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@@ -62,7 +62,55 @@
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#define __UCLIBC_MUTEX_UNLOCK(M) \
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__UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M, 1)
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-#else
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+#ifdef __USE_STDIO_FUTEXES__
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+
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+#include <bits/stdio-lock.h>
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+
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+#define __UCLIBC_IO_MUTEX(M) _IO_lock_t M
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+#define __UCLIBC_IO_MUTEX_LOCK(M) _IO_lock_lock(M)
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+#define __UCLIBC_IO_MUTEX_UNLOCK(M) _IO_lock_unlock(M)
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+#define __UCLIBC_IO_MUTEX_TRYLOCK(M) _IO_lock_trylock(M)
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+#define __UCLIBC_IO_MUTEX_INIT(M) _IO_lock_t M = _IO_lock_initializer
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+#define __UCLIBC_IO_MUTEX_EXTERN(M) extern _IO_lock_t M
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+
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+#define __UCLIBC_IO_MUTEX_CONDITIONAL_LOCK(M,C) \
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+ if (C) { \
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+ _IO_lock_lock(M); \
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+ }
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+
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+#define __UCLIBC_IO_MUTEX_CONDITIONAL_UNLOCK(M,C) \
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+ if (C) { \
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+ _IO_lock_unlock(M); \
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+ }
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+
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+#define __UCLIBC_IO_MUTEX_AUTO_LOCK(M,A,V) \
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+ __UCLIBC_IO_MUTEX_CONDITIONAL_LOCK(M,((A=(V))) == 0)
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+
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+#define __UCLIBC_IO_MUTEX_AUTO_UNLOCK(M,A) \
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+ __UCLIBC_IO_MUTEX_CONDITIONAL_UNLOCK(M,((A) == 0))
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+
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+#define __UCLIBC_IO_MUTEX_LOCK_CANCEL_UNSAFE(M) _IO_lock_lock(M)
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+#define __UCLIBC_IO_MUTEX_UNLOCK_CANCEL_UNSAFE(M) _IO_lock_unlock(M)
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+
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+#else /* of __USE_STDIO_FUTEXES__ */
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+
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+#define __UCLIBC_IO_MUTEX(M) __UCLIBC_MUTEX(M)
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+#define __UCLIBC_IO_MUTEX_LOCK(M) __UCLIBC_MUTEX_CONDITIONAL_LOCK(M, 1)
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+#define __UCLIBC_IO_MUTEX_UNLOCK(M) __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M, 1)
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+#define __UCLIBC_IO_MUTEX_TRYLOCK(M) __UCLIBC_MUTEX_TRYLOCK_CANCEL_UNSAFE(M)
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+#define __UCLIBC_IO_MUTEX_INIT(M) __UCLIBC_MUTEX_INIT(M, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP)
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+#define __UCLIBC_IO_MUTEX_EXTERN(M) __UCLIBC_MUTEX_EXTERN(M)
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+#define __UCLIBC_IO_MUTEX_AUTO_LOCK(M,A,V) __UCLIBC_MUTEX_AUTO_LOCK(M,A,V)
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+#define __UCLIBC_IO_MUTEX_AUTO_UNLOCK(M,A) __UCLIBC_MUTEX_AUTO_UNLOCK(M,A)
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+#define __UCLIBC_IO_MUTEX_LOCK_CANCEL_UNSAFE(M) __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE(M)
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+#define __UCLIBC_IO_MUTEX_UNLOCK_CANCEL_UNSAFE(M) __UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE(M)
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+#define __UCLIBC_IO_MUTEX_CONDITIONAL_LOCK(M,C) __UCLIBC_MUTEX_CONDITIONAL_LOCK(M, 1)
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+#define __UCLIBC_IO_MUTEX_CONDITIONAL_UNLOCK(M,C) __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M, 1)
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+
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+#endif /* of __USE_STDIO_FUTEXES__ */
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+
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+
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+#else /* of __UCLIBC_HAS_THREADS__ */
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#define __UCLIBC_MUTEX(M) void *__UCLIBC_MUTEX_DUMMY_ ## M
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#define __UCLIBC_MUTEX_INIT(M,I) extern void *__UCLIBC_MUTEX_DUMMY_ ## M
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@@ -83,6 +131,22 @@
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#define __UCLIBC_MUTEX_LOCK(M) ((void)0)
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#define __UCLIBC_MUTEX_UNLOCK(M) ((void)0)
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-#endif
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+#define __UCLIBC_IO_MUTEX(M) __UCLIBC_MUTEX(M)
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+#define __UCLIBC_IO_MUTEX_LOCK(M) __UCLIBC_MUTEX_CONDITIONAL_LOCK(M, 1)
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+#define __UCLIBC_IO_MUTEX_UNLOCK(M) __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M, 1)
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+#define __UCLIBC_IO_MUTEX_TRYLOCK(M) __UCLIBC_MUTEX_TRYLOCK_CANCEL_UNSAFE(M)
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+#define __UCLIBC_IO_MUTEX_INIT(M) __UCLIBC_MUTEX_INIT(M, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP)
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+#define __UCLIBC_IO_MUTEX_EXTERN(M) __UCLIBC_MUTEX_EXTERN(M)
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+#define __UCLIBC_IO_MUTEX_AUTO_LOCK(M,A,V) __UCLIBC_MUTEX_AUTO_LOCK(M,A,V)
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+#define __UCLIBC_IO_MUTEX_AUTO_UNLOCK(M,A) __UCLIBC_MUTEX_AUTO_UNLOCK(M,A)
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+#define __UCLIBC_IO_MUTEX_LOCK_CANCEL_UNSAFE(M) __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE(M)
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+#define __UCLIBC_IO_MUTEX_UNLOCK_CANCEL_UNSAFE(M) __UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE(M)
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+#define __UCLIBC_IO_MUTEX_CONDITIONAL_LOCK(M,C) __UCLIBC_MUTEX_CONDITIONAL_LOCK(M, 1)
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+#define __UCLIBC_IO_MUTEX_CONDITIONAL_UNLOCK(M,C) __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M, 1)
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+
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+#endif /* of __UCLIBC_HAS_THREADS__ */
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+
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+#define __UCLIBC_IO_MUTEX_TRYLOCK_CANCEL_UNSAFE(M) \
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+ __UCLIBC_IO_MUTEX_TRYLOCK(M)
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#endif /* _UCLIBC_MUTEX_H */
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