diff options
Diffstat (limited to 'gl/safe-read.h')
-rw-r--r-- | gl/safe-read.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gl/safe-read.h b/gl/safe-read.h index 1f15b018..992b7a6a 100644 --- a/gl/safe-read.h +++ b/gl/safe-read.h @@ -1,5 +1,5 @@ /* An interface to read() that retries after interrupts. - Copyright (C) 2002, 2006, 2009-2010 Free Software Foundation, Inc. + Copyright (C) 2002, 2006, 2009-2013 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 @@ -14,6 +14,19 @@ You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ +/* 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 |