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National Instruments Corporation ix LabWindows/CVI Programmer Reference Manual
DLL Glue Code .................................................................................................4-7
DLLs That Can Use Glue Code Generated at Load Time ..................4-8
DLLs That Cannot Use Glue Code Generated at Load Time.............4-8
Loading a DLL That Cannot Use Glue Code Generated
at Load Time ....................................................................................4-8
Rules for the DLL Include File Used to
Generate Glue Source........................................................4-9
If the DLL Requires a Support Module outside the DLL.....4-9
If You Pass Arrays Bigger Than 64 K to the DLL...............4-9
If the DLL Retains a Buffer after the Function Returns
(an Asynchronous Operation)............................................4-11
If the DLL Calls Directly Back into 32-Bit Code ................4-12
If the DLL Returns Pointers .................................................4-15
If a DLL Receives a Pointer that Points to Other
Pointers ..............................................................................4-18
DLL Exports Functions by Ordinal Value Only ..................4-20
Recognizing Windows Messages Passed from a DLL......................................4-21
Creating 16-bit DLLs with Microsoft Visual C++ 1.5......................................4-21
Creating 16-bit DLLs with Borland C++ ..........................................................4-22
DLL Search Precedence ....................................................................................4-23
Chapter 5
UNIX Compiler/Linker Issues
Calling Sun C Library Functions.....................................................................................5-1
Restrictions on Calling Sun C Library Functions..............................................5-1
Using Shared Libraries in LabWindows/CVI..................................................................5-2
Using dlopen......................................................................................................5-2
The LabWindows/CVI Run-Time Engine as a Shared Library.......................................5-2
Creating Executables that Use the LabWindows/CVI Libraries .....................................5-3
Compatible External Compilers ........................................................................5-3
Static and Shared Versions of the ANSI C and Other Sun Libraries ................5-3
Non-ANSI Behavior of Sun Solaris 1 ANSI C Library ....................................5-4
LabWindows/CVI Implements printf and scanf................................................5-4
Main Function Must Call InitCVIRTE..............................................................5-4
Run State Change Callbacks Are Not Available in Executables ......................5-5
Using Externally Compiled Modules ..............................................................................5-6
Restrictions on Externally Compiled Modules..................................................5-6
Compiling Modules With External Compilers..................................................5-6
Locking Process Segments into Memory Using plock() .................................................5-7
UNIX Asynchronous Signal Handling ............................................................................5-7
00ProRef.book : 00ProRefTOC.fm Page ix Monday, March 9, 1998 3:23 PM