[uClibc-cvs] svn commit: trunk/uClibc/libc/sysdeps/linux: alpha/bits common/bits mips/bits powerpc etc...

jocke at uclibc.org jocke at uclibc.org
Sat May 7 22:20:38 UTC 2005


Author: jocke
Date: 2005-05-07 16:20:37 -0600 (Sat, 07 May 2005)
New Revision: 10271

Log:
Hopefully fix the problem reported by Peter Mazinger,
see http://uclibc.org/lists/uclibc/2005-May/011667.html for details.
Not tested by me but I am sure Peter will :)

The toolchain needs to be rebuilt.


Added:
   trunk/uClibc/libc/sysdeps/linux/alpha/bits/shm.h
   trunk/uClibc/libc/sysdeps/linux/mips/bits/shm.h
   trunk/uClibc/libc/sysdeps/linux/powerpc/bits/shm.h
   trunk/uClibc/libc/sysdeps/linux/sparc/bits/shm.h
   trunk/uClibc/libc/sysdeps/linux/x86_64/bits/shm.h

Modified:
   trunk/uClibc/libc/sysdeps/linux/common/bits/shm.h


Changeset:
Added: trunk/uClibc/libc/sysdeps/linux/alpha/bits/shm.h
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/alpha/bits/shm.h	2005-05-07 20:10:07 UTC (rev 10270)
+++ trunk/uClibc/libc/sysdeps/linux/alpha/bits/shm.h	2005-05-07 22:20:37 UTC (rev 10271)
@@ -0,0 +1,100 @@
+/* Copyright (C) 1995, 1996, 1997, 2000, 2002, 2004
+   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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; 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 <bits/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) */
+
+__BEGIN_DECLS
+
+/* Segment low boundary address multiple.  */
+#define SHMLBA		(__getpagesize ())
+extern int __getpagesize (void) __THROW __attribute__ ((__const__));
+
+
+/* Type to count number of attaches.  */
+typedef unsigned long int shmatt_t;
+
+/* Data structure describing a set of semaphores.  */
+struct shmid_ds
+  {
+    struct ipc_perm shm_perm;		/* operation permission struct */
+    size_t 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() */
+    __pid_t shm_cpid;			/* pid of creator */
+    __pid_t shm_lpid;			/* pid of last shmop */
+    shmatt_t shm_nattch;		/* number of current attaches */
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+  };
+
+#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 */
+# define SHM_HUGETLB	04000	/* segment is mapped via hugetlb */
+
+struct	shminfo
+  {
+    unsigned long int shmmax;
+    unsigned long int shmmin;
+    unsigned long int shmmni;
+    unsigned long int shmseg;
+    unsigned long int shmall;
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+    unsigned long int __unused3;
+    unsigned long int __unused4;
+  };
+
+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 */
+
+__END_DECLS

Modified: trunk/uClibc/libc/sysdeps/linux/common/bits/shm.h
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/common/bits/shm.h	2005-05-07 20:10:07 UTC (rev 10270)
+++ trunk/uClibc/libc/sysdeps/linux/common/bits/shm.h	2005-05-07 22:20:37 UTC (rev 10271)
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 2000, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1997,2000,2002,2004 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
@@ -41,26 +41,27 @@
 #define SHMLBA		(__getpagesize ())
 extern int __getpagesize (void) __THROW __attribute__ ((__const__));
 
-__END_DECLS
 
-
 /* Type to count number of attaches.  */
-typedef unsigned short shmatt_t;
+typedef unsigned long int shmatt_t;
 
 /* Data structure describing a set of semaphores.  */
-struct shmid_ds {
-    struct ipc_perm	shm_perm;	/* operation perms */
-    int			shm_segsz;	/* size of segment (bytes) */
-    __kernel_time_t	shm_atime;	/* last attach time */
-    __kernel_time_t	shm_dtime;	/* last detach time */
-    __kernel_time_t	shm_ctime;	/* last change time */
-    __kernel_ipc_pid_t	shm_cpid;	/* pid of creator */
-    __kernel_ipc_pid_t	shm_lpid;	/* pid of last operator */
-    unsigned short	shm_nattch;	/* no. of current attaches */
-    unsigned short 	shm_unused;	/* compatibility */
-    void 		*shm_unused2;	/* ditto - used by DIPC */
-    void		*shm_unused3;	/* unused */
-};
+struct shmid_ds
+  {
+    struct ipc_perm shm_perm;		/* operation permission struct */
+    size_t shm_segsz;			/* size of segment in bytes */
+    __time_t shm_atime;			/* time of last shmat() */
+    unsigned long int __unused1;
+    __time_t shm_dtime;			/* time of last shmdt() */
+    unsigned long int __unused2;
+    __time_t shm_ctime;			/* time of last change by shmctl() */
+    unsigned long int __unused3;
+    __pid_t shm_cpid;			/* pid of creator */
+    __pid_t shm_lpid;			/* pid of last shmop */
+    shmatt_t shm_nattch;		/* number of current attaches */
+    unsigned long int __unused4;
+    unsigned long int __unused5;
+  };
 
