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Defines | Functions | Variables

# qatomic_sh.h File Reference

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## Defines
#define | Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE
#define | Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE
#define | Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE
#define | Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE
#define | Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE
#define | Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE
#define | Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE
## Functions
Q_CORE_EXPORT void | qt_atomic_yield (int *count)
int | qt_atomic_tasb (volatile char *ptr)
## Variables
Q_CORE_EXPORT volatile char | qt_atomic_lock

## Define Documentation

#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE

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Definition at line 49 of file qatomic_sh.h.

#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE

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Definition at line 56 of file qatomic_sh.h.

#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE

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Definition at line 63 of file qatomic_sh.h.

#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE

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Definition at line 70 of file qatomic_sh.h.

#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE

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Definition at line 77 of file qatomic_sh.h.

#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE

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Definition at line 86 of file qatomic_sh.h.

#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE

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Definition at line 95 of file qatomic_sh.h.

## Function Documentation

Q_CORE_EXPORT void qt_atomic_yield | ( | int * | count | ) |

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int qt_atomic_tasb | ( | volatile char * | ptr | ) | `[inline]`

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Definition at line 107 of file qatomic_sh.h.

    {
        register int ret;
        asm volatile("tas.b @%2\n"
                     "movt  %0"
                     : "=&r"(ret), "=m"(*ptr)
                     : "r"(ptr)
                     : "cc", "memory");
        return ret;
    }

## Variable Documentation

Q_CORE_EXPORT volatile char qt_atomic_lock

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