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/*
* Test async syscalls
* Copyright (C) Volker Lendecke 2012
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "asys.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
int main(int argc, const char *argv[])
{
struct asys_context *ctx;
int i, fd, ret;
int *buf;
int ntasks = 10;
ret = asys_context_init(&ctx, 0);
if (ret != 0) {
perror("asys_context_create failed");
return 1;
}
fd = open("asys_testfile", O_CREAT|O_RDWR, 0644);
if (fd == -1) {
perror("open failed");
return 1;
}
buf = calloc(ntasks, sizeof(int));
if (buf == NULL) {
perror("calloc failed");
return 1;
}
for (i=0; i<ntasks; i++) {
buf[i] = i;
}
for (i=0; i<ntasks; i++) {
ret = asys_pwrite(ctx, fd, &buf[i], sizeof(int),
i * sizeof(int), &buf[i]);
if (ret != 0) {
errno = ret;
perror("asys_pwrite failed");
return 1;
}
}
for (i=0; i<ntasks; i++) {
void *priv;
ssize_t retval;
int err;
int *pidx;
ret = asys_result(ctx, &retval, &err, &priv);
if (ret == -1) {
errno = ret;
perror("asys_result failed");
return 1;
}
pidx = (int *)priv;
printf("%d returned %d\n", *pidx, (int)retval);
}
ret = asys_context_destroy(ctx);
if (ret != 0) {
perror("asys_context_delete failed");
return 1;
}
free(buf);
return 0;
}
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