arch/parisc/include/uapi/asm/shmbuf.h

Source file repositories/reference/linux-study-clean/arch/parisc/include/uapi/asm/shmbuf.h

File Facts

System
Linux kernel
Corpus path
arch/parisc/include/uapi/asm/shmbuf.h
Extension
.h
Size
1481 bytes
Lines
54
Domain
Architecture Layer
Bucket
arch/parisc
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

struct shmid64_ds {
	struct ipc64_perm	shm_perm;	/* operation perms */
#if __BITS_PER_LONG == 64
	long			shm_atime;	/* last attach time */
	long			shm_dtime;	/* last detach time */
	long			shm_ctime;	/* last change time */
#else
	unsigned long		shm_atime_high;
	unsigned long		shm_atime;	/* last attach time */
	unsigned long		shm_dtime_high;
	unsigned long		shm_dtime;	/* last detach time */
	unsigned long		shm_ctime_high;
	unsigned long		shm_ctime;	/* last change time */
	unsigned int		__pad4;
#endif
	__kernel_size_t		shm_segsz;	/* size of segment (bytes) */
	__kernel_pid_t		shm_cpid;	/* pid of creator */
	__kernel_pid_t		shm_lpid;	/* pid of last operator */
	unsigned long		shm_nattch;	/* no. of current attaches */
	unsigned long		__unused1;
	unsigned long		__unused2;
};

struct shminfo64 {
	unsigned long	shmmax;
	unsigned long	shmmin;
	unsigned long	shmmni;
	unsigned long	shmseg;
	unsigned long	shmall;
	unsigned long	__unused1;
	unsigned long	__unused2;
	unsigned long	__unused3;
	unsigned long	__unused4;
};

#endif /* _PARISC_SHMBUF_H */

Annotation

Implementation Notes