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Rev 6099 Rev 6109
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{
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{
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    int handle;
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    int handle;
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    mutex->lock = 0;
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    mutex->lock = 0;
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    asm volatile(
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    __asm__ volatile(
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    "int $0x40\t"
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    "int $0x40\t"
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    :"=a"(handle)
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    :"=a"(handle)
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static inline int mutex_destroy(mutex_t *mutex)
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static inline int mutex_destroy(mutex_t *mutex)
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{
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{
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    int retval;
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    int retval;
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    asm volatile(
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    __asm__ volatile(
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    "int $0x40\t"
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    "int $0x40\t"
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    :"=a"(retval)
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    :"=a"(retval)
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    if( __sync_fetch_and_add(&mutex->lock, 1) == 0)
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    if( __sync_fetch_and_add(&mutex->lock, 1) == 0)
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        return;
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        return;
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    while (exchange_acquire (&mutex->lock, 2) != 0)
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    while (exchange_acquire (&mutex->lock, 2) != 0)
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    {
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    {
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        asm volatile(
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        __asm__ volatile(
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        "int $0x40\t\n"
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        "int $0x40\t\n"
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        :"=a"(tmp)
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        :"=a"(tmp)
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        :"a"(77),"b"(FUTEX_WAIT),
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        :"a"(77),"b"(FUTEX_WAIT),
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        "c"(mutex->handle),"d"(2),"S"(0));
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        "c"(mutex->handle),"d"(2),"S"(0));
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    if( __sync_fetch_and_add(&mutex->lock, 1) == 0)
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    if( __sync_fetch_and_add(&mutex->lock, 1) == 0)
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        return 1;
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        return 1;
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    while (exchange_acquire (&mutex->lock, 2) != 0)
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    while (exchange_acquire (&mutex->lock, 2) != 0)
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    {
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    {
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        asm volatile(
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        __asm__ __volatile__(
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        "int $0x40\t"
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        "int $0x40\t"
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        :"=a"(tmp)
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        :"=a"(tmp)
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        :"a"(77),"b"(FUTEX_WAIT),
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        :"a"(77),"b"(FUTEX_WAIT),
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    prev = exchange_release (&mutex->lock, 0);
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    prev = exchange_release (&mutex->lock, 0);
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    if (prev != 1)
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    if (prev != 1)
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    {
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    {
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        asm volatile(
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        __asm__ volatile(
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        "int $0x40\t"
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        "int $0x40\t"
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        :"=a"(prev)
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        :"=a"(prev)
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        :"a"(77),"b"(FUTEX_WAKE),
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        :"a"(77),"b"(FUTEX_WAKE),