mirror of
https://github.com/wpilibsuite/allwpilib
synced 2026-06-26 01:51:41 +00:00
776a991d61
Internally, the linked list now uses shared_ptrs instead of raw pointers. In addition, in the WPILib the notifier handle is now made atomic. Then before the class is destructed, the handle is now set to 0. This should help solve one of the existing race conditions. A 0 handle is correctly handled down at the HAL level.
26 lines
1.0 KiB
C++
26 lines
1.0 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2016. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#include "HandlesInternal.h"
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#include "IndexedHandleResource.h"
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#include "LimitedHandleResource.h"
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#include "UnlimitedHandleResource.h"
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namespace hal {
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HalHandle createHandle(int16_t index, HalHandleEnum handleType) {
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if (index < 0) return HAL_HANDLE_NEGATIVE_INDEX;
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uint8_t hType = static_cast<uint8_t>(handleType);
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if (hType == 0 || hType > 127) return HAL_HANDLE_INVALID_TYPE;
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// set last 8 bits, then shift to first 8 bits
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HalHandle handle = hType;
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handle = handle << 24;
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// add index to set last 16 bits
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handle += index;
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return handle;
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}
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}
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