[libvirt PATCH 05/12] nwfilter_dhcpsnoop: Replace virNWFilterSnoopActiveLock macros
Use automatic mutex management instead.
Signed-off-by: Tim Wiederhake <twiederh(a)redhat.com>
---
src/nwfilter/nwfilter_dhcpsnoop.c | 42 ++++++++-----------------------
1 file changed, 11 insertions(+), 31 deletions(-)
diff --git a/src/nwfilter/nwfilter_dhcpsnoop.c b/src/nwfilter/nwfilter_dhcpsnoop.c
index f8cffc7d57..c526653bc2 100644
--- a/src/nwfilter/nwfilter_dhcpsnoop.c
+++ b/src/nwfilter/nwfilter_dhcpsnoop.c
@@ -93,14 +93,6 @@ struct virNWFilterSnoopState {
do { \
virMutexUnlock(&virNWFilterSnoopState.snoopLock); \
} while (0)
-# define virNWFilterSnoopActiveLock() \
- do { \
- virMutexLock(&virNWFilterSnoopState.activeLock); \
- } while (0)
-# define virNWFilterSnoopActiveUnlock() \
- do { \
- virMutexUnlock(&virNWFilterSnoopState.activeLock); \
- } while (0)
# define VIR_IFKEY_LEN ((VIR_UUID_STRING_BUFLEN) + (VIR_MAC_STRING_BUFLEN))
@@ -281,47 +273,35 @@ static char *
virNWFilterSnoopActivate(virNWFilterSnoopReq *req)
{
g_autofree char *key = g_strdup_printf("%p-%d", req, req->ifindex);
- char *ret = NULL;
+ VIR_LOCK_GUARD lock = virLockGuardLock(&virNWFilterSnoopState.activeLock);
- virNWFilterSnoopActiveLock();
-
- if (virHashAddEntry(virNWFilterSnoopState.active, key, (void *)0x1) == 0)
- ret = g_steal_pointer(&key);
-
- virNWFilterSnoopActiveUnlock();
+ if (virHashAddEntry(virNWFilterSnoopState.active, key, (void *)0x1) < 0)
+ return NULL;
- return ret;
+ return g_steal_pointer(&key);
}
static void
virNWFilterSnoopCancel(char **threadKey)
{
+ VIR_LOCK_GUARD lock = virLockGuardLock(&virNWFilterSnoopState.activeLock);
+
if (*threadKey == NULL)
return;
- virNWFilterSnoopActiveLock();
-
ignore_value(virHashRemoveEntry(virNWFilterSnoopState.active, *threadKey));
g_clear_pointer(threadKey, g_free);
-
- virNWFilterSnoopActiveUnlock();
}
static bool
virNWFilterSnoopIsActive(char *threadKey)
{
- void *entry;
+ VIR_LOCK_GUARD lock = virLockGuardLock(&virNWFilterSnoopState.activeLock);
if (threadKey == NULL)
return false;
- virNWFilterSnoopActiveLock();
-
- entry = virHashLookup(virNWFilterSnoopState.active, threadKey);
-
- virNWFilterSnoopActiveUnlock();
-
- return entry != NULL;
+ return virHashLookup(virNWFilterSnoopState.active, threadKey) != NULL;
}
/*
@@ -2083,9 +2063,9 @@ virNWFilterDHCPSnoopShutdown(void)
virNWFilterSnoopUnlock();
- virNWFilterSnoopActiveLock();
- g_clear_pointer(&virNWFilterSnoopState.active, g_hash_table_unref);
- virNWFilterSnoopActiveUnlock();
+ VIR_WITH_MUTEX_LOCK_GUARD(&virNWFilterSnoopState.activeLock) {
+ g_clear_pointer(&virNWFilterSnoopState.active, g_hash_table_unref);
+ }
}
#else /* WITH_LIBPCAP */
--
2.31.1