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Annotation of coherent/f/usr/man/KERNEL/ttread0, revision 1.1.1.1

1.1       root        1: ttttrreeaadd00() -- Terminal Device Routine
                      2: 
                      3: #iinncclluuddee <ssyyss/iioo.hh>
                      4: #iinncclluuddee <ssyyss/ttttyy.hh>
                      5: vvooiidd
                      6: ttttrreeaadd00(_t_p, _i_o_p, _f_u_n_c_1, _a_r_g_1, _f_u_n_c_2, _a_r_g_2)
                      7: TTTTYY *_t_p;
                      8: IIOO *_i_o_p;
                      9: iinntt (*_f_u_n_c_1)(), _a_r_g_1, (*_f_u_n_c_2)(), _a_r_g_2;
                     10: 
                     11: ttttrreeaadd00() moves  data from the  input queue associated  with _t_p to  the I/O
                     12: area referenced by iioopp. If an error occurs, it sets field uu.uu_eerrrroorr.
                     13: 
                     14: The  following behavior  makes  it possible  to  prevent deadlocks  between
                     15: coupled drivers,  such as master-slave  pseudoterminal pairs.  If  _f_u_n_c_1 is
                     16: not null, the function call (*_f_u_n_c_1)(_a_r_g_1) is  performed whenever ttttrreeaadd00()
                     17: is about to sleep.  Likewise, if _f_u_n_c_2 is not null, (*_f_u_n_c_2)(_a_r_g_2)       is
                     18: performed whenever ttttrreeaadd00() is about to sleep.
                     19: 
                     20: ttttrreeaadd(_t_p, _i_o_p) is equivalent to ttttrreeaadd00(_t_p, _i_o_p, 00, 00, 00, 00).
                     21: 
                     22: _S_e_e _A_l_s_o
                     23: tteerrmmiinnaall-ddeevviiccee rroouuttiinneess

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