source3/lib/asys/tests.c

   1 /*
   2  * Test async syscalls
   3  * Copyright (C) Volker Lendecke 2012
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include "asys.h"
  20 #include <stdio.h>
  21 #include <string.h>
  22 #include <stdlib.h>
  23 #include <errno.h>
  24
  25 int main(int argc, const char *argv[])
  26 {
  27         struct asys_context *ctx;
  28         int i, fd, ret;
  29
  30         int *buf;
  31
  32         int ntasks = 10;
  33
  34         ret = asys_context_init(&ctx, 0);
  35         if (ret != 0) {
  36                 perror("asys_context_create failed");
  37                 return 1;
  38         }
  39
  40         fd = open("asys_testfile", O_CREAT|O_RDWR, 0644);
  41         if (fd == -1) {
  42                 perror("open failed");
  43                 return 1;
  44         }
  45
  46         buf = calloc(ntasks, sizeof(int));
  47         if (buf == NULL) {
  48                 perror("calloc failed");
  49                 return 1;
  50         }
  51
  52         for (i=0; i<ntasks; i++) {
  53                 buf[i] = i;
  54         }
  55
  56         for (i=0; i<ntasks; i++) {
  57                 ret = asys_pwrite(ctx, fd, &buf[i], sizeof(int),
  58                                   i * sizeof(int), &buf[i]);
  59                 if (ret != 0) {
  60                         errno = ret;
  61                         perror("asys_pwrite failed");
  62                         return 1;
  63                 }
  64         }
  65
  66         for (i=0; i<ntasks; i++) {
  67                 void *priv;
  68                 ssize_t retval;
  69                 int err;
  70                 int *pidx;
  71
  72                 ret = asys_result(ctx, &retval, &err, &priv);
  73                 if (ret == -1) {
  74                         errno = ret;
  75                         perror("asys_result failed");
  76                         return 1;
  77                 }
  78                 pidx = (int *)priv;
  79
  80                 printf("%d returned %d\n", *pidx, (int)retval);
  81         }
  82
  83         ret = asys_context_destroy(ctx);
  84         if (ret != 0) {
  85                 perror("asys_context_delete failed");
  86                 return 1;
  87         }
  88
  89         free(buf);
  90
  91         return 0;
  92 }