Sharing Constants

Constants for file-sharing modes.


#include <share.h>


The shflag argument determines the sharing mode, which consists of one or more manifest constants. These can be combined with the oflag arguments (see File Constants).

The following table lists the constants and their meanings:

Constant Meaning
_SH_DENYRW Denies read and write access to file
_SH_DENYWR Denies write access to file
_SH_DENYRD Denies read access to file
_SH_DENYNO Permits read and write access
_SH_SECURE Sets secure mode (shared read, exclusive write access).

See also

_sopen, _wsopen
_fsopen, _wfsopen
Global Constants