madvise is not available if _XPG4_2 is defined, g++ on Solaris will define
_XPG4_2.
Use posix_madvise instead, or you can declare it in your program.
Ginn
On Aug 27, 2010, at 4:03 PM, Kishore Kumar Pusukuri wrote:
> Hi,
> I am trying to play with madvise on my AMD machine running
> OpenSolaris.2009.06. However, getting the following error when I used to
> compile the below program with /usr/sfw/bin/g++. Please help me to resolve
> this. I am not sure whether the usage of madvise is correct or not? Please
> let me know.
>
> error: `madvise' undeclared (first use this function)
> error: (Each undeclared identifier is reported only once for each function it
> appears in.)
>
> Program
> =========
> ....
> #include <sys/types.h>
> #include <sys/mman.h>
> ...
> ...
>
> int
> main (void)
> {
> ....
>
> int size = numOptions*sizeof(OptionData);
> data = (OptionData*)malloc(size);
>
> if (data == NULL) {
> perror("Fatal Error: malloc failed");
> exit(-1);
> }
>
> int ret = madvise(data, size, MADV_ACCESS_MANY);
> if (ret == -1) {
> perror("Fatal Error: madvise failed");
> exit(-2);
> }
> ...
> ...
>
> return 0;
> }
> --
> This message posted from opensolaris.org
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