Q67485: Why locking() May Allow Only Twenty Regions to Be Locked

Article: Q67485
Product(s): See article
Version(s): 4.x 5.x 6.00 6.00a
Operating System(s): MS-DOS
Keyword(s): ENDUSER | s_quickc | mspl13_c
Last Modified: 30-JAN-1991

The DOS SHARE.EXE command installs file sharing and locking capability
within the DOS environment. If SHARE is executed without any
parameters, the default number of simultaneous file locks is 20.
Subsequently, the C locking() function will allow only twenty regions
to be locked at the same time. To change from the default, SHARE
should be installed with the following parameter (where n is the
number of simultaneous regions that can be locked):

   SHARE /L:n

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