xnu-6153.81.5.tar.gz

[apple/xnu.git] / bsd / sys / msg.h

diff --git a/bsd/sys/msg.h b/bsd/sys/msg.h
index 6f530fa66a75eb04fb3947711585dabe42b88b0b..64e0dd90fb557be26c4b7a122647f5d7be37f3fa 100644 (file)
--- a/bsd/sys/msg.h
+++ b/bsd/sys/msg.h
@@ -2,7 +2,7 @@
  * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

- * 
+ *

  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in


@@ -11,10 +11,10 @@
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.

- * 
+ *

  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.

- * 
+ *

  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,


@@ -22,7 +22,7 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.

- * 
+ *

  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*     $NetBSD: msg.h,v 1.4 1994/06/29 06:44:43 cgd Exp $      */
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*     $NetBSD: msg.h,v 1.4 1994/06/29 06:44:43 cgd Exp $      */


@@ -80,16 +80,16 @@
 #include <sys/_types/_ssize_t.h>
 
 /* [XSI] Used for the number of messages in the message queue */
 #include <sys/_types/_ssize_t.h>
 
 /* [XSI] Used for the number of messages in the message queue */

-typedef unsigned long          msgqnum_t;
+typedef unsigned long           msgqnum_t;

 
 /* [XSI] Used for the number of bytes allowed in a message queue */
 
 /* [XSI] Used for the number of bytes allowed in a message queue */

-typedef unsigned long          msglen_t;
+typedef unsigned long           msglen_t;

 
 /*
  * Possible values for the fifth parameter to msgrcv(), in addition to the
  * IPC_NOWAIT flag, which is permitted.
  */
 
 /*
  * Possible values for the fifth parameter to msgrcv(), in addition to the
  * IPC_NOWAIT flag, which is permitted.
  */

-#define MSG_NOERROR    010000          /* [XSI] No error if big message */
+#define MSG_NOERROR     010000          /* [XSI] No error if big message */

 
 
 /*
 
 
 /*


@@ -102,7 +102,7 @@ typedef unsigned long               msglen_t;
 #pragma pack(4)
 /*
  * Structure used internally.
 #pragma pack(4)
 /*
  * Structure used internally.

- * 
+ *

  * Structure whose address is passed as the third parameter to msgctl()
  * when the second parameter is IPC_SET or IPC_STAT.  In the case of the
  * IPC_SET command, only the msg_perm.{uid|gid|perm} and msg_qbytes are
  * Structure whose address is passed as the third parameter to msgctl()
  * when the second parameter is IPC_SET or IPC_STAT.  In the case of the
  * IPC_SET command, only the msg_perm.{uid|gid|perm} and msg_qbytes are


@@ -115,50 +115,50 @@ typedef unsigned long             msglen_t;
 #if (defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE))
 struct msqid_ds
 #else
 #if (defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE))
 struct msqid_ds
 #else

-#define        msqid_ds        __msqid_ds_new
+#define msqid_ds        __msqid_ds_new

