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Tue Feb 14 14:58:35 EST 2007 Mark McLoughlin <markmc@redhat.com

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* src/hash.c, src/internal.h: Re-name virConnect->domains_mux
        to virConnect->hashes_mux since it will also be used to
        protect the networks hash.
This commit is contained in:
Mark McLoughlin 2007-02-14 15:59:40 +00:00
parent 36d597380e
commit e018cbc74f
3 changed files with 28 additions and 22 deletions
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8
ChangeLog
View File

@ -1,6 +1,12 @@
Tue Feb 14 14:58:35 EST 2007 Mark McLoughlin <markmc@redhat.com
* src/hash.c, src/internal.h: Re-name virConnect->domains_mux
to virConnect->hashes_mux since it will also be used to
protect the networks hash.
Tue Feb 14 14:57:52 EST 2007 Mark McLoughlin <markmc@redhat.com
* src/conf.c: qemudSaveConfig() will always report a
* qemud/conf.c: qemudSaveConfig() will always report a
more specific error, so we should avoid overwriting
this error.

40
src/hash.c
View File

@ -660,8 +660,8 @@ virGetConnect(void) {
ret->domains = virHashCreate(20);
if (ret->domains == NULL)
goto failed;
ret->domains_mux = xmlNewMutex();
if (ret->domains_mux == NULL)
ret->hashes_mux = xmlNewMutex();
if (ret->hashes_mux == NULL)
goto failed;
ret->uses = 1;
@ -671,8 +671,8 @@ failed:
if (ret != NULL) {
if (ret->domains != NULL)
virHashFree(ret->domains, (virHashDeallocator) virDomainFreeName);
if (ret->domains_mux != NULL)
xmlFreeMutex(ret->domains_mux);
if (ret->hashes_mux != NULL)
xmlFreeMutex(ret->hashes_mux);
free(ret);
}
return(NULL);
@ -691,22 +691,22 @@ int
virFreeConnect(virConnectPtr conn) {
int ret;
if ((!VIR_IS_CONNECT(conn)) || (conn->domains_mux == NULL)) {
if ((!VIR_IS_CONNECT(conn)) || (conn->hashes_mux == NULL)) {
virHashError(conn, VIR_ERR_INVALID_ARG, __FUNCTION__);
return(-1);
}
xmlMutexLock(conn->domains_mux);
xmlMutexLock(conn->hashes_mux);
conn->uses--;
ret = conn->uses;
if (ret > 0) {
xmlMutexUnlock(conn->domains_mux);
xmlMutexUnlock(conn->hashes_mux);
return(ret);
}
if (conn->domains != NULL)
virHashFree(conn->domains, (virHashDeallocator) virDomainFreeName);
if (conn->domains_mux != NULL)
xmlFreeMutex(conn->domains_mux);
if (conn->hashes_mux != NULL)
xmlFreeMutex(conn->hashes_mux);
free(conn);
return(0);
}
@ -729,11 +729,11 @@ virGetDomain(virConnectPtr conn, const char *name, const unsigned char *uuid) {
virDomainPtr ret = NULL;
if ((!VIR_IS_CONNECT(conn)) || ((name == NULL) && (uuid == NULL)) ||
(conn->domains_mux == NULL)) {
(conn->hashes_mux == NULL)) {
virHashError(conn, VIR_ERR_INVALID_ARG, __FUNCTION__);
return(NULL);
}
xmlMutexLock(conn->domains_mux);
xmlMutexLock(conn->hashes_mux);
/* TODO search by UUID first as they are better differenciators */
@ -771,11 +771,11 @@ virGetDomain(virConnectPtr conn, const char *name, const unsigned char *uuid) {
conn->uses++;
done:
ret->uses++;
xmlMutexUnlock(conn->domains_mux);
xmlMutexUnlock(conn->hashes_mux);
return(ret);
error:
xmlMutexUnlock(conn->domains_mux);
xmlMutexUnlock(conn->hashes_mux);
if (ret != NULL) {
if (ret->name != NULL)
free(ret->name );
@ -799,11 +799,11 @@ virFreeDomain(virConnectPtr conn, virDomainPtr domain) {
int ret = 0;
if ((!VIR_IS_CONNECT(conn)) || (!VIR_IS_CONNECTED_DOMAIN(domain)) ||
(domain->conn != conn) || (conn->domains_mux == NULL)) {
(domain->conn != conn) || (conn->hashes_mux == NULL)) {
virHashError(conn, VIR_ERR_INVALID_ARG, __FUNCTION__);
return(-1);
}
xmlMutexLock(conn->domains_mux);
xmlMutexLock(conn->hashes_mux);
/*
* decrement the count for the domain
@ -839,13 +839,13 @@ virFreeDomain(virConnectPtr conn, virDomainPtr domain) {
if (conn->domains != NULL)
virHashFree(conn->domains, (virHashDeallocator) virDomainFreeName);
if (conn->domains_mux != NULL)
xmlFreeMutex(conn->domains_mux);
if (conn->hashes_mux != NULL)
xmlFreeMutex(conn->hashes_mux);
free(conn);
return(0);
done:
xmlMutexUnlock(conn->domains_mux);
xmlMutexUnlock(conn->hashes_mux);
return(ret);
}
@ -870,7 +870,7 @@ virGetDomainByID(virConnectPtr conn, int id) {
virHashError(conn, VIR_ERR_INVALID_ARG, __FUNCTION__);
return(NULL);
}
xmlMutexLock(conn->domains_mux);
xmlMutexLock(conn->hashes_mux);
table = conn->domains;
if ((table == NULL) || (table->nbElems == 0))
@ -890,7 +890,7 @@ virGetDomainByID(virConnectPtr conn, int id) {
}
}
done:
xmlMutexUnlock(conn->domains_mux);
xmlMutexUnlock(conn->hashes_mux);
return(ret);
}
/*

2
src/internal.h
View File

@ -125,7 +125,7 @@ struct _virConnect {
void *userData; /* the user data */
/* misc */
xmlMutexPtr domains_mux;/* a mutex to protect the domain hash table */
xmlMutexPtr hashes_mux;/* a mutex to protect the domain hash table */
virHashTablePtr domains;/* hash table for known domains */
int flags; /* a set of connection flags */
};