reorder mutex struct fields to make room for pointers (upcoming robust mutexes)

[musl] / src / internal / pthread_impl.h

diff --git a/src/internal/pthread_impl.h b/src/internal/pthread_impl.h
index 615af70..9d56e8f 100644 (file)
--- a/src/internal/pthread_impl.h
+++ b/src/internal/pthread_impl.h
@@ -36,6 +36,7 @@ struct pthread {
        struct __ptcb *cancelbuf;
        void **tsd;
        pthread_attr_t attr;
+       volatile int dead;
 };
 
 #define __SU (sizeof(size_t)/sizeof(int))
@@ -46,8 +47,11 @@ struct pthread {
 #define _m_type __u.__i[0]
 #define _m_lock __u.__i[1]
 #define _m_waiters __u.__i[2]
-#define _m_owner __u.__i[3]
+#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]