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author | Ludovic Courtès <ludo@gnu.org> | 2011-10-22 16:24:32 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2011-10-22 16:24:32 +0200 |
commit | 35428fb6b2d269dbfa2eec7d0739aec149bd4cc2 (patch) | |
tree | 03146c5871ad9b2167f3dffc89fdbb3082d7fc4e /lib/safe-read.h | |
parent | fe4ea6859e7d19a0fe2694a3fb49f4abb722afc1 (diff) | |
download | guile-35428fb6b2d269dbfa2eec7d0739aec149bd4cc2.tar.gz |
Update Gnulib to v0.0-6523-gb3609c1.
Diffstat (limited to 'lib/safe-read.h')
-rw-r--r-- | lib/safe-read.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/safe-read.h b/lib/safe-read.h index 5d65b51ee..e878bcafe 100644 --- a/lib/safe-read.h +++ b/lib/safe-read.h @@ -14,6 +14,19 @@ You should have received a copy of the GNU Lesser 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: 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 read() that handles EINTR. */ + #include <stddef.h> #ifdef __cplusplus |