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epoll.7: Add error handling for epoll_wait() call in example code 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2008-11-04 10:56:17 -05:00
parent 15277745c3
commit 40c75945ad
1 changed files with 5 additions and 1 deletions
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6
man7/epoll.7
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@ -18,7 +18,7 @@
.\"
.\" Davide Libenzi <davidel@xmailserver.org>
.\"
.TH EPOLL 7 2008-11-01 "Linux" "Linux Programmer's Manual"
.TH EPOLL 7 2008-11-04 "Linux" "Linux Programmer's Manual"
.SH NAME
epoll \- I/O event notification facility
.SH SYNOPSIS
@ -220,6 +220,10 @@ if (epoll_ctl(epollfd, EPOLL_CTL_ADD, listen_sock, &ev) == \-1) {
for (;;) {
nfds = epoll_wait(epollfd, events, MAX_EVENTS, \-1);
if (nfds == \-1) {
perror("epoll_pwait");
exit(EXIT_FAILURE);
}
for (n = 0; n < nfds; ++n) {
if (events[n].data.fd == listen_sock) {