Commit | Line | Data |
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9b36a80c | 1 | /* An interface to read() that retries after interrupts. |
49114fd4 | 2 | Copyright (C) 2002, 2006, 2009-2011 Free Software Foundation, Inc. |
9b36a80c LC |
3 | |
4 | This program is free software: you can redistribute it and/or modify | |
5 | it under the terms of the GNU Lesser General Public License as published by | |
6 | the Free Software Foundation; either version 3 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public License | |
15 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
16 | ||
17 | #include <stddef.h> | |
18 | ||
19 | #ifdef __cplusplus | |
20 | extern "C" { | |
21 | #endif | |
22 | ||
23 | ||
24 | #define SAFE_READ_ERROR ((size_t) -1) | |
25 | ||
26 | /* Read up to COUNT bytes at BUF from descriptor FD, retrying if interrupted. | |
27 | Return the actual number of bytes read, zero for EOF, or SAFE_READ_ERROR | |
28 | upon error. */ | |
29 | extern size_t safe_read (int fd, void *buf, size_t count); | |
30 | ||
31 | ||
32 | #ifdef __cplusplus | |
33 | } | |
34 | #endif |