1  /* do not edit automatically generated by mc from Selective.  */
       2  /* Selective.def provides Modula-2 with access to the select(2) primitive.
       3  
       4  Copyright (C) 2001-2023 Free Software Foundation, Inc.
       5  Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
       6  
       7  This file is part of GNU Modula-2.
       8  
       9  GNU Modula-2 is free software; you can redistribute it and/or modify
      10  it under the terms of the GNU General Public License as published by
      11  the Free Software Foundation; either version 3, or (at your option)
      12  any later version.
      13  
      14  GNU Modula-2 is distributed in the hope that it will be useful, but
      15  WITHOUT ANY WARRANTY; without even the implied warranty of
      16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17  General Public License for more details.
      18  
      19  Under Section 7 of GPL version 3, you are granted additional
      20  permissions described in the GCC Runtime Library Exception, version
      21  3.1, as published by the Free Software Foundation.
      22  
      23  You should have received a copy of the GNU General Public License and
      24  a copy of the GCC Runtime Library Exception along with this program;
      25  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      26  <http://www.gnu.org/licenses/>.  */
      27  
      28  
      29  #if !defined (_Selective_H)
      30  #   define _Selective_H
      31  
      32  #include "config.h"
      33  #include "system.h"
      34  #   ifdef __cplusplus
      35  extern "C" {
      36  #   endif
      37  #include <stdbool.h>
      38  #   if !defined (PROC_D)
      39  #      define PROC_D
      40         typedef void (*PROC_t) (void);
      41         typedef struct { PROC_t proc; } PROC;
      42  #   endif
      43  
      44  #   include "GSYSTEM.h"
      45  
      46  #   if defined (_Selective_C)
      47  #      define EXTERN
      48  #   else
      49  #      define EXTERN extern
      50  #   endif
      51  
      52  typedef void *Selective_SetOfFd;
      53  
      54  typedef void *Selective_Timeval;
      55  
      56  EXTERN int Selective_Select (unsigned int nooffds, Selective_SetOfFd readfds, Selective_SetOfFd writefds, Selective_SetOfFd exceptfds, Selective_Timeval timeout);
      57  EXTERN Selective_Timeval Selective_InitTime (unsigned int sec, unsigned int usec);
      58  EXTERN Selective_Timeval Selective_KillTime (Selective_Timeval t);
      59  EXTERN void Selective_GetTime (Selective_Timeval t, unsigned int *sec, unsigned int *usec);
      60  EXTERN void Selective_SetTime (Selective_Timeval t, unsigned int sec, unsigned int usec);
      61  EXTERN Selective_SetOfFd Selective_InitSet (void);
      62  EXTERN Selective_SetOfFd Selective_KillSet (Selective_SetOfFd s);
      63  EXTERN void Selective_FdZero (Selective_SetOfFd s);
      64  EXTERN void Selective_FdSet (int fd, Selective_SetOfFd s);
      65  EXTERN void Selective_FdClr (int fd, Selective_SetOfFd s);
      66  EXTERN bool Selective_FdIsSet (int fd, Selective_SetOfFd s);
      67  EXTERN int Selective_MaxFdsPlusOne (int a, int b);
      68  EXTERN void Selective_WriteCharRaw (int fd, char ch);
      69  EXTERN char Selective_ReadCharRaw (int fd);
      70  
      71  /*
      72     GetTimeOfDay - fills in a record, Timeval, filled in with the
      73                    current system time in seconds and microseconds.
      74                    It returns zero (see man 3p gettimeofday)
      75  */
      76  
      77  EXTERN int Selective_GetTimeOfDay (Selective_Timeval tv);
      78  #   ifdef __cplusplus
      79  }
      80  #   endif
      81  
      82  #   undef EXTERN
      83  #endif