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-rw-r--r--libc/misc/sysvipc/ipc.h2
-rw-r--r--libc/misc/sysvipc/msgq.c4
-rw-r--r--libc/misc/sysvipc/sem.c4
-rw-r--r--libc/misc/sysvipc/shm.c4
-rw-r--r--libc/sysdeps/linux/alpha/bits/ipc.h55
-rw-r--r--libc/sysdeps/linux/common/bits/ipc.h26
-rw-r--r--libc/sysdeps/linux/common/bits/msq.h31
-rw-r--r--libc/sysdeps/linux/mips/bits/ipc.h55
-rw-r--r--libc/sysdeps/linux/mips/bits/msq.h74
-rw-r--r--libc/sysdeps/linux/powerpc/bits/ipc.h54
-rw-r--r--libc/sysdeps/linux/powerpc/bits/msq.h7
-rw-r--r--libc/sysdeps/linux/sparc/bits/ipc.h62
-rw-r--r--libc/sysdeps/linux/x86_64/bits/msq.h83
13 files changed, 427 insertions, 34 deletions
diff --git a/libc/misc/sysvipc/ipc.h b/libc/misc/sysvipc/ipc.h
index 741b720bc..e1b94ad12 100644
--- a/libc/misc/sysvipc/ipc.h
+++ b/libc/misc/sysvipc/ipc.h
@@ -4,6 +4,8 @@
#ifdef __NR_ipc
+#define __IPC_64 0x100
+
/* The actual system call: all functions are multiplexed by this. */
extern int __syscall_ipc __P((int __call, int __first, int __second,
int __third, void *__ptr));
diff --git a/libc/misc/sysvipc/msgq.c b/libc/misc/sysvipc/msgq.c
index d4f48e7ad..411ea3ea4 100644
--- a/libc/misc/sysvipc/msgq.c
+++ b/libc/misc/sysvipc/msgq.c
@@ -6,12 +6,12 @@
#ifdef L_msgctl
#ifdef __NR_msgctl
-_syscall3(int, msgctl, int, msqid, int, cmd, struct msqid_ds *, buf);
+_syscall3(int, msgctl, int, msqid, int, cmd | __IPC_64, struct msqid_ds *, buf);
#else
/* Message queue control operation. */
int msgctl (int msqid, int cmd, struct msqid_ds *buf)
{
- return __syscall_ipc(IPCOP_msgctl ,msqid ,cmd ,0 ,buf);
+ return __syscall_ipc(IPCOP_msgctl ,msqid ,cmd | __IPC_64 ,0 ,buf);
}
#endif
#endif
diff --git a/libc/misc/sysvipc/sem.c b/libc/misc/sysvipc/sem.c
index 8c9672bad..ccbe25b46 100644
--- a/libc/misc/sysvipc/sem.c
+++ b/libc/misc/sysvipc/sem.c
@@ -51,9 +51,9 @@ int semctl(int semid, int semnum, int cmd, ...)
arg = va_arg (ap, union semun);
va_end (ap);
#ifdef __NR_semctl
- return __semctl(semid, semnum, cmd, arg.__pad);
+ return __semctl(semid, semnum, cmd | __IPC_64, arg.__pad);
#else
- return __syscall_ipc(IPCOP_semctl, semid, semnum, cmd, &arg);
+ return __syscall_ipc(IPCOP_semctl, semid, semnum, cmd | __IPC_64, &arg);
#endif
}
#endif
diff --git a/libc/misc/sysvipc/shm.c b/libc/misc/sysvipc/shm.c
index 8193ac2f0..d21d9f54b 100644
--- a/libc/misc/sysvipc/shm.c
+++ b/libc/misc/sysvipc/shm.c
@@ -48,11 +48,11 @@ void * shmat (int shmid, const void *shmaddr, int shmflg)
#ifdef L_shmctl
/* Provide operations to control over shared memory segments. */
#ifdef __NR_shmctl
-_syscall3(int, shmctl, int, shmid, int, cmd, struct shmid_ds *, buf);
+_syscall3(int, shmctl, int, shmid, int, cmd | __IPC_64, struct shmid_ds *, buf);
#else
int shmctl (int shmid, int cmd, struct shmid_ds *buf)
{
- return __syscall_ipc(IPCOP_shmctl, shmid, cmd, 0, buf);
+ return __syscall_ipc(IPCOP_shmctl, shmid, cmd | __IPC_64 , 0, buf);
}
#endif
#endif
