track all live threads in an AS-safe, fully-consistent linked list

[musl] / src / internal / pthread_impl.h

diff --git a/src/internal/pthread_impl.h b/src/internal/pthread_impl.h
index c677f7f..508b40b 100644 (file)
--- a/src/internal/pthread_impl.h
+++ b/src/internal/pthread_impl.h
@@ -18,7 +18,7 @@ struct pthread {
         * internal (accessed via asm) ABI. Do not change. */
        struct pthread *self;
        uintptr_t *dtv;
-       void *unused1, *unused2;
+       struct pthread *prev, *next; /* non-ABI */
        uintptr_t sysinfo;
        uintptr_t canary, canary2;
 
@@ -56,11 +56,9 @@ struct pthread {
 };
 
 enum {
-       DT_EXITED = 0,
-       DT_EXITING,
+       DT_EXITING = 0,
        DT_JOINABLE,
        DT_DETACHED,
-       DT_DYNAMIC,
 };
 
 struct __timer {
@@ -173,6 +171,12 @@ hidden void __acquire_ptc(void);
 hidden void __release_ptc(void);
 hidden void __inhibit_ptc(void);
 
+hidden void __tl_lock(void);
+hidden void __tl_unlock(void);
+hidden void __tl_sync(pthread_t);
+
+extern hidden volatile int __thread_list_lock;
+
 extern hidden unsigned __default_stacksize;
 extern hidden unsigned __default_guardsize;