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Add dropped implementation of ioctl for fifos.

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This commit is contained in:
Poul-Henning Kamp 2004-11-18 17:18:11 +00:00
parent 18dc737317
commit 75ad04b4f6
1 changed files with 20 additions and 1 deletions
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21
sys/fs/fifofs/fifo_vnops.c
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@ -566,8 +566,27 @@ fifo_close_f(struct file *fp, struct thread *td)
static int
fifo_ioctl_f(struct file *fp, u_long com, void *data, struct ucred *cred, struct thread *td)
{
struct fifoinfo *fi;
struct file filetmp; /* Local, so need not be locked. */
int error;
return (vnops.fo_ioctl(fp, com, data, cred, td));
error = ENOTTY;
fi = fp->f_data;
if (com == FIONBIO)
return (0);
if (fp->f_flag & FREAD) {
filetmp.f_data = fi->fi_readsock;
filetmp.f_cred = cred;
error = soo_ioctl(&filetmp, com, data, cred, td);
if (error)
return (error);
}
if (fp->f_flag & FWRITE) {
filetmp.f_data = fi->fi_writesock;
filetmp.f_cred = cred;
error = soo_ioctl(&filetmp, com, data, cred, td);
}
return (error);
}
static int