As Dirk wrote, O_CREAT is a #define for the C/C++ preprocessor.
It's not available in the vxWorks shell.
In the vxWorks shell you'll have to use the numeric value 0, 1, ...
that you determine from the #include file, something like this:
fgrep -r O_CREAT /usr/include/*
/usr/include/sys/fcntl.h:#define O_CREAT 0x0200 /* create if nonexistant
*/
-Kay
On 3/9/12 09:22 , "Dirk Zimoch" <[email protected]> wrote:
ÕÅÓñÁÁ wrote:
Hello,
I tried to open a file on my linux host machine via vxworks function
open("filename", O_CREAT|O_WRONLY, 0644) from target ME5100. When I run
the start file st.cmd ,it printed "undefined symbol: O_CREAT". Which
supprot should add to the vxworks kernel image?
Thank you in advance!
Zhang Yuliang
Insititute of High Energy Physics
O_CREAT is a macro that should be defined when you #include <fcntl.h>.
Didn't you get any compiler warnings? They are often more useful than
errors from the loader.
Didn't you have any problems with O_WRONLY? O_CREAT and O_WRONLY are
defined in the same file!
Dirk
