DosCallPSD: Difference between revisions
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DosCallPSD must be called is protect mode only. The protocol is private. | DosCallPSD must be called is protect mode only. The protocol is private. | ||
If the PSD does not export the | If the PSD does not export the ''PSD_APP_COMM function'', and the DosCallPSD API is invoked, ''ERROR_INVALID_FUNCTION'' is returned. | ||
[[Category:PSD]] | [[Category:PSD]] | ||
Latest revision as of 18:07, 24 May 2025
This function calls directly into the PSD from an application. Perform generic APP/PSD communication.
This function performs generic application/PSD communication. The entry arguments, and return codes are not interpreted by OS/2, it is passed verbatim to, and from the PSD.
Syntax
DosCallPSD <keywords>
Parameters
Function number, argument
Return Code
- NO_ERROR
- -1
Remarks
DosCallPSD must be called is protect mode only. The protocol is private.
If the PSD does not export the PSD_APP_COMM function, and the DosCallPSD API is invoked, ERROR_INVALID_FUNCTION is returned.