1 files changed, 136 insertions, 0 deletions
diff --git a/security/nss/lib/libpkix/pkix_pl_nss/system/pkix_pl_monitorlock.c b/security/nss/lib/libpkix/pkix_pl_nss/system/pkix_pl_monitorlock.c
new file mode 100644
index 0000000000..a5d2fc9621
--- /dev/null
+++ b/security/nss/lib/libpkix/pkix_pl_nss/system/pkix_pl_monitorlock.c
@@ -0,0 +1,136 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * pkix_pl_monitorlock.c
+ *
+ * Read/Write Lock Functions
+ *
+ */
+
+#include "pkix_pl_monitorlock.h"
+
+/* --Private-Functions-------------------------------------------- */
+
+static PKIX_Error *
+pkix_pl_MonitorLock_Destroy(
+        PKIX_PL_Object *object,
+        void *plContext)
+{
+        PKIX_PL_MonitorLock* monitorLock = NULL;
+
+        PKIX_ENTER(MONITORLOCK, "pkix_pl_MonitorLock_Destroy");
+        PKIX_NULLCHECK_ONE(object);
+
+        PKIX_CHECK(pkix_CheckType(object, PKIX_MONITORLOCK_TYPE, plContext),
+                    PKIX_OBJECTNOTMONITORLOCK);
+
+        monitorLock = (PKIX_PL_MonitorLock*) object;
+
+        PKIX_MONITORLOCK_DEBUG("Calling PR_DestroyMonitor)\n");
+        PR_DestroyMonitor(monitorLock->lock);
+        monitorLock->lock = NULL;
+
+cleanup:
+
+        PKIX_RETURN(MONITORLOCK);
+}
+
+/*
+ * FUNCTION: pkix_pl_MonitorLock_RegisterSelf
+ * DESCRIPTION:
+ * Registers PKIX_MONITORLOCK_TYPE and its related functions with
+ * systemClasses[].
+ * THREAD SAFETY:
+ *  Not Thread Safe - for performance and complexity reasons
+ *
+ *  Since this function is only called by PKIX_PL_Initialize, which should
+ *  only be called once, it is acceptable that this function is not
+ *  thread-safe.
+ */
+PKIX_Error *
+pkix_pl_MonitorLock_RegisterSelf(
+        void *plContext)
+{
+
+        extern pkix_ClassTable_Entry systemClasses[PKIX_NUMTYPES];
+        pkix_ClassTable_Entry entry;
+
+        PKIX_ENTER(MONITORLOCK, "pkix_pl_MonitorLock_RegisterSelf");
+
+        entry.description = "MonitorLock";
+        entry.objCounter = 0;
+        entry.typeObjectSize = sizeof(PKIX_PL_MonitorLock);
+        entry.destructor = pkix_pl_MonitorLock_Destroy;
+        entry.equalsFunction = NULL;
+        entry.hashcodeFunction = NULL;
+        entry.toStringFunction = NULL;
+        entry.comparator = NULL;
+        entry.duplicateFunction = NULL;
+
+        systemClasses[PKIX_MONITORLOCK_TYPE] = entry;
+
+        PKIX_RETURN(MONITORLOCK);
+}
+
+/* --Public-Functions--------------------------------------------- */
+
+PKIX_Error *
+PKIX_PL_MonitorLock_Create(
+        PKIX_PL_MonitorLock **pNewLock,
+        void *plContext)
+{
+        PKIX_PL_MonitorLock *monitorLock = NULL;
+
+        PKIX_ENTER(MONITORLOCK, "PKIX_PL_MonitorLock_Create");
+        PKIX_NULLCHECK_ONE(pNewLock);
+
+        PKIX_CHECK(PKIX_PL_Object_Alloc
+                    (PKIX_MONITORLOCK_TYPE,
+                    sizeof (PKIX_PL_MonitorLock),
+                    (PKIX_PL_Object **)&monitorLock,
+                    plContext),
+                    PKIX_ERRORALLOCATINGMONITORLOCK);
+
+        PKIX_MONITORLOCK_DEBUG("\tCalling PR_NewMonitor)\n");
+        monitorLock->lock = PR_NewMonitor();
+
+        if (monitorLock->lock == NULL) {
+                PKIX_DECREF(monitorLock);
+                PKIX_ERROR(PKIX_OUTOFMEMORY);
+        }
+
+        *pNewLock = monitorLock;
+
+cleanup:
+
+        PKIX_RETURN(MONITORLOCK);
+}
+
+PKIX_Error *
+PKIX_PL_MonitorLock_Enter(
+        PKIX_PL_MonitorLock *monitorLock,
+        void *plContext)
+{
+        PKIX_ENTER_NO_LOGGER(MONITORLOCK, "PKIX_PL_MonitorLock_Enter");
+        PKIX_NULLCHECK_ONE(monitorLock);
+
+        PKIX_MONITORLOCK_DEBUG("\tCalling PR_EnterMonitor)\n");
+        (void) PR_EnterMonitor(monitorLock->lock);
+
+        PKIX_RETURN_NO_LOGGER(MONITORLOCK);
+}
+
+PKIX_Error *
+PKIX_PL_MonitorLock_Exit(
+        PKIX_PL_MonitorLock *monitorLock,
+        void *plContext)
+{
+        PKIX_ENTER_NO_LOGGER(MONITORLOCK, "PKIX_PL_MonitorLock_Exit");
+        PKIX_NULLCHECK_ONE(monitorLock);
+
+        PKIX_MONITORLOCK_DEBUG("\tCalling PR_ExitMonitor)\n");
+        PR_ExitMonitor(monitorLock->lock);
+
+        PKIX_RETURN_NO_LOGGER(MONITORLOCK);
+}