 struct __msqid_ds_new
 #endif
 {
 struct __msqid_ds_new
 #endif
 {

-       struct __ipc_perm_new   msg_perm; /* [XSI] msg queue permissions */
-       __int32_t       msg_first;      /* RESERVED: kernel use only */
-       __int32_t       msg_last;       /* RESERVED: kernel use only */
-       msglen_t        msg_cbytes;     /* # of bytes on the queue */
-       msgqnum_t       msg_qnum;       /* [XSI] number of msgs on the queue */
-       msglen_t        msg_qbytes;     /* [XSI] max bytes on the queue */
-       pid_t           msg_lspid;      /* [XSI] pid of last msgsnd() */
-       pid_t           msg_lrpid;      /* [XSI] pid of last msgrcv() */
-       time_t          msg_stime;      /* [XSI] time of last msgsnd() */
-       __int32_t       msg_pad1;       /* RESERVED: DO NOT USE */
-       time_t          msg_rtime;      /* [XSI] time of last msgrcv() */
-       __int32_t       msg_pad2;       /* RESERVED: DO NOT USE */
-       time_t          msg_ctime;      /* [XSI] time of last msgctl() */
-       __int32_t       msg_pad3;       /* RESERVED: DO NOT USE */
-       __int32_t       msg_pad4[4];    /* RESERVED: DO NOT USE */
+       struct __ipc_perm_new   msg_perm; /* [XSI] msg queue permissions */
+       __int32_t       msg_first;      /* RESERVED: kernel use only */
+       __int32_t       msg_last;       /* RESERVED: kernel use only */
+       msglen_t        msg_cbytes;     /* # of bytes on the queue */
+       msgqnum_t       msg_qnum;       /* [XSI] number of msgs on the queue */
+       msglen_t        msg_qbytes;     /* [XSI] max bytes on the queue */
+       pid_t           msg_lspid;      /* [XSI] pid of last msgsnd() */
+       pid_t           msg_lrpid;      /* [XSI] pid of last msgrcv() */
+       time_t          msg_stime;      /* [XSI] time of last msgsnd() */
+       __int32_t       msg_pad1;       /* RESERVED: DO NOT USE */
+       time_t          msg_rtime;      /* [XSI] time of last msgrcv() */
+       __int32_t       msg_pad2;       /* RESERVED: DO NOT USE */
+       time_t          msg_ctime;      /* [XSI] time of last msgctl() */
+       __int32_t       msg_pad3;       /* RESERVED: DO NOT USE */
+       __int32_t       msg_pad4[4];    /* RESERVED: DO NOT USE */

 };
 #pragma pack()
 };
 #pragma pack()

-#else  /* !__DARWIN_UNIX03 */
-#define        msqid_ds        __msqid_ds_old
-#endif /* !__DARWIN_UNIX03 */
+#else   /* !__DARWIN_UNIX03 */
+#define msqid_ds        __msqid_ds_old
+#endif  /* !__DARWIN_UNIX03 */

 
 #if !__DARWIN_UNIX03
 struct __msqid_ds_old {
 
 #if !__DARWIN_UNIX03
 struct __msqid_ds_old {

-       struct __ipc_perm_old   msg_perm; /* [XSI] msg queue permissions */
-       __int32_t       msg_first;      /* RESERVED: kernel use only */
-       __int32_t       msg_last;       /* RESERVED: kernel use only */
-       msglen_t        msg_cbytes;     /* # of bytes on the queue */
-       msgqnum_t       msg_qnum;       /* [XSI] number of msgs on the queue */
-       msglen_t        msg_qbytes;     /* [XSI] max bytes on the queue */
-       pid_t           msg_lspid;      /* [XSI] pid of last msgsnd() */
-       pid_t           msg_lrpid;      /* [XSI] pid of last msgrcv() */
-       time_t          msg_stime;      /* [XSI] time of last msgsnd() */
-       __int32_t       msg_pad1;       /* RESERVED: DO NOT USE */
-       time_t          msg_rtime;      /* [XSI] time of last msgrcv() */
-       __int32_t       msg_pad2;       /* RESERVED: DO NOT USE */
-       time_t          msg_ctime;      /* [XSI] time of last msgctl() */
-       __int32_t       msg_pad3;       /* RESERVED: DO NOT USE */
-       __int32_t       msg_pad4[4];    /* RESERVED: DO NOT USE */
+       struct __ipc_perm_old   msg_perm; /* [XSI] msg queue permissions */
+       __int32_t       msg_first;      /* RESERVED: kernel use only */
+       __int32_t       msg_last;       /* RESERVED: kernel use only */
+       msglen_t        msg_cbytes;     /* # of bytes on the queue */
+       msgqnum_t       msg_qnum;       /* [XSI] number of msgs on the queue */
+       msglen_t        msg_qbytes;     /* [XSI] max bytes on the queue */
+       pid_t           msg_lspid;      /* [XSI] pid of last msgsnd() */
+       pid_t           msg_lrpid;      /* [XSI] pid of last msgrcv() */
+       time_t          msg_stime;      /* [XSI] time of last msgsnd() */
+       __int32_t       msg_pad1;       /* RESERVED: DO NOT USE */
+       time_t          msg_rtime;      /* [XSI] time of last msgrcv() */
+       __int32_t       msg_pad2;       /* RESERVED: DO NOT USE */
+       time_t          msg_ctime;      /* [XSI] time of last msgctl() */
+       __int32_t       msg_pad3;       /* RESERVED: DO NOT USE */
+       __int32_t       msg_pad4[4];    /* RESERVED: DO NOT USE */

