h>
|
|
|
|
/*
|
|
* The semid64_ds structure for parisc 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
|
|
*/
|
|
|
|
struct semid64_ds {
|
|
struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
|
|
#if __BITS_PER_LONG == 64
|
|
__kernel_time_t sem_otime; /* last semop time */
|
|
__kernel_time_t sem_ctime; /* last change time */
|
|
#else
|
|
unsigned long sem_otime_high;
|
|
unsigned long sem_otime; /* last semop time */
|
|
unsigned long sem_ctime_high;
|
|
unsigned long sem_ctime; /* last change time */
|
|
#endif
|
|
unsigned long sem_nsems; /* no. of semaphores in array */
|
|
unsigned long __unused1;
|
|
unsigned long __unused2;
|
|
};
|
|
|
|
#endif /* _PARISC_SEMBUF_H */
|