 #ifdef __USE_MISC
 
@@ -73,21 +74,29 @@
 # define SHM_LOCKED	02000   /* segment will not be swapped */
 # define SHM_HUGETLB	04000	/* segment is mapped via hugetlb */
 
-struct  shminfo {
-    int shmmax;
-    int shmmin;
-    int shmmni;
-    int shmseg;
-    int shmall;
-};
+struct	shminfo
+  {
+    unsigned long int shmmax;
+    unsigned long int shmmin;
+    unsigned long int shmmni;
+    unsigned long int shmseg;
+    unsigned long int shmall;
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+    unsigned long int __unused3;
+    unsigned long int __unused4;
+  };
 
-struct shm_info {
+struct shm_info
+  {
     int used_ids;
-    unsigned long shm_tot;  /* total allocated shm */
-    unsigned long shm_rss;  /* total resident shm */
-    unsigned long shm_swp;  /* total swapped shm */
-    unsigned long swap_attempts;
-    unsigned long swap_successes;
-};
+    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 */
+
+__END_DECLS

Added: trunk/uClibc/libc/sysdeps/linux/mips/bits/shm.h
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/mips/bits/shm.h	2005-05-07 20:10:07 UTC (rev 10270)
+++ trunk/uClibc/libc/sysdeps/linux/mips/bits/shm.h	2005-05-07 22:20:37 UTC (rev 10271)
@@ -0,0 +1,94 @@
+/* Copyright (C) 1995,1996,1997,2000,2001,2002,2003 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; 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 <bits/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) */
+
+/* Segment low boundary address multiple.  */
+#define SHMLBA		0x40000
+
+
+/* Type to count number of attaches.  */
+typedef unsigned long int shmatt_t;
+
+/* Data structure describing a set of semaphores.  */
+struct shmid_ds
+  {
+    struct ipc_perm shm_perm;		/* operation permission struct */
+    size_t 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() */
+    __pid_t shm_cpid;			/* pid of creator */
+    __pid_t shm_lpid;			/* pid of last shmop */
+    shmatt_t shm_nattch;		/* number of current attaches */
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+  };
+
+#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 */
+# define SHM_HUGETLB	04000	/* segment is mapped via hugetlb */
+
+struct shminfo
+  {
+    unsigned long int shmmax;
+    unsigned long int shmmin;
+    unsigned long int shmmni;
+    unsigned long int shmseg;
+    unsigned long int shmall;
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+    unsigned long int __unused3;
+    unsigned long int __unused4;
+  };
+
+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 */

Added: trunk/uClibc/libc/sysdeps/linux/powerpc/bits/shm.h
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/powerpc/bits/shm.h	2005-05-07 20:10:07 UTC (rev 10270)
+++ trunk/uClibc/libc/sysdeps/linux/powerpc/bits/shm.h	2005-05-07 22:20:37 UTC (rev 10271)
@@ -0,0 +1,113 @@
+/* Copyright (C) 1995, 1996, 1997, 2000, 2002, 2004
+   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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; 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 <bits/types.h>
+#include <bits/wordsize.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) */
+
+__BEGIN_DECLS
+
+/* Segment low boundary address multiple.  */
+#define SHMLBA		(__getpagesize ())
+extern int __getpagesize (void) __THROW __attribute__ ((__const__));
+
+
+/* Type to count number of attaches.  */
+typedef unsigned long int shmatt_t;
+
+/* Data structure describing a set of semaphores.  */
+struct shmid_ds
+  {
+    struct ipc_perm shm_perm;          /* operation permission struct */
+#if __WORDSIZE == 32
+    unsigned int __unused1;
+#endif
+    __time_t shm_atime;                        /* time of last shmat() */
+#if __WORDSIZE == 32
+    unsigned int __unused2;
+#endif
+    __time_t shm_dtime;                        /* time of last shmdt() */
+#if __WORDSIZE == 32
+    unsigned int __unused3;
+#endif
+    __time_t shm_ctime;			/* time of last change by shmctl() */
+#if __WORDSIZE == 32
+    unsigned int __unused4;
+#endif
+    size_t shm_segsz;                  /* size of segment in bytes */
+    __pid_t shm_cpid;                  /* pid of creator */
+    __pid_t shm_lpid;                  /* pid of last shmop */
+    shmatt_t shm_nattch;               /* number of current attaches */
+    unsigned long __unused5;
+    unsigned long __unused6;
+  };
+
+#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 */
+# define SHM_HUGETLB   04000	/* segment is mapped via hugetlb */
+
+struct shminfo
+  {
+    unsigned long int shmmax;
+    unsigned long int shmmin;
+    unsigned long int shmmni;
+    unsigned long int shmseg;
+    unsigned long int shmall;
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+    unsigned long int __unused3;
+    unsigned long int __unused4;
+  };
+
+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 */
+
+__END_DECLS

