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backends/hostmem-shm: factor out allocation of "anonymous shared memory with an fd"

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Let's factor it out so we can reuse it.

Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/1736967650-129648-2-git-send-email-steven.sistare@oracle.com
Signed-off-by: Fabiano Rosas <farosas@suse.de>
This commit is contained in:
Steve Sistare 2025-01-15 11:00:27 -08:00 • committed by Fabiano Rosas
parent ed19620846
commit 57ad6ab804
5 changed files with 69 additions and 43 deletions
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6
util/oslib-win32.c
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@ -877,3 +877,9 @@ void qemu_win32_map_free(void *ptr, HANDLE h, Error **errp)
}
CloseHandle(h);
}
int qemu_shm_alloc(size_t size, Error **errp)
{
error_setg(errp, "Shared memory is not supported.");
return -1;
}