---

---

---

001: /* Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
002:    This file is part of the GNU C Library.
003: 
004:    The GNU C Library is free software; you can redistribute it and/or
005:    modify it under the terms of the GNU Lesser General Public
006:    License as published by the Free Software Foundation; either
007:    version 2.1 of the License, or (at your option) any later version.
008: 
009:    The GNU C Library is distributed in the hope that it will be useful,
010:    but WITHOUT ANY WARRANTY; without even the implied warranty of
011:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
012:    Lesser General Public License for more details.
013: 
014:    You should have received a copy of the GNU Lesser General Public
015:    License along with the GNU C Library; if not, write to the Free
016:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
017:    02111-1307 USA.  */
018: 
019: #ifndef _STROPTS_H
020: # error "Never include <bits/stropts.h> directly; use <stropts.h> instead."
021: #endif
022: 
023: #ifndef _BITS_STROPTS_H
024: #define _BITS_STROPTS_H 1
025: 
026: #include <bits/types.h>
027: 
028: /* Macros used as `request' argument to `ioctl'.  */
029: #define __SID           ('S' << 8)
030: 
031: #define I_NREAD     (__SID | 1) /* Counts the number of data bytes in the data
032:                                    block in the first message.  */
033: #define I_PUSH      (__SID | 2) /* Push STREAMS module onto top of the current
034:                                    STREAM, just below the STREAM head.  */
035: #define I_POP       (__SID | 3) /* Remove STREAMS module from just below the
036:                                    STREAM head.  */
037: #define I_LOOK      (__SID | 4) /* Retrieve the name of the module just below
038:                                    the STREAM head and place it in a character
039:                                    string.  */
040: #define I_FLUSH     (__SID | 5) /* Flush all input and/or output.  */
041: #define I_SRDOPT    (__SID | 6) /* Sets the read mode.  */
042: #define I_GRDOPT    (__SID | 7) /* Returns the current read mode setting.  */
043: #define I_STR       (__SID | 8) /* Construct an internal STREAMS `ioctl'
044:                                    message and send that message downstream. */
045: #define I_SETSIG    (__SID | 9) /* Inform the STREAM head that the process
046:                                    wants the SIGPOLL signal issued.  */
047: #define I_GETSIG    (__SID |10) /* Return the events for which the calling
048:                                    process is currently registered to be sent
049:                                    a SIGPOLL signal.  */
050: #define I_FIND      (__SID |11) /* Compares the names of all modules currently
051:                                    present in the STREAM to the name pointed to
052:                                    by `arg'.  */
053: #define I_LINK      (__SID |12) /* Connect two STREAMs.  */
054: #define I_UNLINK    (__SID |13) /* Disconnects the two STREAMs.  */
055: #define I_PEEK      (__SID |15) /* Allows a process to retrieve the information
056:                                    in the first message on the STREAM head read
057:                                    queue without taking the message off the
058:                                    queue.  */
059: #define I_FDINSERT  (__SID |16) /* Create a message from the specified
060:                                    buffer(s), adds information about another
061:                                    STREAM, and send the message downstream.  */
062: #define I_SENDFD    (__SID |17) /* Requests the STREAM associated with `fildes'
063:                                    to send a message, containing a file
064:                                    pointer, to the STREAM head at the other end
065:                                    of a STREAMS pipe.  */
066: #define I_RECVFD    (__SID |14) /* Non-EFT definition.  */
067: #define I_SWROPT    (__SID |19) /* Set the write mode.  */
068: #define I_GWROPT    (__SID |20) /* Return the current write mode setting.  */
069: #define I_LIST      (__SID |21) /* List all the module names on the STREAM, up
070:                                    to and including the topmost driver name. */
071: #define I_PLINK     (__SID |22) /* Connect two STREAMs with a persistent
072:                                    link.  */
073: #define I_PUNLINK   (__SID |23) /* Disconnect the two STREAMs that were
074:                                    connected with a persistent link.  */
075: #define I_FLUSHBAND (__SID |28) /* Flush only band specified.  */
076: #define I_CKBAND    (__SID |29) /* Check if the message of a given priority
077:                                    band exists on the STREAM head read
078:                                    queue.  */
079: #define I_GETBAND   (__SID |30) /* Return the priority band of the first
080:                                    message on the STREAM head read queue.  */
081: #define I_ATMARK    (__SID |31) /* See if the current message on the STREAM
082:                                    head read queue is "marked" by some module
083:                                    downstream.  */
084: #define I_SETCLTIME (__SID |32) /* Set the time the STREAM head will delay when
085:                                    a STREAM is closing and there is data on
086:                                    the write queues.  */
087: #define I_GETCLTIME (__SID |33) /* Get current value for closing timeout.  */
088: #define I_CANPUT    (__SID |34) /* Check if a certain band is writable.  */
089: 
090: 
091: /* Used in `I_LOOK' request.  */