diff --git a/libc/sysdeps/linux/alpha/bits/ipc.h b/libc/sysdeps/linux/alpha/bits/ipc.h
new file mode 100644
index 000000000..77f3c938d
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/ipc.h
@@ -0,0 +1,55 @@
+/* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 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_IPC_H
+# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Mode bits for `msgget', `semget', and `shmget'. */
+#define IPC_CREAT 01000 /* Create key if key does not exist. */
+#define IPC_EXCL 02000 /* Fail if key exists. */
+#define IPC_NOWAIT 04000 /* Return error on wait. */
+
+/* Control commands for `msgctl', `semctl', and `shmctl'. */
+#define IPC_RMID 0 /* Remove identifier. */
+#define IPC_SET 1 /* Set `ipc_perm' options. */
+#define IPC_STAT 2 /* Get `ipc_perm' options. */
+#ifdef __USE_GNU
+# define IPC_INFO 3 /* See ipcs. */
+#endif
+
+/* Special key values. */
+#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
+
+
+/* Data structure used to pass permission information to IPC operations. */
+struct ipc_perm
+ {
+ __key_t __key; /* Key. */
+ unsigned int uid; /* Owner's user ID. */
+ unsigned int gid; /* Owner's group ID. */
+ unsigned int cuid; /* Creator's user ID. */
+ unsigned int cgid; /* Creator's group ID. */
+ unsigned int mode; /* Read/write permission. */
+ unsigned short int __seq; /* Sequence number. */
+ unsigned short int __pad1;
+ unsigned long int __unused1;
+ unsigned long int __unused2;
+ };
diff --git a/libc/sysdeps/linux/common/bits/ipc.h b/libc/sysdeps/linux/common/bits/ipc.h
index 7103365ac..7cd2fd0c5 100644
--- a/libc/sysdeps/linux/common/bits/ipc.h
+++ b/libc/sysdeps/linux/common/bits/ipc.h
@@ -35,22 +35,22 @@
# define IPC_INFO 3 /* See ipcs. */
#endif
-/* Type of a SYSV IPC key. */
-typedef int __kernel_key_t;
-
/* Special key values. */
#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
-
/* Data structure used to pass permission information to IPC operations. */
struct ipc_perm
-{
- __kernel_key_t __key;
- __kernel_uid_t uid;
- __kernel_gid_t gid;
- __kernel_uid_t cuid;
- __kernel_gid_t cgid;
- __kernel_mode_t mode;
- unsigned long seq;
-};
+ {
+ __key_t __key; /* Key. */
+ __uid_t uid; /* Owner's user ID. */
+ __gid_t gid; /* Owner's group ID. */
+ __uid_t cuid; /* Creator's user ID. */
+ __gid_t cgid; /* Creator's group ID. */
+ unsigned short int mode; /* Read/write permission. */
+ unsigned short int __pad1;
+ unsigned short int __seq; /* Sequence number. */
+ unsigned short int __pad2;
+ unsigned long int __unused1;
+ unsigned long int __unused2;
+ };
diff --git a/libc/sysdeps/linux/common/bits/msq.h b/libc/sysdeps/linux/common/bits/msq.h
index c5b3ca8df..cd4624301 100644
--- a/libc/sysdeps/linux/common/bits/msq.h
+++ b/libc/sysdeps/linux/common/bits/msq.h
@@ -32,23 +32,24 @@
typedef unsigned long int msgqnum_t;
typedef unsigned long int msglen_t;
-
/* Structure of record for one message inside the kernel.