 };
 };

-#endif /* !__DARWIN_UNIX03 */
+#endif  /* !__DARWIN_UNIX03 */

 
 #ifdef KERNEL
 #ifdef __APPLE_API_PRIVATE
 
 #ifdef KERNEL
 #ifdef __APPLE_API_PRIVATE


@@ -168,31 +168,31 @@ struct __msqid_ds_old {
 #pragma options align=natural
 #endif
 
 #pragma options align=natural
 #endif
 

-typedef user_ulong_t   user_msgqnum_t;
-typedef user64_ulong_t user64_msgqnum_t;
-typedef user32_ulong_t user32_msgqnum_t;
+typedef user_ulong_t    user_msgqnum_t;
+typedef user64_ulong_t  user64_msgqnum_t;
+typedef user32_ulong_t  user32_msgqnum_t;

 
 

-typedef user_ulong_t   user_msglen_t;
-typedef user64_ulong_t user64_msglen_t;
-typedef user32_ulong_t user32_msglen_t;
+typedef user_ulong_t    user_msglen_t;
+typedef user64_ulong_t  user64_msglen_t;
+typedef user32_ulong_t  user32_msglen_t;

 
 /* kernel version */
 struct user_msqid_ds {
 
 /* kernel version */
 struct user_msqid_ds {

-       struct ipc_perm msg_perm;       /* [XSI] msg queue permissions */
-       struct msg      *msg_first;     /* first message in the queue */
-       struct msg      *msg_last;      /* last message in the queue */
-       user_msglen_t   msg_cbytes;     /* # of bytes on the queue */
-       user_msgqnum_t  msg_qnum;       /* [XSI] number of msgs on the queue */
-       user_msglen_t   msg_qbytes;     /* [XSI] max bytes on the queue */
-       pid_t           msg_lspid;      /* [XSI] pid of last msgsnd() */
-       pid_t           msg_lrpid;      /* [XSI] pid of last msgrcv() */
-       user_time_t     msg_stime;      /* [XSI] time of last msgsnd() */
-       __int32_t       msg_pad1;       /* RESERVED: DO NOT USE */
-       user_time_t     msg_rtime;      /* [XSI] time of last msgrcv() */
-       __int32_t       msg_pad2;       /* RESERVED: DO NOT USE */
-       user_time_t     msg_ctime;      /* [XSI] time of last msgctl() */
-       __int32_t       msg_pad3;       /* RESERVED: DO NOT USE */
-       __int32_t       msg_pad4[4];
+       struct ipc_perm msg_perm;       /* [XSI] msg queue permissions */
+       struct msg      *msg_first;     /* first message in the queue */
+       struct msg      *msg_last;      /* last message in the queue */
+       user_msglen_t   msg_cbytes;     /* # of bytes on the queue */
+       user_msgqnum_t  msg_qnum;       /* [XSI] number of msgs on the queue */
+       user_msglen_t   msg_qbytes;     /* [XSI] max bytes on the queue */
+       pid_t           msg_lspid;      /* [XSI] pid of last msgsnd() */
+       pid_t           msg_lrpid;      /* [XSI] pid of last msgrcv() */
+       user_time_t     msg_stime;      /* [XSI] time of last msgsnd() */
+       __int32_t       msg_pad1;       /* RESERVED: DO NOT USE */
+       user_time_t     msg_rtime;      /* [XSI] time of last msgrcv() */
+       __int32_t       msg_pad2;       /* RESERVED: DO NOT USE */
+       user_time_t     msg_ctime;      /* [XSI] time of last msgctl() */
+       __int32_t       msg_pad3;       /* RESERVED: DO NOT USE */
+       __int32_t       msg_pad4[4];

 };
 
 /*
 };
 
 /*


@@ -200,40 +200,39 @@ struct user_msqid_ds {
  * compiled LP64, because the 32 bit kernel doesn't need it
  */
 struct user64_msqid_ds {
  * compiled LP64, because the 32 bit kernel doesn't need it
  */
 struct user64_msqid_ds {

