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| <h1 id="portability-library">Portability library</h1> |
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| <p>The Port Library is a platform abstraction library for operating-system-level |
| services, excluding those handled by the Thread Library.</p> |
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| <p>The Port Library is designed to be a standalone component that can be used to |
| add multiplatform support to many projects. Thus Port Library APIs must not |
| have dependencies on other OMR components, such as GC or JIT. They can use |
| omrthread_ APIs.</p> |
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| <p>In addition to abstracting platform-dependent details, Port Library APIs also |
| support diagnostic features such as tracing and memory usage tracking.</p> |
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| <p>Port Library APIs are published through a table of function pointers, the |
| OMRPortLibrary structure.</p> |
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| <p>Port Library APIs are conventionally invoked using convenience macros. |
| This facilitates abstraction of the function table implementation.</p> |
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| <p>For example:</p> |
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| <div class="highlighter-rouge"><pre class="highlight"><code>OMRPORT_ACCESS_FROM_OMRVMTHREAD(omrVmThread); |
| void *buffer = omrmem_allocate_memory(1024, OMRMEM_CATEGORY_MM); |
| </code></pre> |
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