forked from mirrors/gecko-dev
16b9c75459
Depends on D137611 Differential Revision: https://phabricator.services.mozilla.com/D137612
47 lines
894 B
ReStructuredText
47 lines
894 B
ReStructuredText
PR_AttachSharedMemory
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=====================
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Attaches a memory segment previously opened with :ref:`PR_OpenSharedMemory`
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and maps it into the process memory space.
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.. _Syntax:
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Syntax
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------
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.. code:: eval
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#include <prshm.h>
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.. code:: eval
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NSPR_API( void * )
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PR_AttachSharedMemory(
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PRSharedMemory *shm,
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PRIntn flags
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);
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/* Define values for PR_AttachSharedMemory(...,flags) */
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#define PR_SHM_READONLY 0x01
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.. _Parameters:
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Parameters
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~~~~~~~~~~
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The function has these parameters:
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shm
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The handle returned from :ref:`PR_OpenSharedMemory`.
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flags
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Options for mapping the shared memory. ``PR_SHM_READONLY`` causes the
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memory to be attached read-only.
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.. _Returns:
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Returns
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~~~~~~~
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Address where shared memory is mapped, or ``NULL`` if an error occurs.
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Retrieve the reason for the failure by calling :ref:`PR_GetError` and
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:ref:`PR_GetOSError`.
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