-       struct ipc_perm msg_perm;       /* [XSI] msg queue permissions */
-       __int32_t       msg_first;      /* RESERVED: kernel use only */
-       __int32_t       msg_last;       /* RESERVED: kernel use only */
-       user64_msglen_t msg_cbytes;     /* # of bytes on the queue */
-       user64_msgqnum_t        msg_qnum;       /* [XSI] number of msgs on the queue */
-       user64_msglen_t msg_qbytes;     /* [XSI] max bytes on the queue */
-       pid_t           msg_lspid;      /* [XSI] pid of last msgsnd() */
-       pid_t           msg_lrpid;      /* [XSI] pid of last msgrcv() */
-       user64_time_t   msg_stime;      /* [XSI] time of last msgsnd() */
-       __int32_t       msg_pad1;       /* RESERVED: DO NOT USE */
-       user64_time_t   msg_rtime;      /* [XSI] time of last msgrcv() */
-       __int32_t       msg_pad2;       /* RESERVED: DO NOT USE */
-       user64_time_t   msg_ctime;      /* [XSI] time of last msgctl() */
-       __int32_t       msg_pad3;       /* RESERVED: DO NOT USE */
-       __int32_t       msg_pad4[4];
+       struct ipc_perm msg_perm;       /* [XSI] msg queue permissions */
+       __int32_t       msg_first;      /* RESERVED: kernel use only */
+       __int32_t       msg_last;       /* RESERVED: kernel use only */
+       user64_msglen_t msg_cbytes;     /* # of bytes on the queue */
+       user64_msgqnum_t        msg_qnum;       /* [XSI] number of msgs on the queue */
+       user64_msglen_t msg_qbytes;     /* [XSI] max bytes on the queue */
+       pid_t           msg_lspid;      /* [XSI] pid of last msgsnd() */
+       pid_t           msg_lrpid;      /* [XSI] pid of last msgrcv() */
+       user64_time_t   msg_stime;      /* [XSI] time of last msgsnd() */
+       __int32_t       msg_pad1;       /* RESERVED: DO NOT USE */
+       user64_time_t   msg_rtime;      /* [XSI] time of last msgrcv() */
+       __int32_t       msg_pad2;       /* RESERVED: DO NOT USE */
+       user64_time_t   msg_ctime;      /* [XSI] time of last msgctl() */
+       __int32_t       msg_pad3;       /* RESERVED: DO NOT USE */
+       __int32_t       msg_pad4[4];

 } __attribute__((__packed__));
 
 } __attribute__((__packed__));
 

-struct user32_msqid_ds
-{
-       struct __ipc_perm_new   msg_perm; /* [XSI] msg queue permissions */
-       __int32_t       msg_first;      /* RESERVED: kernel use only */
-       __int32_t       msg_last;       /* RESERVED: kernel use only */
-       user32_msglen_t msg_cbytes;     /* # of bytes on the queue */
-       user32_msgqnum_t        msg_qnum;       /* [XSI] number of msgs on the queue */
-       user32_msglen_t msg_qbytes;     /* [XSI] max bytes on the queue */
-       pid_t           msg_lspid;      /* [XSI] pid of last msgsnd() */
-       pid_t           msg_lrpid;      /* [XSI] pid of last msgrcv() */
-       user32_time_t           msg_stime;      /* [XSI] time of last msgsnd() */
-       __int32_t       msg_pad1;       /* RESERVED: DO NOT USE */
-       user32_time_t           msg_rtime;      /* [XSI] time of last msgrcv() */
-       __int32_t       msg_pad2;       /* RESERVED: DO NOT USE */
-       user32_time_t           msg_ctime;      /* [XSI] time of last msgctl() */
-       __int32_t       msg_pad3;       /* RESERVED: DO NOT USE */
-       __int32_t       msg_pad4[4];    /* RESERVED: DO NOT USE */
+struct user32_msqid_ds {
+       struct __ipc_perm_new   msg_perm; /* [XSI] msg queue permissions */
+       __int32_t       msg_first;      /* RESERVED: kernel use only */
+       __int32_t       msg_last;       /* RESERVED: kernel use only */
+       user32_msglen_t msg_cbytes;     /* # of bytes on the queue */
+       user32_msgqnum_t        msg_qnum;       /* [XSI] number of msgs on the queue */
+       user32_msglen_t msg_qbytes;     /* [XSI] max bytes on the queue */
+       pid_t           msg_lspid;      /* [XSI] pid of last msgsnd() */
+       pid_t           msg_lrpid;      /* [XSI] pid of last msgrcv() */
+       user32_time_t           msg_stime;      /* [XSI] time of last msgsnd() */
+       __int32_t       msg_pad1;       /* RESERVED: DO NOT USE */
+       user32_time_t           msg_rtime;      /* [XSI] time of last msgrcv() */
+       __int32_t       msg_pad2;       /* RESERVED: DO NOT USE */
+       user32_time_t           msg_ctime;      /* [XSI] time of last msgctl() */
+       __int32_t       msg_pad3;       /* RESERVED: DO NOT USE */
+       __int32_t       msg_pad4[4];    /* RESERVED: DO NOT USE */

