shared_initialization.cpp File Reference

#include <corecrt_internal.h>

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Functions
bool __cdecl	__acrt_execute_initializers (__acrt_initializer const *const first, __acrt_initializer const *const last)
bool __cdecl	__acrt_execute_uninitializers (__acrt_initializer const *const first, __acrt_initializer const *const last)

Function Documentation

__acrt_execute_initializers()

bool __cdecl __acrt_execute_initializers	(	__acrt_initializer const *const	first,
		__acrt_initializer const *const	last
	)

Definition at line 10 of file shared_initialization.cpp.

{
    if (first == last)
        return true;
 
    // Execute the initializers in [first, last), in order:
    __acrt_initializer const* it = first;
    for (; it != last; ++it)
    {
        if (it->_initialize == nullptr)
            continue;
 
        if (!(it->_initialize)())
            break;
    }
 
    // If we reached the end, all initializers completed successfully:
    if (it == last)
        return true;
 
    // Otherwise, the initializer pointed to by it failed.  We need to roll back
    // the initialization by executing the uninitializers corresponding to each
    // of the initializers that completed successfully:
    for (; it != first; --it)
    {
        // During initialization roll back, we do not execute uninitializers
        // that have no corresponding initializer:
        if ((it - 1)->_initialize == nullptr || (it - 1)->_uninitialize == nullptr)
            continue;
 
        (it - 1)->_uninitialize(false);
    }
 
    return false;
}

__acrt_execute_uninitializers()

bool __cdecl __acrt_execute_uninitializers	(	__acrt_initializer const *const	first,
		__acrt_initializer const *const	last
	)

Definition at line 49 of file shared_initialization.cpp.

{
    if (first == last)
        return true;
 
    // Execute the uninitializers in [first, last), in reverse order:
    for (__acrt_initializer const* it = last; it != first; --it)
    {
        if ((it - 1)->_uninitialize == nullptr)
            continue;
 
        (it - 1)->_uninitialize(false);
    }
 
    return true;
}