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Diffstat (limited to 'sysdeps/generic/bits/stropts.h')
| -rw-r--r-- | sysdeps/generic/bits/stropts.h | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/sysdeps/generic/bits/stropts.h b/sysdeps/generic/bits/stropts.h new file mode 100644 index 0000000000..c8e2c2c034 --- /dev/null +++ b/sysdeps/generic/bits/stropts.h @@ -0,0 +1,231 @@ +/* Copyright (C) 1998, 1999, 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 _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 */ |