 };
 
 #if __DARWIN_ALIGN_NATURAL
 };
 
 #if __DARWIN_ALIGN_NATURAL


@@ -246,12 +245,12 @@ struct label;
  * Kernel wrapper for the user-level structure
  */
 struct msqid_kernel {
  * Kernel wrapper for the user-level structure
  */
 struct msqid_kernel {

-       struct  user_msqid_ds u;
-       struct  label *label;   /* MAC framework label */
+       struct  user_msqid_ds u;
+       struct  label *label;   /* MAC framework label */

 };
 
 };
 

-#endif /* __APPLE_API_PRIVATE */
-#endif /* KERNEL */
+#endif  /* __APPLE_API_PRIVATE */
+#endif  /* KERNEL */

 
 
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 
 
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)


@@ -259,13 +258,13 @@ struct msqid_kernel {
 /* XXX kernel only; protect with macro later */
 
 struct msg {
 /* XXX kernel only; protect with macro later */
 
 struct msg {

-       struct msg      *msg_next;      /* next msg in the chain */
-       long            msg_type;       /* type of this message */
-                                       /* >0 -> type of this message */
-                                       /* 0 -> free header */
-       unsigned short  msg_ts;         /* size of this message */
-       short           msg_spot;       /* location of msg start in buffer */
-       struct label    *label;         /* MAC label */
+       struct msg      *msg_next;      /* next msg in the chain */
+       long            msg_type;       /* type of this message */
+                                       /* >0 -> type of this message */
+                                       /* 0 -> free header */
+       unsigned short  msg_ts;         /* size of this message */
+       short           msg_spot;       /* location of msg start in buffer */
+       struct label    *label;         /* MAC label */

 };
 
 /*
 };
 
 /*


@@ -277,8 +276,8 @@ struct msg {
  * backward compatability with existing source code.
  */
 struct mymsg {
  * backward compatability with existing source code.
  */
 struct mymsg {

-       long    mtype;          /* message type (+ve integer) */
-       char    mtext[1];       /* message body */
+       long    mtype;          /* message type (+ve integer) */
+       char    mtext[1];       /* message body */

 };
 
 /*
 };
 
 /*


@@ -292,40 +291,40 @@ struct mymsg {
  * two between 8 and 1024 inclusive (and panic's if it isn't).
  */
 struct msginfo {
  * two between 8 and 1024 inclusive (and panic's if it isn't).
  */
 struct msginfo {

-       int     msgmax,         /* max chars in a message */
-               msgmni,         /* max message queue identifiers */
-               msgmnb,         /* max chars in a queue */
-               msgtql,         /* max messages in system */
-               msgssz,         /* size of a message segment (see notes above) */
-               msgseg;         /* number of message segments */
+       int     msgmax,         /* max chars in a message */
+           msgmni,             /* max message queue identifiers */
+           msgmnb,             /* max chars in a queue */
+           msgtql,             /* max messages in system */
+           msgssz,             /* size of a message segment (see notes above) */
+           msgseg;             /* number of message segments */

 };
 #ifdef KERNEL
 };
 #ifdef KERNEL

-extern struct msginfo  msginfo;
+extern struct msginfo   msginfo;

 
 #ifndef MSGSSZ
 
 #ifndef MSGSSZ

-#define MSGSSZ 8               /* Each segment must be 2^N long */
+#define MSGSSZ  8               /* Each segment must be 2^N long */

 #endif
 #ifndef MSGSEG
 #endif
 #ifndef MSGSEG

-#define MSGSEG 2048            /* must be less than 32767 */
+#define MSGSEG  2048            /* must be less than 32767 */

