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host-tossstuff-locking-20060309

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the nonblocking locking was my fault.
This commit is contained in:
Jeffrey Altman 2006-03-09 21:49:04 +00:00 committed by Derrick Brashear
parent cc324ae065
commit 9b1fa66828
1 changed files with 14 additions and 2 deletions
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16
src/viced/host.c
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@ -714,16 +714,27 @@ h_TossStuff_r(register struct host *host)
/* ASSUMPTION: rxi_FreeConnection() does not yield */
for (cp = &host->FirstClient; (client = *cp);) {
if ((host->hostFlags & HOSTDELETED) || client->deleted) {
int code;
ObtainWriteLockNoBlock(&client->lock, code);
if (code < 0) {
char hoststr[16];
ViceLog(0,
("Warning: h_TossStuff_r failed: Host %s:%d client %x was locked.\n",
afs_inet_ntoa_r(host->host, hoststr),
ntohs(host->port), client));
return;
}
if (client->refCount) {
char hoststr[16];
ViceLog(0,
("Warning: Host %s:%d client %x refcount %d while deleting, failing.\n",
("Warning: h_TossStuff_r failed: Host %s:%d client %x refcount %d.\n",
afs_inet_ntoa_r(host->host, hoststr),
ntohs(host->port), client, client->refCount));
/* This is the same thing we do if the host is locked */
ReleaseWriteLock(&client->lock);
return;
}
/* We can't protect this without dropping the H_LOCK */
client->CPS.prlist_len = 0;
if ((client->ViceId != ANONYMOUSID) && client->CPS.prlist_val)
free(client->CPS.prlist_val);
@ -733,6 +744,7 @@ h_TossStuff_r(register struct host *host)
}
CurrentConnections--;
*cp = client->next;
ReleaseWriteLock(&client->lock);
FreeCE(client);
} else
cp = &client->next;