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Rev 6068 Rev 6099
Line 54... Line 54...
54 
        return;
 54 
        return;
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 55 
 
56 
    while (exchange_acquire (&mutex->lock, 2) != 0)
 56 
    while (exchange_acquire (&mutex->lock, 2) != 0)
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    {
 57 
    {
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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\n"
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        :"=a"(tmp)
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        :"=a"(tmp)
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        :"a"(77),"b"(FUTEX_WAIT),
 61 
        :"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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   }
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   }
Line 64... Line 64...
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};
 64 
};
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static inline void mutex_lock_timeout(mutex_t *mutex, int timeout)
 66 
static inline int mutex_lock_timeout(mutex_t *mutex, int timeout)
Line 67... Line 67...
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{
 67 
{
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    int tmp;
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    int tmp = 0;
Line 69... Line 69...
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 69 
 
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    if( __sync_fetch_and_add(&mutex->lock, 1) == 0)
 70 
    if( __sync_fetch_and_add(&mutex->lock, 1) == 0)
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        return;
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        return 1;
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 72 
 
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    while (exchange_acquire (&mutex->lock, 2) != 0)
 73 
    while (exchange_acquire (&mutex->lock, 2) != 0)
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    {
 74 
    {
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        asm volatile(
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        asm volatile(
- 
 
 76 
        "int $0x40\t"
- 
 
 77 
        :"=a"(tmp)
- 
 
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        :"a"(77),"b"(FUTEX_WAIT),
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        "int $0x40\t"
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        "c"(mutex->handle),"d"(2),"S"(timeout));
- 
 
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        :"=a"(tmp)
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        if(++tmp == 0)
Line 78... Line 82...
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        :"a"(77),"b"(FUTEX_WAIT),
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            break;
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        "c"(mutex->handle),"d"(2),"S"(timeout));
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    }
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   }
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    return tmp ;