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Merge branch 'wpk/perfwork-5-isc-result-rwlock' into 'master'

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Perfwork 5/6 - Use isc_rwlock for isc_result tables

See merge request isc-projects/bind9!3069
This commit is contained in:
Witold Krecicki
2020-02-27 09:48:11 +00:00
parent d434ec89ce 00f2146265
commit ebfb0f7392
1 changed files with 7 additions and 7 deletions
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14
lib/isc/result.c
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@@ -15,9 +15,9 @@
#include <stdlib.h>
#include <isc/lib.h>
#include <isc/mutex.h>
#include <isc/once.h>
#include <isc/resultclass.h>
#include <isc/rwlock.h>
#include <isc/util.h>
typedef struct resulttable {
@@ -182,7 +182,7 @@ static const char *identifier[ISC_R_NRESULTS] = {
static isc_once_t once = ISC_ONCE_INIT;
static resulttable_list_t description_tables;
static resulttable_list_t identifier_tables;
static isc_mutex_t lock;
static isc_rwlock_t lock;
static isc_result_t
register_table(resulttable_list_t *tables, unsigned int base,
@@ -207,11 +207,11 @@ register_table(resulttable_list_t *tables, unsigned int base,
table->set = set;
ISC_LINK_INIT(table, link);
LOCK(&lock);
RWLOCK(&lock, isc_rwlocktype_write);
ISC_LIST_APPEND(*tables, table, link);
UNLOCK(&lock);
RWUNLOCK(&lock, isc_rwlocktype_write);
return (ISC_R_SUCCESS);
}
@@ -220,7 +220,7 @@ static void
initialize_action(void) {
isc_result_t result;
isc_mutex_init(&lock);
isc_rwlock_init(&lock, 0, 0);
ISC_LIST_INIT(description_tables);
ISC_LIST_INIT(identifier_tables);
@@ -254,7 +254,7 @@ isc_result_tomany_helper(resulttable_list_t *tables, isc_result_t result) {
initialize();
LOCK(&lock);
RWLOCK(&lock, isc_rwlocktype_read);
text = NULL;
for (table = ISC_LIST_HEAD(*tables); table != NULL;
@@ -270,7 +270,7 @@ isc_result_tomany_helper(resulttable_list_t *tables, isc_result_t result) {
text = "(result code text not available)";
}
UNLOCK(&lock);
RWUNLOCK(&lock, isc_rwlocktype_read);
return (text);
}