Initial version of the CRIS port.

1 files changed, 84 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/cris/bits/shm.h b/libc/sysdeps/linux/cris/bits/shm.h
new file mode 100644
index 000000000..c7070595b
--- /dev/null
+++ b/libc/sysdeps/linux/cris/bits/shm.h
@@ -0,0 +1,84 @@
+/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _SYS_SHM_H
+# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
+#endif
+
+#include <sys/types.h>
+
+/* Permission flag for shmget.  */
+#define SHM_R		0400		/* or S_IRUGO from <linux/stat.h> */
+#define SHM_W		0200		/* or S_IWUGO from <linux/stat.h> */
+
+/* Flags for `shmat'.  */
+#define SHM_RDONLY	010000		/* attach read-only else read-write */
+#define SHM_RND		020000		/* round attach address to SHMLBA */
+#define SHM_REMAP	040000		/* take-over region on attach */
+
+/* Commands for `shmctl'.  */
+#define SHM_LOCK	11		/* lock segment (root only) */
+#define SHM_UNLOCK	12		/* unlock segment (root only) */
+
+
+/* Data structure describing a set of semaphores.  */
+struct shmid_ds
+  {
+    struct ipc_perm shm_perm;		/* operation permission struct */
+    int shm_segsz;			/* size of segment in bytes */
+    __time_t shm_atime;			/* time of last shmat() */
+    __time_t shm_dtime;			/* time of last shmdt() */
+    __time_t shm_ctime;			/* time of last change by shmctl() */
+    __ipc_pid_t shm_cpid;		/* pid of creator */
+    __ipc_pid_t shm_lpid;		/* pid of last shmop */
+    unsigned short int shm_nattch;	/* number of current attaches */
+    unsigned short int __shm_npages;	/* size of segment (pages) */
+    unsigned long int *__shm_pages;	/* array of ptrs to frames -> SHMMAX */
+    struct vm_area_struct *__attaches;	/* descriptors for attaches */
+  };
+
+#ifdef __USE_MISC
+
+/* ipcs ctl commands */
+# define SHM_STAT 	13
+# define SHM_INFO 	14
+
+/* shm_mode upper byte flags */
+# define SHM_DEST	01000	/* segment will be destroyed on last detach */
+# define SHM_LOCKED	02000   /* segment will not be swapped */
+
+struct	shminfo
+  {
+    int shmmax;
+    int shmmin;
+    int shmmni;
+    int shmseg;
+    int shmall;
+  };
+
+struct shm_info
+  {
+    int used_ids;
+    unsigned long int shm_tot;	/* total allocated shm */
+    unsigned long int shm_rss;	/* total resident shm */
+    unsigned long int shm_swp;	/* total swapped shm */
+    unsigned long int swap_attempts;
+    unsigned long int swap_successes;
+  };
+
+#endif /* __USE_MISC */