patch-2.4.0-test12 linux/include/asm-parisc/shmbuf.h

• Lines: 51
• Date: Tue Dec 5 12:29:39 2000
• Orig file: v2.4.0-test11/linux/include/asm-parisc/shmbuf.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test11/linux/include/asm-parisc/shmbuf.h linux/include/asm-parisc/shmbuf.h
@@ -0,0 +1,50 @@
+#ifndef _PARISC_SHMBUF_H
+#define _PARISC_SHMBUF_H
+
+/* 
+ * The shmid64_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:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct shmid64_ds {
+	struct ipc64_perm	shm_perm;	/* operation perms */
+	unsigned int		__pad1;
+	__kernel_time_t		shm_atime;	/* last attach time */
+	unsigned int		__pad2;
+	__kernel_time_t		shm_dtime;	/* last detach time */
+	unsigned int		__pad3;
+	__kernel_time_t		shm_ctime;	/* last change time */
+	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 int		shm_nattch;	/* no. of current attaches */
+	unsigned int		__unused1;
+	unsigned int		__unused2;
+};
+
+#ifdef __LP64__
+#warning shminfo64 is an undocumented struct
+/* The 'unsigned int' (formerly 'unsigned long') data types below will
+ * ensure that a 32-bit app calling shmctl(*,IPC_INFO,*) will work on
+ * a wide kernel, but if some of these values are meant to contain pointers
+ * they may need to be 'long long' instead. -PB
+ */
+#endif
+struct shminfo64 {
+	unsigned int	shmmax;
+	unsigned int	shmmin;
+	unsigned int	shmmni;
+	unsigned int	shmseg;
+	unsigned int	shmall;
+	unsigned int	__unused1;
+	unsigned int	__unused2;
+	unsigned int	__unused3;
+	unsigned int	__unused4;
+};
+
+#endif /* _PARISC_SHMBUF_H */