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84 lines
2.8 KiB
84 lines
2.8 KiB
/* |
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Copyright (c) 2012, Broadcom Europe Ltd |
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All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions are met: |
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* Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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* Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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* Neither the name of the copyright holder nor the |
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names of its contributors may be used to endorse or promote products |
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derived from this software without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY |
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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/*============================================================================= |
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VideoCore OS Abstraction Layer - thread local storage |
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=============================================================================*/ |
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#ifndef VCOS_TLS_H |
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#define VCOS_TLS_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#include "interface/vcos/vcos_types.h" |
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#include "vcos.h" |
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/** Create a new thread local storage data key visible to all threads in |
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* the current process. |
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* |
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* @param key The key to create |
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*/ |
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VCOS_INLINE_DECL |
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VCOS_STATUS_T vcos_tls_create(VCOS_TLS_KEY_T *key); |
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/** Delete an existing TLS data key. |
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*/ |
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VCOS_INLINE_DECL |
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void vcos_tls_delete(VCOS_TLS_KEY_T tls); |
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/** Set the value seen by the current thread. |
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* |
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* @param key The key to update |
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* @param v The value to set for the current thread. |
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* |
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* @return VCOS_SUCCESS, or VCOS_ENOMEM if memory for this slot |
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* could not be allocated. |
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* |
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* If TLS is being emulated via VCOS then the memory required |
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* can be preallocated at thread creation time |
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*/ |
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VCOS_INLINE_DECL |
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VCOS_STATUS_T vcos_tls_set(VCOS_TLS_KEY_T tls, void *v); |
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/** Get the value for the current thread. |
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* |
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* @param key The key to update |
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* |
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* @return The current value for this thread. |
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*/ |
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VCOS_INLINE_DECL |
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void *vcos_tls_get(VCOS_TLS_KEY_T tls); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif |
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