Added: trunk/uClibc/libc/sysdeps/linux/sparc/bits/shm.h
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/sparc/bits/shm.h	2005-05-07 20:10:07 UTC (rev 10270)
+++ trunk/uClibc/libc/sysdeps/linux/sparc/bits/shm.h	2005-05-07 22:20:37 UTC (rev 10271)
@@ -0,0 +1,110 @@
+/* Copyright (C) 1995, 1996, 1997, 2000, 2002, 2004
+   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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; 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 <bits/types.h>
+#include <bits/wordsize.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) */
+
+__BEGIN_DECLS
+
+/* Segment low boundary address multiple.  */
+#define SHMLBA		(__getpagesize ())
+extern int __getpagesize (void) __THROW __attribute__ ((__const__));
+
+
+/* Type to count number of attaches.  */
+typedef unsigned long int shmatt_t;
+
+/* Data structure describing a set of semaphores.  */
+struct shmid_ds
+  {
+    struct ipc_perm shm_perm;		/* operation permission struct */
+#if __WORDSIZE == 32
+    unsigned int __pad1;
+#endif
+    __time_t shm_atime;			/* time of last shmat() */
+#if __WORDSIZE == 32
+    unsigned int __pad2;
+#endif
+    __time_t shm_dtime;			/* time of last shmdt() */
+#if __WORDSIZE == 32
+    unsigned int __pad3;
+#endif
+    __time_t shm_ctime;			/* time of last change by shmctl() */
+    size_t shm_segsz;			/* size of segment in bytes */
+    __pid_t shm_cpid;			/* pid of creator */
+    __pid_t shm_lpid;			/* pid of last shmop */
+    shmatt_t shm_nattch;		/* number of current attaches */
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+  };
+
+#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 */
+# define SHM_HUGETLB	04000	/* segment is mapped via hugetlb */
+
+struct	shminfo
+  {
+    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;
+  };
+
+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 */
+
+__END_DECLS

Added: trunk/uClibc/libc/sysdeps/linux/x86_64/bits/shm.h
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/x86_64/bits/shm.h	2005-05-07 20:10:07 UTC (rev 10270)
+++ trunk/uClibc/libc/sysdeps/linux/x86_64/bits/shm.h	2005-05-07 22:20:37 UTC (rev 10271)
@@ -0,0 +1,110 @@
+/* Copyright (C) 1995, 1996, 1997, 2000, 2002, 2004
+   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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; 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 <bits/types.h>
+#include <bits/wordsize.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) */
+
+__BEGIN_DECLS
+
+/* Segment low boundary address multiple.  */
+#define SHMLBA		(__getpagesize ())
+extern int __getpagesize (void) __THROW __attribute__ ((__const__));
+
+
+/* Type to count number of attaches.  */
+typedef unsigned long int shmatt_t;
+
+/* Data structure describing a set of semaphores.  */
+struct shmid_ds
+  {
+    struct ipc_perm shm_perm;		/* operation permission struct */
+    size_t shm_segsz;			/* size of segment in bytes */
+    __time_t shm_atime;			/* time of last shmat() */
+#if __WORDSIZE == 32
+    unsigned long int __unused1;
+#endif
+    __time_t shm_dtime;			/* time of last shmdt() */
+#if __WORDSIZE == 32
+    unsigned long int __unused2;
+#endif
+    __time_t shm_ctime;			/* time of last change by shmctl() */
+#if __WORDSIZE == 32
+    unsigned long int __unused3;
+#endif
+    __pid_t shm_cpid;			/* pid of creator */
+    __pid_t shm_lpid;			/* pid of last shmop */
+    shmatt_t shm_nattch;		/* number of current attaches */
+    unsigned long int __unused4;
+    unsigned long int __unused5;
+  };
+
+#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 */
+# define SHM_HUGETLB	04000	/* segment is mapped via hugetlb */
+
+struct	shminfo
+  {
+    unsigned long int shmmax;
+    unsigned long int shmmin;
+    unsigned long int shmmni;
+    unsigned long int shmseg;
+    unsigned long int shmall;
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+    unsigned long int __unused3;
+    unsigned long int __unused4;
+  };
+
+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 */
+
+__END_DECLS




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