| /* Copyright (C) 1998-2014 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 _STROPTS_H |
| # error "Never include <bits/stropts.h> directly; use <stropts.h> instead." |
| #endif |
| |
| #ifndef _BITS_STROPTS_H |
| #define _BITS_STROPTS_H 1 |
| |
| #include <bits/types.h> |
| |
| /* Macros used as `request' argument to `ioctl'. */ |
| #define __SID ('S' << 8) |
| |
| #define I_NREAD (__SID | 1) /* Counts the number of data bytes in the data |
| block in the first message. */ |
| #define I_PUSH (__SID | 2) /* Push STREAMS module onto top of the current |
| STREAM, just below the STREAM head. */ |
| #define I_POP (__SID | 3) /* Remove STREAMS module from just below the |
| STREAM head. */ |
| #define I_LOOK (__SID | 4) /* Retrieve the name of the module just below |
| the STREAM head and place it in a character |
| string. */ |
| #define I_FLUSH (__SID | 5) /* Flush all input and/or output. */ |
| #define I_SRDOPT (__SID | 6) /* Sets the read mode. */ |
| #define I_GRDOPT (__SID | 7) /* Returns the current read mode setting. */ |
| #define I_STR (__SID | 8) /* Construct an internal STREAMS `ioctl' |
| message and send that message downstream. */ |
| #define I_SETSIG (__SID | 9) /* Inform the STREAM head that the process |
| wants the SIGPOLL signal issued. */ |
| #define I_GETSIG (__SID |10) /* Return the events for which the calling |
| process is currently registered to be sent |
| a SIGPOLL signal. */ |
| #define I_FIND (__SID |11) /* Compares the names of all modules currently |
| present in the STREAM to the name pointed to |
| by `arg'. */ |
| #define I_LINK (__SID |12) /* Connect two STREAMs. */ |
| #define I_UNLINK (__SID |13) /* Disconnects the two STREAMs. */ |
| #define I_PEEK (__SID |15) /* Allows a process to retrieve the information |
| in the first message on the STREAM head read |
| queue without taking the message off the |
| queue. */ |
| #define I_FDINSERT (__SID |16) /* Create a message from the specified |
| buffer(s), adds information about another |
| STREAM, and send the message downstream. */ |
| #define I_SENDFD (__SID |17) /* Requests the STREAM associated with `fildes' |
| to send a message, containing a file |
| pointer, to the STREAM head at the other end |
| of a STREAMS pipe. */ |
| #define I_RECVFD (__SID |14) /* Non-EFT definition. */ |
| #define I_SWROPT (__SID |19) /* Set the write mode. */ |
| #define I_GWROPT (__SID |20) /* Return the current write mode setting. */ |
| #define I_LIST (__SID |21) /* List all the module names on the STREAM, up |
| to and including the topmost driver name. */ |
| #define I_PLINK (__SID |22) /* Connect two STREAMs with a persistent |
| link. */ |
| #define I_PUNLINK (__SID |23) /* Disconnect the two STREAMs that were |
| connected with a persistent link. */ |
| #define I_FLUSHBAND (__SID |28) /* Flush only band specified. */ |
| #define I_CKBAND (__SID |29) /* Check if the message of a given priority |
| band exists on the STREAM head read |
| queue. */ |
| #define I_GETBAND (__SID |30) /* Return the priority band of the first |
| message on the STREAM head read queue. */ |
| #define I_ATMARK (__SID |31) /* See if the current message on the STREAM |
| head read queue is "marked" by some module |
| downstream. */ |
| #define I_SETCLTIME (__SID |32) /* Set the time the STREAM head will delay when |
| a STREAM is closing and there is data on |
| the write queues. */ |
| #define I_GETCLTIME (__SID |33) /* Get current value for closing timeout. */ |
| #define I_CANPUT (__SID |34) /* Check if a certain band is writable. */ |
| |
| |
| /* Used in `I_LOOK' request. */ |
| #define FMNAMESZ 8 /* compatibility w/UnixWare/Solaris. */ |
| |
| /* Flush options. */ |
| #define FLUSHR 0x01 /* Flush read queues. */ |
| #define FLUSHW 0x02 /* Flush write queues. */ |
| #define FLUSHRW 0x03 /* Flush read and write queues. */ |
| #ifdef __USE_GNU |
| # define FLUSHBAND 0x04 /* Flush only specified band. */ |
| #endif |
| |