The type `struct msg' is opaque. */
-struct msqid_ds {
- struct ipc_perm msg_perm;
- struct msg *msg_first; /* first message on queue,unused */
- struct msg *msg_last; /* last message in queue,unused */
- __kernel_time_t msg_stime; /* last msgsnd time */
- __kernel_time_t msg_rtime; /* last msgrcv time */
- __kernel_time_t msg_ctime; /* last change time */
- unsigned long msg_lcbytes; /* Reuse junk fields for 32 bit */
- unsigned long msg_lqbytes; /* ditto */
- unsigned short __msg_cbytes; /* current number of bytes on queue */
- unsigned short msg_qnum; /* number of messages in queue */
- unsigned short msg_qbytes; /* max number of bytes on queue */
- __kernel_ipc_pid_t msg_lspid; /* pid of last msgsnd */
- __kernel_ipc_pid_t msg_lrpid; /* last receive pid */
+struct msqid_ds
+{
+ struct ipc_perm msg_perm; /* structure describing operation permission */
+ __time_t msg_stime; /* time of last msgsnd command */
+ unsigned long int __unused1;
+ __time_t msg_rtime; /* time of last msgrcv command */
+ unsigned long int __unused2;
+ __time_t msg_ctime; /* time of last change */
+ unsigned long int __unused3;
+ unsigned long int __msg_cbytes; /* current number of bytes on queue */
+ msgqnum_t msg_qnum; /* number of messages currently on queue */
+ msglen_t msg_qbytes; /* max number of bytes allowed on queue */
+ __pid_t msg_lspid; /* pid of last msgsnd() */
+ __pid_t msg_lrpid; /* pid of last msgrcv() */
+ unsigned long int __unused4;
+ unsigned long int __unused5;
};
#ifdef __USE_MISC
diff --git a/libc/sysdeps/linux/mips/bits/ipc.h b/libc/sysdeps/linux/mips/bits/ipc.h
new file mode 100644
index 000000000..1f629ce66
--- /dev/null
+++ b/libc/sysdeps/linux/mips/bits/ipc.h
@@ -0,0 +1,55 @@
+/* Copyright (C) 1995, 96, 97, 98, 99, 2000, 2001 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_IPC_H
+# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Mode bits for `msgget', `semget', and `shmget'. */
+#define IPC_CREAT 01000 /* Create key if key does not exist. */
+#define IPC_EXCL 02000 /* Fail if key exists. */
+#define IPC_NOWAIT 04000 /* Return error on wait. */
+
+/* Control commands for `msgctl', `semctl', and `shmctl'. */
+#define IPC_RMID 0 /* Remove identifier. */
+#define IPC_SET 1 /* Set `ipc_perm' options. */
+#define IPC_STAT 2 /* Get `ipc_perm' options. */
+#ifdef __USE_GNU
+# define IPC_INFO 3 /* See ipcs. */
+#endif
+
+/* Special key values. */
+#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
+
+
+/* Data structure used to pass permission information to IPC operations. */
+struct ipc_perm
+ {
+ __key_t __key; /* Key. */
+ unsigned int uid; /* Owner's user ID. */
+ unsigned int gid; /* Owner's group ID. */
+ unsigned int cuid; /* Creator's user ID. */
+ unsigned int cgid; /* Creator's group ID. */
+ unsigned int mode; /* Read/write permission. */
+ unsigned short int __seq; /* Sequence number. */
+ unsigned short int __pad1;
+ unsigned long int __unused1;
+ unsigned long int __unused2;
+};
diff --git a/libc/sysdeps/linux/mips/bits/msq.h b/libc/sysdeps/linux/mips/bits/msq.h
new file mode 100644
index 000000000..c2c1dd2e8
--- /dev/null
+++ b/libc/sysdeps/linux/mips/bits/msq.h
@@ -0,0 +1,74 @@
+/* Copyright (C) 2002 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_MSG_H
+# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Define options for message queue functions. */
+#define MSG_NOERROR 010000 /* no error if message is too big */
+#ifdef __USE_GNU
+# define MSG_EXCEPT 020000 /* recv any msg except of specified type */
+#endif
+
+/* Types used in the structure definition. */
+typedef unsigned long int msgqnum_t;
+typedef unsigned long int msglen_t;
+
+
+/* Structure of record for one message inside the kernel.
