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

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the layout has been chosen so that pointer slots 3 and 4 fit between
the integer slots on 32-bit archs, and come after the integer slots on
64-bit archs.
This commit is contained in:
Rich Felker
2011-03-17 13:17:15 -04:00
parent b1c43161c2
commit 93cc986ab3
1 changed files with 3 additions and 1 deletions
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4
src/internal/pthread_impl.h
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@ -47,7 +47,9 @@ struct pthread {
#define _m_type __u.__i[0] #define _m_type __u.__i[0]
#define _m_lock __u.__i[1] #define _m_lock __u.__i[1]
#define _m_waiters __u.__i[2] #define _m_waiters __u.__i[2]
#define _m_count __u.__i[4] #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_block __u.__i[0]
#define _c_clock __u.__i[1] #define _c_clock __u.__i[1]
#define _rw_wrlock __u.__i[0] #define _rw_wrlock __u.__i[0]