mirror of
https://github.com/libguestfs/libguestfs.git
synced 2026-03-21 22:53:37 +00:00
e2c7bddf10
Run this command across the source:
perl -pi.bak -e 's/(20[012][0-9])-20[12][012]/$1-2023/g' `git ls-files`
and remove changes to po{,-docs}/*.po{,t} (these will be regenerated
later when we run 'make dist').
55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
/* An interface to read() that retries after interrupts.
|
|
Copyright (C) 2002, 2006, 2009-2023 Free Software Foundation, Inc.
|
|
|
|
(NB: I modified the original GPL boilerplate here to LGPLv2+. This
|
|
is because of the weird way that gnulib uses licenses, where the
|
|
real license is covered in the modules/X file. The real license
|
|
for this file is LGPLv2+, not GPL. - RWMJ)
|
|
|
|
This 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 of the License, or (at your option) any later version.
|
|
|
|
This 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 this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/* Some system calls may be interrupted and fail with errno = EINTR in the
|
|
following situations:
|
|
- The process is stopped and restarted (signal SIGSTOP and SIGCONT, user
|
|
types Ctrl-Z) on some platforms: Mac OS X.
|
|
- The process receives a signal for which a signal handler was installed
|
|
with sigaction() with an sa_flags field that does not contain
|
|
SA_RESTART.
|
|
- The process receives a signal for which a signal handler was installed
|
|
with signal() and for which no call to siginterrupt(sig,0) was done,
|
|
on some platforms: AIX, HP-UX, IRIX, OSF/1, Solaris.
|
|
|
|
This module provides a wrapper around read() that handles EINTR. */
|
|
|
|
#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
|