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/xnu-12377.61.12/bsd/kern/
H A Dkern_descrip.c1818 struct fileproc *wfp; in dupfdopen() local
1835 (wfp = fdp->fd_ofiles[dfd]) == NULL || wfp == fp || in dupfdopen()
1841 myerror = mac_file_check_dup(kauth_cred_get(), wfp->fp_glob, dfd); in dupfdopen()
1861 if (fp_isguarded(wfp, GUARD_DUP)) { in dupfdopen()
1866 if (wfp->f_type == DTYPE_VNODE) { in dupfdopen()
1867 vnode_t vp = (vnode_t)fp_get_data(wfp); in dupfdopen()
1880 if (((flags & (FREAD | FWRITE)) | wfp->f_flag) != wfp->f_flag) { in dupfdopen()
1891 fg_ref(p, wfp->fp_glob); in dupfdopen()
1892 fp->fp_glob = wfp->fp_glob; in dupfdopen()
1899 fp->fp_flags |= (wfp->fp_flags & (FP_CLOFORK | FP_CLOEXEC)); in dupfdopen()