implement robust mutexes

[musl] / src / internal / pthread_impl.h

diff --git a/src/internal/pthread_impl.h b/src/internal/pthread_impl.h
index e481ab5..e3a9a0e 100644 (file)
--- a/src/internal/pthread_impl.h
+++ b/src/internal/pthread_impl.h
@@ -36,8 +36,36 @@ struct pthread {
        struct __ptcb *cancelbuf;
        void **tsd;
        pthread_attr_t attr;
+       volatile int dead;
+       struct {
+               void **head;
+               long off;
+               void *pending;
+       } robust_list;
 };
 
+#define __SU (sizeof(size_t)/sizeof(int))
+
+#define _a_stacksize __u.__s[0]
+#define _a_guardsize __u.__s[1]
+#define _a_detach __u.__i[2*__SU+0]
+#define _m_type __u.__i[0]
+#define _m_lock __u.__i[1]
+#define _m_waiters __u.__i[2]
+#define _m_prev __u.__p[3]
+#define _m_next __u.__p[4]
+#define _m_count __u.__i[5]
+#define _c_block __u.__i[0]
+#define _c_clock __u.__i[1]
+#define _rw_wrlock __u.__i[0]
+#define _rw_readers __u.__i[1]
+#define _rw_waiters __u.__i[2]
+#define _rw_owner __u.__i[3]
+#define _b_count __u.__i[0]
+#define _b_limit __u.__i[1]
+#define _b_left __u.__i[2]
+#define _b_waiters __u.__i[3]
+
 #include "pthread_arch.h"
 
 #define SIGCANCEL 32