lib/posix_drv/c_src/posix_drv.h

   1 /*
   2 ** Copyright (c) 2003, Scott Lystig Fritchie.  All rights reserved.
   3 ** See the file "../LICENSE" for license details.
   4 **
   5 ** NOTICE: This file was generated by the tools of the Erlang Driver
   6 **         toolkit.  Do not edit this file by hand unless you know
   7 **         what you're doing!
   8 **
   9 */
  10
  11 #ifndef __POSIX_DRV_H
  12 #define __POSIX_DRV_H
  13
  14 #ifdef   DRIVER_USING_PTHREADS
  15 #include <pthread.h>
  16 #endif   /* DRIVER_USING_PTHREADS */
  17
  18 /*
  19 ** Driver<->emulator communication codes (xref with top of posix_drv.hrl)
  20 */
  21
  22 #define _DEBUG                          0
  23 #define _GETGID                         1
  24 #define _GETEGID                        2
  25 #define _GETGRNAM                       3
  26 #define _GETGRGID                       4
  27 #define _GETGROUPS                      5
  28 #define _GETPWNAM                       6
  29 #define _GETPWUID                       7
  30 #define _GETUID                         8
  31 #define _GETEUID                        9
  32 #define _GETLOGIN                       10
  33 #define _GETPGRP                        11
  34 #define _GETPPID                        12
  35 #define _GETSID                         13
  36 #define _KILL                           14
  37 #define _LSTAT                          15
  38 #define _MKFIFO                         16
  39 #define _MKNOD                          17
  40 #define _UMASK                          18
  41
  42 /*
  43 ** Constants
  44 */
  45
  46
  47 #define  MAX_BINVS              24      /* QQQ dumb const! */
  48
  49 #define  VALMAP_INUSE           0x01
  50 #define  VALMAP_DELAYED_CLEANUP 0x02
  51
  52 /*
  53 ** descriptor_t = general state for the port
  54 **
  55 */
  56
  57 struct descriptor {
  58     ErlDrvPort          port;
  59     unsigned short      nextxid;        /* Call txn ID for very async calls */
  60 };
  61
  62 /*
  63 ** callstate_t: asychronous call state
  64 **
  65 ** TODO: Fill in the struct members of "i" and "o" below.
  66 */
  67 typedef struct callstate {
  68     struct callstate    *next;
  69     int                 cmd;            /* call/command # */
  70 #define XXXKEY  ((void *) 1)
  71     unsigned int        *key;           /* Not really used */
  72     void                (*invoke)(void *);
  73     void                (*free)(void *);
  74     unsigned short      xid;            /* Only used by as_control()-
  75                                            initiated funcs */
  76     /*
  77     ** Input & output args use a struct simply for convenient
  78     ** naming & grouping.  There isn't any attempt to get smart about
  79     ** using a union or anything like that to avoid bloating the size
  80     ** of these structs with the combined args of a zillion different
  81     ** functions.  QQQ For future use: look into the use of unions
  82     ** and/or different flavors of callstate_t to avoid structure bloat.
  83     */
  84     struct {
  85         char *          name;
  86         gid_t           gid;
  87         char *          login;
  88         uid_t           uid;
  89         pid_t           pid;
  90         int             sig;
  91         char *          path;
  92         mode_t          mode;
  93         dev_t           dev;
  94         mode_t          numask;
  95     } i;
  96     struct {
  97         int             __expect;
  98         int             __expect_errval;
  99         gid_t           ret_gid_t; /* XXX 1 */
 100         struct group *  ret_grptr; /* XXX 1 */
 101         int             ret_int; /* XXX 1 */
 102         struct passwd *  ret_pwptr; /* XXX 1 */
 103         uid_t           ret_uid_t; /* XXX 1 */
 104         char *          ret_char_p; /* XXX 1 */
 105         pid_t           ret_pid_t; /* XXX 1 */
 106         gid_t           gidset[NGROUPS_MAX];
 107         struct stat     sb;
 108     } o;
 109 } callstate_t;
 110
 111 /*
 112 ** End of autogenerated code
 113 **  script = ../../edtk/c_h_template.gsl
 114 **  filename = posix.xml
 115 **  gslgen version = 2.000 Beta 1
 116 **  date = 2003/05/09
 117 **  time = 22:42:08
 118 */
 119
 120 #endif  /* __POSIX_DRV_H */