X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsafe-write.h;h=5c4ef381f440653e423b21f96e1d4cefa343d2a3;hb=0e1c6ff93f27c939ba9e0df945b16ef98eaaeef1;hp=c194636209f7a139251e4999b8cd1a5a6437535d;hpb=267a39bafd249d7eb9c37df06dc6defcf41cb343;p=gnulib.git

diff --git a/lib/safe-write.h b/lib/safe-write.h
index c19463620..5c4ef381f 100644
--- a/lib/safe-write.h
+++ b/lib/safe-write.h
@@ -1,10 +1,10 @@
 /* An interface to write() that retries after interrupts.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2009-2012 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify
+   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.
+   the Free Software Foundation; either version 3 of the License, 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
@@ -12,8 +12,20 @@
    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.  */
+   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: MacOS 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 write() that handles EINTR.  */
 
 #include <stddef.h>