return 0;
}
+int
+h_threadquota(int waiting)
+{
+ if (lwps > 64) {
+ if (waiting > 5)
+ return 1;
+ } else if (lwps > 32) {
+ if (waiting > 4)
+ return 1;
+ } else if (lwps > 16) {
+ if (waiting > 3)
+ return 1;
+ } else {
+ if (waiting > 2)
+ return 1;
+ }
+ return 0;
+}
/* Host is returned held */
struct host *
* structure for this address. Verify that the identity
* of the caller matches the identity in the host structure.
*/
+ if ((host->hostFlags & HWHO_INPROGRESS) &&
+ h_threadquota(host->lock.num_waiting))
+ return 0;
h_Lock_r(host);
if (!(host->hostFlags & ALTADDR)) {
+ host->hostFlags &= ~HWHO_INPROGRESS;
/* Another thread is doing initialization */
h_Unlock_r(host);
if (!held)
afs_inet_ntoa_r(host->host, hoststr),
ntohs(host->port)));
host->hostFlags |= HOSTDELETED;
+ host->hostFlags &= ~HWHO_INPROGRESS;
h_Unlock_r(host);
if (!held)
h_Release_r(host);
("Host %s:%d has changed its identity, deleting.\n",
afs_inet_ntoa_r(host->host, hoststr), host->port));
host->hostFlags |= HOSTDELETED;
+ host->hostFlags &= ~HWHO_INPROGRESS;
h_Unlock_r(host);
if (!held)
h_Release_r(host);
else
host->hostFlags &= ~(HERRORTRANS);
host->hostFlags |= ALTADDR;
+ host->hostFlags &= ~HWHO_INPROGRESS;
h_Unlock_r(host);
} else if (host) {
if (!(host->hostFlags & ALTADDR)) {
afs_inet_ntoa_r(host->host, hoststr),
ntohs(host->port)));
h_Lock_r(host);
+ host->hostFlags &= ~HWHO_INPROGRESS;
h_Unlock_r(host);
if (!held)
h_Release_r(host);
/* The host in the cache is not the host for this connection */
host->hostFlags |= HOSTDELETED;
+ host->hostFlags &= ~HWHO_INPROGRESS;
h_Unlock_r(host);
if (!held)
h_Release_r(host);
if (!(oheld = h_Held_r(oldHost)))
h_Hold_r(oldHost);
h_Lock_r(oldHost);
+ oldHost->hostFlags |= HWHO_INPROGRESS;
if (oldHost->interface) {
int code2;
}
}
host->hostFlags |= HOSTDELETED;
+ host->hostFlags &= ~HWHO_INPROGRESS;
h_Unlock_r(host);
/* release host because it was allocated by h_Alloc_r */
h_Release_r(host);
else
host->hostFlags &= ~(HERRORTRANS);
host->hostFlags |= ALTADDR; /* host structure initialization complete */
+ host->hostFlags &= ~HWHO_INPROGRESS;
h_Unlock_r(host);
}
if (caps.Capabilities_val)
if (!client) { /* loop */
host = h_GetHost_r(tcon); /* Returns it h_Held */
+ if (!host)
+ return 0;
+
retryfirstclient:
/* First try to find the client structure */
for (client = host->FirstClient; client; client = client->next) {
}
if (host->LastCall < checktime) {
h_Lock_r(host);
+ host->hostFlags |= HWHO_INPROGRESS;
if (!(host->hostFlags & HOSTDELETED)) {
cb_conn = host->callback_rxcon;
rx_GetConnection(cb_conn);
cb_conn=NULL;
H_LOCK;
}
+ host->hostFlags &= ~HWHO_INPROGRESS;
h_Unlock_r(host);
}
H_UNLOCK;