Update NSPR to 4.12 and NSS to 3.23 on iOS

nspr/pr/src/pthreads/ptthread.c

 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* 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/. */
 
 /*
 ** File:            ptthread.c
 ** Descritpion:        Implemenation for threds using pthreds
 ** Exports:            ptthread.h
 */
 
 #if defined(_PR_PTHREADS) || defined(_PR_DCETHREADS)
 
 #include "prlog.h"
 #include "primpl.h"
 #include "prpdce.h"
 
 #include <pthread.h>
 #include <unistd.h>
 #include <string.h>
 #include <signal.h>
 #include <dlfcn.h>
 
+#if defined(OPENBSD) || defined(FREEBSD) || defined(DRAGONFLY)
+#include <pthread_np.h>
+#endif
+
 #ifdef SYMBIAN
 /* In Open C sched_get_priority_min/max do not work properly, so we undefine
  * _POSIX_THREAD_PRIORITY_SCHEDULING here.
  */
 #undef _POSIX_THREAD_PRIORITY_SCHEDULING
 #endif
 
 #ifdef _PR_NICE_PRIORITY_SCHEDULING
 #undef _POSIX_THREAD_PRIORITY_SCHEDULING
 #include <sys/resource.h>
@@ skipping 1692 matching lines @@
         PR_LOG(_pr_gc_lm, PR_LOG_ALWAYS, ("End PR_GetSP %p \n", top_sp));
         return top_sp;
 }  /* PR_GetSP */
 
 #endif /* !defined(_PR_DCETHREADS) */
 
 PR_IMPLEMENT(PRStatus) PR_SetCurrentThreadName(const char *name)
 {
     PRThread *thread;
     size_t nameLen;
-    int result;
+    int result = 0;
 
     if (!name) {
         PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
         return PR_FAILURE;
     }
 
     thread = PR_GetCurrentThread();
     if (!thread)
         return PR_FAILURE;
 
     PR_Free(thread->name);
     nameLen = strlen(name);
     thread->name = (char *)PR_Malloc(nameLen + 1);
     if (!thread->name)
         return PR_FAILURE;
     memcpy(thread->name, name, nameLen + 1);
 
-#if defined(OPENBSD) || defined(FREEBSD)
-    result = pthread_set_name_np(thread->id, name);
+#if defined(OPENBSD) || defined(FREEBSD) || defined(DRAGONFLY)
+    pthread_set_name_np(thread->id, name);
+#elif defined(NETBSD)
+    result = pthread_setname_np(thread->id, "%s", (void *)name);
 #else /* not BSD */
     /*
      * On OSX, pthread_setname_np is only available in 10.6 or later, so test
      * for it at runtime.  It also may not be available on all linux distros.
      */
 #if defined(DARWIN)
     int (*dynamic_pthread_setname_np)(const char*);
 #else
     int (*dynamic_pthread_setname_np)(pthread_t, const char*);
 #endif
@@ skipping 41 matching lines @@
 PR_IMPLEMENT(const char *) PR_GetThreadName(const PRThread *thread)
 {
     if (!thread)
         return NULL;
     return thread->name;
 }
 
 #endif  /* defined(_PR_PTHREADS) || defined(_PR_DCETHREADS) */
 
 /* ptthread.c */