092: #define FMNAMESZ        8       /* compatibility w/UnixWare/Solaris.  */
093: 
094: /* Flush options.  */
095: #define FLUSHR          0x01    /* Flush read queues.  */
096: #define FLUSHW          0x02    /* Flush write queues.  */
097: #define FLUSHRW         0x03    /* Flush read and write queues.  */
098: #ifdef __USE_GNU
099: # define FLUSHBAND      0x04    /* Flush only specified band.  */
100: #endif
101: 
102: /* Possible arguments for `I_SETSIG'.  */
103: #define S_INPUT         0x0001  /* A message, other than a high-priority
104:                                    message, has arrived.  */
105: #define S_HIPRI         0x0002  /* A high-priority message is present.  */
106: #define S_OUTPUT        0x0004  /* The write queue for normal data is no longer
107:                                    full.  */
108: #define S_MSG           0x0008  /* A STREAMS signal message that contains the
109:                                    SIGPOLL signal reaches the front of the
110:                                    STREAM head read queue.  */
111: #define S_ERROR         0x0010  /* Notification of an error condition.  */
112: #define S_HANGUP        0x0020  /* Notification of a hangup.  */
113: #define S_RDNORM        0x0040  /* A normal message has arrived.  */
114: #define S_WRNORM        S_OUTPUT
115: #define S_RDBAND        0x0080  /* A message with a non-zero priority has
116:                                    arrived.  */
117: #define S_WRBAND        0x0100  /* The write queue for a non-zero priority
118:                                    band is no longer full.  */
119: #define S_BANDURG       0x0200  /* When used in conjunction with S_RDBAND,
120:                                    SIGURG is generated instead of SIGPOLL when
121:                                    a priority message reaches the front of the
122:                                    STREAM head read queue.  */
123: 
124: /* Option for `I_PEEK'.  */
125: #define RS_HIPRI        0x01    /* Only look for high-priority messages.  */
126: 
127: /* Options for `I_SRDOPT'.  */
128: #define RNORM           0x0000  /* Byte-STREAM mode, the default.  */
129: #define RMSGD           0x0001  /* Message-discard mode.   */
130: #define RMSGN           0x0002  /* Message-nondiscard mode.   */
131: #define RPROTDAT        0x0004  /* Deliver the control part of a message as
132:                                    data.  */
133: #define RPROTDIS        0x0008  /* Discard the control part of a message,
134:                                    delivering any data part.  */
135: #define RPROTNORM       0x0010  /* Fail `read' with EBADMSG if a message
136:                                    containing a control part is at the front
137:                                    of the STREAM head read queue.  */
138: #ifdef __USE_GNU
139: # define RPROTMASK      0x001C  /* The RPROT bits */
140: #endif
141: 
142: /* Possible mode for `I_SWROPT'.  */
143: #define SNDZERO         0x001   /* Send a zero-length message downstream when a
144:                                    `write' of 0 bytes occurs.  */
145: #ifdef __USE_GNU
146: # define SNDPIPE        0x002   /* Send SIGPIPE on write and putmsg if
147:                                    sd_werror is set.  */
148: #endif
149: 
150: /* Arguments for `I_ATMARK'.  */
151: #define ANYMARK         0x01    /* Check if the message is marked.  */
152: #define LASTMARK        0x02    /* Check if the message is the last one marked
153:                                    on the queue.  */
154: 
155: /* Argument for `I_UNLINK'.  */
156: #ifdef __USE_GNU
157: # define MUXID_ALL      (-1)    /* Unlink all STREAMs linked to the STREAM
158:                                    associated with `fildes'.  */
159: #endif
160: 
161: 
162: /* Macros for `getmsg', `getpmsg', `putmsg' and `putpmsg'.  */
163: #define MSG_HIPRI       0x01    /* Send/receive high priority message.  */
164: #define MSG_ANY         0x02    /* Receive any message.  */
165: #define MSG_BAND        0x04    /* Receive message from specified band.  */
166: 
167: /* Values returned by getmsg and getpmsg */
168: #define MORECTL         1       /* More control information is left in
169:                                    message.  */
170: #define MOREDATA        2       /* More data is left in message.  */
171: 
172: 
173: /* Structure used for the I_FLUSHBAND ioctl on streams.  */
174: struct bandinfo
175:   {
176:     unsigned char bi_pri;
177:     int bi_flag;
178:   };
179: 
180: struct strbuf
181:   {
182:     int maxlen;         /* Maximum buffer length.  */
183:     int len;            /* Length of data.  */
184:     char *buf;          /* Pointer to buffer.  */
185:   };
186: 
187: struct strpeek
188:   {
189:     struct strbuf ctlbuf;
190:     struct strbuf databuf;
191:     t_uscalar_t flags;                  /* UnixWare/Solaris compatibility.  */
192:   };
193: 
194: struct strfdinsert
195:   {
196:     struct strbuf ctlbuf;
197:     struct strbuf databuf;
198:     t_uscalar_t flags;                  /* UnixWare/Solaris compatibility.  */
199:     int fildes;
200:     int offset;
201:   };
202: 
203: struct strioctl
204:   {
205:     int ic_cmd;
206:     int ic_timout;
207:     int ic_len;
208:     char *ic_dp;
209:   };
210: 
211: struct strrecvfd
212:   {
213:     int fd;
214:     uid_t uid;
215:     gid_t gid;
216:     char __fill[8];                     /* UnixWare/Solaris compatibility */
217:   };
218: 
219: 
220: struct str_mlist
221:   {
222:     char l_name[FMNAMESZ + 1];
223:   };
224: 
225: struct str_list
226:   {
227:     int sl_nmods;
228:     struct str_mlist *sl_modlist;
229:   };
230: 
231: #endif /* bits/stropts.h */
232: 

---

---

---