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authorAnas Nashif <anas.nashif@intel.com>2012-07-21 17:12:39 +0100
committerAnas Nashif <anas.nashif@intel.com>2012-07-23 10:19:53 +0100
commit3f1932e927ae070261a8d428d5c5f158c2f525ba (patch)
tree286e9acc48a43dd751e4112144eb7d4d6ba62533 /lib/safe-read.h
parentf86053dd05b02441d0c27eb68524ae3c1cf0fe81 (diff)
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downgrade to 2.8 (GPLv2)
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Diffstat (limited to 'lib/safe-read.h')
-rw-r--r--lib/safe-read.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/safe-read.h b/lib/safe-read.h
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+/* An interface to read() that retries after interrupts.
+ Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define SAFE_READ_ERROR ((size_t) -1)
+
+/* Read up to COUNT bytes at BUF from descriptor FD, retrying if interrupted.
+ Return the actual number of bytes read, zero for EOF, or SAFE_READ_ERROR
+ upon error. */
+extern size_t safe_read (int fd, void *buf, size_t count);
+
+
+#ifdef __cplusplus
+}
+#endif