NET_LOCK_GIANT();
error = socreate(uap->domain, &so, uap->type, uap->protocol,
td->td_ucred, td);
NET_UNLOCK_GIANT();
if (error) {
fdclose(fdp, fp, fd, td);
} else {
FILEDESC_LOCK_FAST(fdp);
fp->f_data = so; /* already has ref count */
fp->f_flag = FREAD|FWRITE;
fp->f_ops = &socketops;
fp->f_type = DTYPE_SOCKET;
FILEDESC_UNLOCK_FAST(fdp);
td->td_retval[0] = fd;
}
fdrop(fp, td);
return (error);
I found these lines in "kern/uipc_syscalls.c(166-182, version:5.4)". I had a
question! Why drop "fp" if socreate function return success? Can you tell me?
Thank you very much!
Joe
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