+ The type `struct msg' is opaque. */
+struct msqid_ds
+{
+ struct ipc_perm msg_perm; /* structure describing operation permission */
+ __time_t msg_stime; /* time of last msgsnd command */
+ __time_t msg_rtime; /* time of last msgrcv command */
+ __time_t msg_ctime; /* time of last change */
+ unsigned long int __msg_cbytes; /* current number of bytes on queue */
+ msgqnum_t msg_qnum; /* number of messages currently on queue */
+ msglen_t msg_qbytes; /* max number of bytes allowed on queue */
+ __pid_t msg_lspid; /* pid of last msgsnd() */
+ __pid_t msg_lrpid; /* pid of last msgrcv() */
+ unsigned long int __unused1;
+ unsigned long int __unused2;
+};
+
+#ifdef __USE_MISC
+
+# define msg_cbytes __msg_cbytes
+
+/* ipcs ctl commands */
+# define MSG_STAT 11
+# define MSG_INFO 12
+
+/* buffer for msgctl calls IPC_INFO, MSG_INFO */
+struct msginfo
+ {
+ int msgpool;
+ int msgmap;
+ int msgmax;
+ int msgmnb;
+ int msgmni;
+ int msgssz;
+ int msgtql;
+ unsigned short int msgseg;
+ };
+
+#endif /* __USE_MISC */
diff --git a/libc/sysdeps/linux/powerpc/bits/ipc.h b/libc/sysdeps/linux/powerpc/bits/ipc.h
new file mode 100644
index 000000000..3cb593a61
--- /dev/null
+++ b/libc/sysdeps/linux/powerpc/bits/ipc.h
@@ -0,0 +1,54 @@
+/* Copyright (C) 1995-1999, 2000 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_IPC_H
+# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Mode bits for `msgget', `semget', and `shmget'. */
+#define IPC_CREAT 01000 /* Create key if key does not exist. */
+#define IPC_EXCL 02000 /* Fail if key exists. */
+#define IPC_NOWAIT 04000 /* Return error on wait. */
+
+/* Control commands for `msgctl', `semctl', and `shmctl'. */
+#define IPC_RMID 0 /* Remove identifier. */
+#define IPC_SET 1 /* Set `ipc_perm' options. */
+#define IPC_STAT 2 /* Get `ipc_perm' options. */
+#ifdef __USE_GNU
+# define IPC_INFO 3 /* See ipcs. */
+#endif
+
+/* Special key values. */
+#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
+
+/* Data structure used to pass permission information to IPC operations. */
+struct ipc_perm
+ {
+ __key_t __key; /* Key. */
+ __uid_t uid; /* Owner's user ID. */
+ __gid_t gid; /* Owner's group ID. */
+ __uid_t cuid; /* Creator's user ID. */
+ __gid_t cgid; /* Creator's group ID. */
+ __mode_t mode; /* Read/write permission. */
+ unsigned long __seq; /* Sequence number. */
+ unsigned int __pad2;
+ unsigned long long int __unused1;
+ unsigned long long int __unused2;
+ };
diff --git a/libc/sysdeps/linux/powerpc/bits/msq.h b/libc/sysdeps/linux/powerpc/bits/msq.h
index 654ee5bc2..45173a4cb 100644
--- a/libc/sysdeps/linux/powerpc/bits/msq.h
+++ b/libc/sysdeps/linux/powerpc/bits/msq.h
@@ -21,6 +21,7 @@
#endif
#include <bits/types.h>
+#include <bits/wordsize.h>
/* Define options for message queue functions. */
#define MSG_NOERROR 010000 /* no error if message is too big */
@@ -38,11 +39,17 @@ typedef unsigned long int msglen_t;
struct msqid_ds
{
struct ipc_perm msg_perm; /* structure describing operation permission */
+#if __WORDSIZE == 32
unsigned int __unused1;
+#endif
__time_t msg_stime; /* time of last msgsnd command */
+#if __WORDSIZE == 32
unsigned int __unused2;
+#endif
__time_t msg_rtime; /* time of last msgrcv command */
+#if __WORDSIZE == 32
unsigned int __unused3;
+#endif
__time_t msg_ctime; /* time of last change */
unsigned long __msg_cbytes; /* current number of bytes on queue */
msgqnum_t msg_qnum; /* number of messages currently on queue */
diff --git a/libc/sysdeps/linux/sparc/bits/ipc.h b/libc/sysdeps/linux/sparc/bits/ipc.h
new file mode 100644
index 000000000..988dc125d
--- /dev/null
