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fix race in xml reloader 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9996 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2008-10-13 19:25:52 +00:00
parent bed038a85b
commit f6f7f31c05
1 changed files with 3 additions and 15 deletions
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18
src/switch_xml.c
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@ -142,8 +142,7 @@ static switch_memory_pool_t *XML_MEMORY_POOL = NULL;
static switch_thread_rwlock_t *RWLOCK = NULL;
static switch_thread_rwlock_t *B_RWLOCK = NULL;
static switch_mutex_t *XML_LOCK = NULL;
static switch_mutex_t *XML_COUNT_LOCK = NULL;
static uint32_t lock_count = 0;
struct xml_section_t {
const char *name;
@ -1524,9 +1523,6 @@ SWITCH_DECLARE(switch_status_t) switch_xml_locate_user(const char *key,
SWITCH_DECLARE(switch_xml_t) switch_xml_root(void)
{
switch_mutex_lock(XML_COUNT_LOCK);
lock_count++;
switch_mutex_unlock(XML_COUNT_LOCK);
switch_thread_rwlock_rdlock(RWLOCK);
return MAIN_XML_ROOT;
}
@ -1637,7 +1633,6 @@ SWITCH_DECLARE(switch_status_t) switch_xml_init(switch_memory_pool_t *pool, cons
*err = "Success";
switch_mutex_init(&XML_LOCK, SWITCH_MUTEX_NESTED, XML_MEMORY_POOL);
switch_mutex_init(&XML_COUNT_LOCK, SWITCH_MUTEX_NESTED, XML_MEMORY_POOL);
switch_thread_rwlock_create(&RWLOCK, XML_MEMORY_POOL);
switch_thread_rwlock_create(&B_RWLOCK, XML_MEMORY_POOL);
@ -1926,19 +1921,12 @@ SWITCH_DECLARE(void) switch_xml_free(switch_xml_t xml)
char **a, *s;
if (!xml)
if (!xml) {
return;
if (switch_test_flag(xml, SWITCH_XML_ROOT)) {
switch_mutex_lock(XML_COUNT_LOCK);
if (lock_count > 0) {
switch_thread_rwlock_unlock(RWLOCK);
lock_count--;
}
switch_mutex_unlock(XML_COUNT_LOCK);
}
if (xml == MAIN_XML_ROOT) {
switch_thread_rwlock_unlock(RWLOCK);
return;
}