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 | | From: | Tim Haynes | | Subject: | Re: Opening the same file multiple times | | Date: | Wed, 17 Nov 2004 10:31:11 +0000 |
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 | "Zahid Faizal" writes:
> Let us assume that an application opens the same file more than once
> (perhaps by mistake). I am assuming that only the first open() takes
> effect, and that the other open() calls are no-ops. Is that correct?
No. RTBM open(2).
#include
#include
#include
#include
int main(void)
{
int fd1, fd2;
fd1=open("/tmp/pants", O_CREAT);
printf("FD1 is %d\n", fd1);
fd2=open("/tmp/pants", O_CREAT);
printf("FD2 is %d\n", fd2);
close(fd2);
close(fd1);
return 0;
}
~Tim
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