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FBSD: StopListener glocking fixup

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afs_osi_Sleep requires the glock (so that it can sleep on it); we
dropped the glock earlier in osi_StopListener because soshutdown and
soclose can sleep, but we must (unconditionally!) acquire it for our
loop waiting on rxk_ListenerPid.

Change-Id: I38c3ab6689a6af7f1693bd3c8348068ee280e530
Reviewed-on: http://gerrit.openafs.org/3549
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
This commit is contained in:
Ben Kaduk 2010-12-19 00:06:13 -05:00 committed by Derrick Brashear
parent ad0b390ec5
commit 28032bc1c1
1 changed files with 3 additions and 0 deletions
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3
src/rx/FBSD/rx_knet.c
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@ -108,11 +108,14 @@ osi_StopListener(void)
bzero(&dvec, sizeof(dvec));
dvec.iov_base = &c;
dvec.iov_len = 1;
/* afs_osi_Sleep requires the GLOCK */
AFS_GLOCK();
while(rxk_ListenerPid) {
afs_warn("waiting for rxk_ListenerPid to die\n");
osi_NetSend(rx_socket, &taddr, &dvec, 1, 1, 0);
afs_osi_Sleep(&rxk_ListenerPid);
}
AFS_GUNLOCK();
/* in theory, we are now the only people doing anything with rx_socket */
soclose(rx_socket);