+++ b/libc/sysdeps/linux/sparc/bits/ipc.h
@@ -0,0 +1,62 @@
+/* Copyright (C) 1995-1999, 2000 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_IPC_H
+# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
+#endif
+
+#include <bits/types.h>
+#include <bits/wordsize.h>
+
+/* Mode bits for `msgget', `semget', and `shmget'. */
+#define IPC_CREAT 01000 /* Create key if key does not exist. */
+#define IPC_EXCL 02000 /* Fail if key exists. */
+#define IPC_NOWAIT 04000 /* Return error on wait. */
+
+/* Control commands for `msgctl', `semctl', and `shmctl'. */
+#define IPC_RMID 0 /* Remove identifier. */
+#define IPC_SET 1 /* Set `ipc_perm' options. */
+#define IPC_STAT 2 /* Get `ipc_perm' options. */
+#ifdef __USE_GNU
+# define IPC_INFO 3 /* See ipcs. */
+#endif
+
+/* Special key values. */
+#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
+
+
+/* Data structure used to pass permission information to IPC operations. */
+struct ipc_perm
+ {
+ __key_t __key; /* Key. */
+ __uid_t uid; /* Owner's user ID. */
+ __gid_t gid; /* Owner's group ID. */
+ __uid_t cuid; /* Creator's user ID. */
+ __gid_t cgid; /* Creator's group ID. */
+#if __WORDSIZE == 32
+ unsigned short int __pad1;
+ unsigned short int mode; /* Read/write permission. */
+ unsigned short int __pad2;
+#else
+ __mode_t mode; /* Read/write permission. */
+ unsigned short int __pad1;
+#endif
+ unsigned short int __seq; /* Sequence number. */
+ unsigned long long int __unused1;
+ unsigned long long int __unused2;
+ };
diff --git a/libc/sysdeps/linux/x86_64/bits/msq.h b/libc/sysdeps/linux/x86_64/bits/msq.h
new file mode 100644
index 000000000..422218a5f
--- /dev/null
+++ b/libc/sysdeps/linux/x86_64/bits/msq.h
@@ -0,0 +1,83 @@
+/* Copyright (C) 1995, 1996, 1997, 2000, 2002 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_MSG_H
+# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
+#endif
+
+#include <bits/types.h>
+#include <bits/wordsize.h>
+
+/* Define options for message queue functions. */
+#define MSG_NOERROR 010000 /* no error if message is too big */
+#ifdef __USE_GNU
+# define MSG_EXCEPT 020000 /* recv any msg except of specified type */
+#endif
+
+/* Types used in the structure definition. */
+typedef unsigned long int msgqnum_t;
+typedef unsigned long int msglen_t;
+
+/* Structure of record for one message inside the kernel.
+ The type `struct msg' is opaque. */
+struct msqid_ds
+{
+ struct ipc_perm msg_perm; /* structure describing operation permission */
+ __time_t msg_stime; /* time of last msgsnd command */
+#if __WORDSIZE == 32
+ unsigned long int __unused1;
+#endif
+ __time_t msg_rtime; /* time of last msgrcv command */
+#if __WORDSIZE == 32
+ unsigned long int __unused2;
+#endif
+ __time_t msg_ctime; /* time of last change */
+#if __WORDSIZE == 32
+ unsigned long int __unused3;
+#endif
+ unsigned long int __msg_cbytes; /* current number of bytes on queue */
+ msgqnum_t msg_qnum; /* number of messages currently on queue */
+ msglen_t msg_qbytes; /* max number of bytes allowed on queue */
+ __pid_t msg_lspid; /* pid of last msgsnd() */
+ __pid_t msg_lrpid; /* pid of last msgrcv() */
+ unsigned long int __unused4;
+ unsigned long int __unused5;
+};
+
+#ifdef __USE_MISC
+
+# define msg_cbytes __msg_cbytes
+
+/* ipcs ctl commands */
+# define MSG_STAT 11
+# define MSG_INFO 12
+
+/* buffer for msgctl calls IPC_INFO, MSG_INFO */
+struct msginfo
+ {
+ int msgpool;
+ int msgmap;
+ int msgmax;
+ int msgmnb;
+ int msgmni;
+ int msgssz;
+ int msgtql;
+ unsigned short int msgseg;
+ };
+
+#endif /* __USE_MISC */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 17:25:49 +0000