FDOS / share

Installs file-sharing and locking capabilities for FreeDOS kernel. (Not compatible with other DOS kernels.)
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Interface: Add subfunction is_file_open() to the multiplex #4

Closed andrewbird closed 3 years ago

andrewbird commented 3 years ago

In order that the FreeDOS kernel can determine if it's acceptable to delete or rename a file it must first know whether a file is open. This patch creates a new subfunction int2f/0x10a6 that the kernel may use for this purpose. A similar patch, with identical subfunction numbering, has been applied to FDPP see https://github.com/dosemu2/fdpp/commit/691721f1.

A patch that makes use of this is coming for the FreeDOS kernel