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Workaround in the unit tests for an apparent epoll bug in Linux 3.2

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This commit is contained in:
Nick Mathewson 2012-01-24 11:04:19 -05:00
parent 3f18ad1b5f
commit dab91877bc
1 changed files with 11 additions and 7 deletions
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18
test/regress_et.c
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@ -54,21 +54,24 @@ static int was_et = 0;
static void static void
read_cb(evutil_socket_t fd, short event, void *arg) read_cb(evutil_socket_t fd, short event, void *arg)
{ {
char buf; // char buf;
int len; // int len;
len = recv(fd, &buf, sizeof(buf), 0); /* On Linux 3.2.1 (at least, as patched by Fedora and tested by Nick),
* doing this "recv" resets the readability of the socket, even though
/*printf("%s: %s %d%s\n", __func__, event & EV_ET ? "etread" : "read", * there is no state change. Yuck! Linux 3.1.9 didn't have this
len, len ? "" : " - means EOF"); * problem.
*/ */
// len = recv(fd, &buf, sizeof(buf), 0);
called++; called++;
if (event & EV_ET) if (event & EV_ET)
was_et = 1; was_et = 1;
#if 0
if (!len) if (!len)
event_del(arg); event_del(arg);
#endif
} }
#ifndef SHUT_WR #ifndef SHUT_WR
@ -98,6 +101,7 @@ test_edgetriggered(void *et)
send(pair[0], test, (int)strlen(test)+1, 0); send(pair[0], test, (int)strlen(test)+1, 0);
shutdown(pair[0], SHUT_WR); shutdown(pair[0], SHUT_WR);
sleep(1);
/* Initalize the event library */ /* Initalize the event library */
base = event_base_new(); base = event_base_new();