diff options
Diffstat (limited to 'pthread_support.c')
| -rw-r--r-- | pthread_support.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/pthread_support.c b/pthread_support.c index 7e42b1bc..30addcbe 100644 --- a/pthread_support.c +++ b/pthread_support.c @@ -1489,6 +1489,19 @@ GC_INNER_WIN32THREAD void GC_record_stack_base(GC_stack_context_t crtn, # endif } +#if !defined(GC_NO_THREADS_DISCOVERY) && defined(GC_WIN32_THREADS) \ + || !defined(DONT_USE_ATEXIT) + GC_INNER_WIN32THREAD thread_id_t GC_main_thread_id; +#endif + +#ifndef DONT_USE_ATEXIT + GC_INNER GC_bool GC_is_main_thread(void) + { + GC_ASSERT(GC_thr_initialized); + return thread_id_self() == GC_main_thread_id; + } +#endif /* !DONT_USE_ATEXIT */ + #ifndef GC_WIN32_THREADS STATIC GC_thread GC_register_my_thread_inner(const struct GC_stack_base *sb, @@ -1645,6 +1658,7 @@ GC_INNER void GC_thr_init(void) struct GC_stack_base sb; GC_thread me; GC_stack_context_t crtn; + thread_id_t self_id = thread_id_self(); sb.mem_base = GC_stackbottom; GC_ASSERT(sb.mem_base != NULL); @@ -1654,7 +1668,10 @@ GC_INNER void GC_thr_init(void) sb.reg_base = NULL; # endif GC_ASSERT(NULL == GC_self_thread_inner()); - me = GC_register_my_thread_inner(&sb, thread_id_self()); + me = GC_register_my_thread_inner(&sb, self_id); +# ifndef DONT_USE_ATEXIT + GC_main_thread_id = self_id; +# endif me -> flags = DETACHED; /* Copy the alt-stack information if set. */ crtn = me -> crtn; |