 #endif
 #endif

-#define MSGMAX (MSGSSZ*MSGSEG)
+#define MSGMAX  (MSGSSZ*MSGSEG)

 #ifndef MSGMNB
 #ifndef MSGMNB

-#define MSGMNB 2048            /* max # of bytes in a queue */
+#define MSGMNB  2048            /* max # of bytes in a queue */

 #endif
 #ifndef MSGMNI
 #endif
 #ifndef MSGMNI

-#define MSGMNI 40
+#define MSGMNI  40

 #endif
 #ifndef MSGTQL
 #endif
 #ifndef MSGTQL

-#define MSGTQL 40
+#define MSGTQL  40

 #endif
 
 /*
  * macros to convert between msqid_ds's and msqid's.
  * (specific to this implementation)
  */
 #endif
 
 /*
  * macros to convert between msqid_ds's and msqid's.
  * (specific to this implementation)
  */

-#define MSQID(ix,ds)   ((ix) & 0xffff | (((ds).msg_perm.seq << 16) & 0xffff0000))
-#define MSQID_IX(id)   ((id) & 0xffff)
-#define MSQID_SEQ(id)  (((id) >> 16) & 0xffff)
+#define MSQID(ix, ds)    ((ix) & 0xffff | (((ds).msg_perm.seq << 16) & 0xffff0000))
+#define MSQID_IX(id)    ((id) & 0xffff)
+#define MSQID_SEQ(id)   (((id) >> 16) & 0xffff)

 
 /*
  * The rest of this file is specific to this particular implementation.
 
 /*
  * The rest of this file is specific to this particular implementation.


@@ -336,29 +335,29 @@ extern struct msginfo     msginfo;
  * Stuff allocated in machdep.h
  */
 struct msgmap {
  * Stuff allocated in machdep.h
  */
 struct msgmap {

-       short   next;           /* next segment in buffer */
-                               /* -1 -> available */
-                               /* 0..(MSGSEG-1) -> index of next segment */
+       short   next;           /* next segment in buffer */
+                               /* -1 -> available */
+                               /* 0..(MSGSEG-1) -> index of next segment */

 };
 
 /* The following four externs really, really need to die; should be static */
 };
 
 /* The following four externs really, really need to die; should be static */

-extern char *msgpool;          /* MSGMAX byte long msg buffer pool */
-extern struct msgmap *msgmaps; /* MSGSEG msgmap structures */
-extern struct msg *msghdrs;    /* MSGTQL msg headers */
-extern struct msqid_kernel *msqids;    /* MSGMNI user_msqid_ds struct's */
+extern char *msgpool;           /* MSGMAX byte long msg buffer pool */
+extern struct msgmap *msgmaps;  /* MSGSEG msgmap structures */
+extern struct msg *msghdrs;     /* MSGTQL msg headers */
+extern struct msqid_kernel *msqids;     /* MSGMNI user_msqid_ds struct's */

 
 

-#define MSG_LOCKED     01000   /* Is this msqid_ds locked? */
+#define MSG_LOCKED      01000   /* Is this msqid_ds locked? */

 
 

-#endif /* KERNEL */
-#endif /* __APPLE_API_UNSTABLE */
-#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+#endif  /* KERNEL */
+#endif  /* __APPLE_API_UNSTABLE */
+#endif  /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 
 #ifndef KERNEL
 
 __BEGIN_DECLS
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 int msgsys(int, ...);
 
 #ifndef KERNEL
 
 __BEGIN_DECLS
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 int msgsys(int, ...);

-#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+#endif  /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 int msgctl(int, int, struct msqid_ds *) __DARWIN_ALIAS(msgctl);
 int msgget(key_t, int);
 ssize_t msgrcv(int, void *, size_t, long, int) __DARWIN_ALIAS_C(msgrcv);
 int msgctl(int, int, struct msqid_ds *) __DARWIN_ALIAS(msgctl);
 int msgget(key_t, int);
 ssize_t msgrcv(int, void *, size_t, long, int) __DARWIN_ALIAS_C(msgrcv);


@@ -368,5 +367,3 @@ __END_DECLS
 #endif /* !KERNEL */
 
 #endif /* !_SYS_MSG_H_ */
 #endif /* !KERNEL */
 
 #endif /* !_SYS_MSG_H_ */

-
-