/*
* Get current thread-local JSThread info, creating one if it doesn't exist.
* Each thread has a unique JSThread pointer.
*
* Since we are dealing with thread-local data, no lock is needed.
*
* Return a pointer to the thread local info, NULL if the system runs out
* of memory, or it failed to set thread private data (neither case is very
* likely; both are probably due to out-of-memory). It is up to the caller
* to report an error, if possible.
*/
JSThread *
js_GetCurrentThread(JSRuntime *rt)
{
JSThread *thread;
thread = (JSThread *)PR_GetThreadPrivate(threadTPIndex);
if (!thread) {
thread = (JSThread *) calloc(1, sizeof(JSThread));
if (!thread)
return NULL;
if (PR_FAILURE == PR_SetThreadPrivate(threadTPIndex, thread)) {
free(thread);
return NULL;
}
JS_INIT_CLIST(&thread->contextList);
thread->id = js_CurrentThreadId();
/* js_SetContextThread initialize gcFreeLists as necessary. */
#ifdef DEBUG
memset(thread->gcFreeLists, JS_FREE_PATTERN,
sizeof(thread->gcFreeLists));
#endif
}
return thread;
}
/*
* Get current thread-local JSThread info, creating one if it doesn't exist.
* Each thread has a unique JSThread pointer.
*
* Since we are dealing with thread-local data, no lock is needed.
*
* Return a pointer to the thread local info, NULL if the system runs out
* of memory, or it failed to set thread private data (neither case is very
* likely; both are probably due to out-of-memory). It is up to the caller
* to report an error, if possible.
*/
JSThread *
js_GetCurrentThread(JSRuntime *rt)
{
JSThread *thread;
thread = (JSThread *)PR_GetThreadPrivate(rt->threadTPIndex);
if (!thread) {
/* New memory is set to 0 so that elements in gcFreeLists are NULL. */
thread = (JSThread *) calloc(1, sizeof(JSThread));
if (!thread)
return NULL;
if (PR_FAILURE == PR_SetThreadPrivate(rt->threadTPIndex, thread)) {
free(thread);
return NULL;
}
JS_INIT_CLIST(&thread->contextList);
thread->id = js_CurrentThreadId();
}
return thread;
}
