Jean Tourrilhes <jt@bougret.hpl.hp.com> wrote:
>
> Hi,
>
> I reported this obvious kernel 2.5.X bug 6 months ago, and as
> of 2.5.67 it is still not fixed. Do you know who I should send this
> bug report to ?
fcntl(fd, F_GETFL, intp) does not put the return value into *intp. The
flags are in fcntl()'s return value. Same with 2.4.
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
int main()
{
int trigger_pipe[2];
int err;
int flags;
int newflags;
pipe(trigger_pipe);
/* Get flags */
flags = fcntl(trigger_pipe[0], F_GETFL, NULL);
fprintf(stderr, "Set flags: 0x%x\n", flags);
/* Set flags */
flags |= O_NONBLOCK;
err = fcntl(trigger_pipe[0], F_SETFL, flags);
fprintf(stderr, "Set flags: %d\n", err);
/* Check flags */
flags = fcntl(trigger_pipe[0], F_GETFL, NULL);
fprintf(stderr, "Get flags: 0x%0x\n", flags);
}
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This archive was generated by hypermail 2b29 : Wed Apr 30 2003 - 22:00:18 EST