| /* Possible arguments for `I_SETSIG'. */ |
| #define S_INPUT 0x0001 /* A message, other than a high-priority |
| message, has arrived. */ |
| #define S_HIPRI 0x0002 /* A high-priority message is present. */ |
| #define S_OUTPUT 0x0004 /* The write queue for normal data is no longer |
| full. */ |
| #define S_MSG 0x0008 /* A STREAMS signal message that contains the |
| SIGPOLL signal reaches the front of the |
| STREAM head read queue. */ |
| #define S_ERROR 0x0010 /* Notification of an error condition. */ |
| #define S_HANGUP 0x0020 /* Notification of a hangup. */ |
| #define S_RDNORM 0x0040 /* A normal message has arrived. */ |
| #define S_WRNORM S_OUTPUT |
| #define S_RDBAND 0x0080 /* A message with a non-zero priority has |
| arrived. */ |
| #define S_WRBAND 0x0100 /* The write queue for a non-zero priority |
| band is no longer full. */ |
| #define S_BANDURG 0x0200 /* When used in conjunction with S_RDBAND, |
| SIGURG is generated instead of SIGPOLL when |
| a priority message reaches the front of the |
| STREAM head read queue. */ |
| |
| /* Option for `I_PEEK'. */ |
| #define RS_HIPRI 0x01 /* Only look for high-priority messages. */ |
| |
| /* Options for `I_SRDOPT'. */ |
| #define RNORM 0x0000 /* Byte-STREAM mode, the default. */ |
| #define RMSGD 0x0001 /* Message-discard mode. */ |
| #define RMSGN 0x0002 /* Message-nondiscard mode. */ |
| #define RPROTDAT 0x0004 /* Deliver the control part of a message as |
| data. */ |
| #define RPROTDIS 0x0008 /* Discard the control part of a message, |
| delivering any data part. */ |
| #define RPROTNORM 0x0010 /* Fail `read' with EBADMSG if a message |
| containing a control part is at the front |
| of the STREAM head read queue. */ |
| #ifdef __USE_GNU |
| # define RPROTMASK 0x001C /* The RPROT bits */ |
| #endif |
| |
| /* Possible mode for `I_SWROPT'. */ |
| #define SNDZERO 0x001 /* Send a zero-length message downstream when a |
| `write' of 0 bytes occurs. */ |
| #ifdef __USE_GNU |
| # define SNDPIPE 0x002 /* Send SIGPIPE on write and putmsg if |
| sd_werror is set. */ |
| #endif |
| |
| /* Arguments for `I_ATMARK'. */ |
| #define ANYMARK 0x01 /* Check if the message is marked. */ |
| #define LASTMARK 0x02 /* Check if the message is the last one marked |
| on the queue. */ |
| |
| /* Argument for `I_UNLINK'. */ |
| #ifdef __USE_GNU |
| # define MUXID_ALL (-1) /* Unlink all STREAMs linked to the STREAM |
| associated with `fildes'. */ |
| #endif |
| |
| |
| /* Macros for `getmsg', `getpmsg', `putmsg' and `putpmsg'. */ |
| #define MSG_HIPRI 0x01 /* Send/receive high priority message. */ |
| #define MSG_ANY 0x02 /* Receive any message. */ |
| #define MSG_BAND 0x04 /* Receive message from specified band. */ |
| |
| /* Values returned by getmsg and getpmsg */ |
| #define MORECTL 1 /* More control information is left in |
| message. */ |
| #define MOREDATA 2 /* More data is left in message. */ |
| |
| |
| /* Structure used for the I_FLUSHBAND ioctl on streams. */ |
| struct bandinfo |
| { |
| unsigned char bi_pri; |
| int bi_flag; |
| }; |
| |
| struct strbuf |
| { |
| int maxlen; /* Maximum buffer length. */ |
| int len; /* Length of data. */ |
| char *buf; /* Pointer to buffer. */ |
| }; |
| |
| struct strpeek |
| { |
| struct strbuf ctlbuf; |
| struct strbuf databuf; |
| t_uscalar_t flags; /* UnixWare/Solaris compatibility. */ |
| }; |
| |
| struct strfdinsert |
| { |
| struct strbuf ctlbuf; |
| struct strbuf databuf; |
| t_uscalar_t flags; /* UnixWare/Solaris compatibility. */ |
| int fildes; |
| int offset; |
| }; |
| |
| struct strioctl |
| { |
| int ic_cmd; |
| int ic_timout; |
| int ic_len; |
| char *ic_dp; |
| }; |
| |
| struct strrecvfd |
| { |
| int fd; |
| uid_t uid; |
| gid_t gid; |
| char __fill[8]; /* UnixWare/Solaris compatibility */ |
| }; |
| |
| |
| struct str_mlist |
| { |
| char l_name[FMNAMESZ + 1]; |
| }; |
| |
| struct str_list |
| { |
| int sl_nmods; |
| struct str_mlist *sl_modlist; |
| }; |
| |
| #endif /* bits/stropts.h */ |