mkstemp on NFS Mount?
Lowell Gilbert
freebsd-questions-local at be-well.ilk.org
Tue Oct 11 08:19:13 PDT 2005
David Marshall <dmarshall at gmail.com> writes:
> I've read mixed opinions on whether it's feasible to be doing msktemp
> on an NFS-mounted filesystem. Is it possible to do this?
>
> I use File::Temp to use mkstemp, but it's all the same, I get error
> messages such as:
>
> Error in tempfile() using /mnt/.XXXXX: Could not create temp file
> /mnt/.hkATa: Operation not supported at (eval
> 14)[/usr/local/lib/perl5/5.8.7/perl5db.pl:628] line 2
>
> Is this a matter of not having certain permissions set properly?
Probably not; no way to say without seeing your code.
In C, I get no errors at all on a quick test program (at bottom of
message). I tried it on both NFS and non-NFS filesystems. I don't
know what problems you were referring to.
================================================================
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
int main(void)
{
char pattern[100] = "foo.bar.XXXX";
char text[] = "hello world\n";
int i,j;
i = mkstemp(pattern);
printf("pattern now %s\n",pattern);
j = write(i,text,sizeof(text));
if (sizeof(text) != j)
printf("write() wrote wrong length %d\n");
j = close(i);
if (j != 0)
printf("close() returned error; errno is %d\n",errno);
}
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