cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / x86_64-linux-gnu / bits / shm.h

diff --git a/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/shm.h b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/shm.h
new file mode 100644 (file)
index 0000000..767bb78
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/shm.h
@@ -0,0 +1,110 @@
+/* Copyright (C) 1995-2018 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#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 */
+#define SHM_EXEC       0100000         /* execution access */
+
+/* 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 __syscall_ulong_t shmatt_t;
+
+/* Data structure describing a shared memory segment.  */
+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() */
+#ifndef __x86_64__
+    unsigned long int __glibc_reserved1;
+#endif
+    __time_t shm_dtime;                        /* time of last shmdt() */
+#ifndef __x86_64__
+    unsigned long int __glibc_reserved2;
+#endif
+    __time_t shm_ctime;                        /* time of last change by shmctl() */
+#ifndef __x86_64__
+    unsigned long int __glibc_reserved3;
+#endif
+    __pid_t shm_cpid;                  /* pid of creator */
+    __pid_t shm_lpid;                  /* pid of last shmop */
+    shmatt_t shm_nattch;               /* number of current attaches */
+    __syscall_ulong_t __glibc_reserved4;
+    __syscall_ulong_t __glibc_reserved5;
+  };
+
+#ifdef __USE_MISC
+
+/* ipcs ctl commands */
+# define SHM_STAT      13
+# define SHM_INFO      14
+# define SHM_STAT_ANY  15
+
+/* 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 */
+# define SHM_NORESERVE 010000  /* don't check for reservations */
+
+struct shminfo
+  {
+    __syscall_ulong_t shmmax;
+    __syscall_ulong_t shmmin;
+    __syscall_ulong_t shmmni;
+    __syscall_ulong_t shmseg;
+    __syscall_ulong_t shmall;
+    __syscall_ulong_t __glibc_reserved1;
+    __syscall_ulong_t __glibc_reserved2;
+    __syscall_ulong_t __glibc_reserved3;
+    __syscall_ulong_t __glibc_reserved4;
+  };
+
+struct shm_info
+  {
+    int used_ids;
+    __syscall_ulong_t shm_tot; /* total allocated shm */
+    __syscall_ulong_t shm_rss; /* total resident shm */
+    __syscall_ulong_t shm_swp; /* total swapped shm */
+    __syscall_ulong_t swap_attempts;
+    __syscall_ulong_t swap_successes;
+  };
+
+#endif /* __USE_MISC */
+
+__END_DECLS