| 97f65b00 |
1 | /* -*-c-*- |
| 2 | * |
| 3 | * $Id: selbuf.h,v 1.1 1999/05/14 21:01:15 mdw Exp $ |
| 4 | * |
| 5 | * Line-buffering select handler |
| 6 | * |
| 7 | * (c) 1999 Straylight/Edgeware |
| 8 | */ |
| 9 | |
| 10 | /*----- Licensing notice --------------------------------------------------* |
| 11 | * |
| 12 | * This file is part of the mLib utilities library. |
| 13 | * |
| 14 | * mLib is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU Library General Public License as |
| 16 | * published by the Free Software Foundation; either version 2 of the |
| 17 | * License, or (at your option) any later version. |
| 18 | * |
| 19 | * mLib is distributed in the hope that it will be useful, |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | * GNU Library General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU Library General Public |
| 25 | * License along with mLib; if not, write to the Free |
| 26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 27 | * MA 02111-1307, USA. |
| 28 | */ |
| 29 | |
| 30 | /*----- Revision history --------------------------------------------------* |
| 31 | * |
| 32 | * $Log: selbuf.h,v $ |
| 33 | * Revision 1.1 1999/05/14 21:01:15 mdw |
| 34 | * Integrated `select' handling bits from the background resolver project. |
| 35 | * |
| 36 | */ |
| 37 | |
| 38 | #ifndef SELBUF_H |
| 39 | #define SELBUF_H |
| 40 | |
| 41 | #ifdef __cplusplus |
| 42 | extern "C" { |
| 43 | #endif |
| 44 | |
| 45 | /*----- Header files ------------------------------------------------------*/ |
| 46 | |
| 47 | #ifndef LBUF_H |
| 48 | # include "lbuf.h" |
| 49 | #endif |
| 50 | |
| 51 | #ifndef SEL_H |
| 52 | # include "sel.h" |
| 53 | #endif |
| 54 | |
| 55 | /*----- Data structures ---------------------------------------------------*/ |
| 56 | |
| 57 | typedef struct selbuf { |
| 58 | sel_file reader; /* File selection object */ |
| 59 | lbuf b; /* Line buffering object */ |
| 60 | } selbuf; |
| 61 | |
| 62 | /*----- Functions provided ------------------------------------------------*/ |
| 63 | |
| 64 | /* --- @selbuf_enable@ --- * |
| 65 | * |
| 66 | * Arguments: @selbuf *b@ = pointer to buffer block |
| 67 | * |
| 68 | * Returns: --- |
| 69 | * |
| 70 | * Use: Enables a buffer for reading, and emits any queued lines |
| 71 | * to the buffer's owner. |
| 72 | */ |
| 73 | |
| 74 | extern void selbuf_enable(selbuf */*b*/); |
| 75 | |
| 76 | /* --- @selbuf_disable@ --- * |
| 77 | * |
| 78 | * Arguments: @selbuf *b@ = pointer to a buffer block |
| 79 | * |
| 80 | * Returns: --- |
| 81 | * |
| 82 | * Use: Disables a buffer. It won't be read from until it's |
| 83 | * enabled again. |
| 84 | */ |
| 85 | |
| 86 | extern void selbuf_disable(selbuf */*b*/); |
| 87 | |
| 88 | /* --- @selbuf_init@ --- * |
| 89 | * |
| 90 | * Arguments: @selbuf *b@ = pointer to buffer block |
| 91 | * @sel_state *s@ = pointer to select state to attach to |
| 92 | * @int fd@ = file descriptor to listen to |
| 93 | * @void (*func)(char *s, void *p)@ = function to call |
| 94 | * @void *p@ = argument for function |
| 95 | * |
| 96 | * Returns: --- |
| 97 | * |
| 98 | * Use: Initializes a buffer block. |
| 99 | */ |
| 100 | |
| 101 | extern void selbuf_init(selbuf */*b*/, |
| 102 | sel_state */*s*/, |
| 103 | int /*fd*/, |
| 104 | void (*/*func*/)(char */*s*/, void */*p*/), |
| 105 | void */*p*/); |
| 106 | |
| 107 | /*----- That's all, folks -------------------------------------------------*/ |
| 108 | |
| 109 | #ifdef __cplusplus |
| 110 | } |
| 111 | #endif |
| 112 | |
| 113 | #endif |
~mdw / mLib / blame