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/* Copyright (C) 2015 D. V. Wiebe
*
***************************************************************************
*
* This file is part of the GetData project.
*
* GetData is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* GetData 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GetData; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "test.h"
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#define GD_RLIM 20
int main(void)
{
#if ! defined HAVE_SETRLIMIT
return 77;
#else
const char *filedir = "dirfile";
const char *format = "dirfile/format";
const char *data_fmt = "dirfile/ent%04i";
struct rlimit rlim = { GD_RLIM, GD_RLIM };
int i, e1, e2, e3, r = 0;
const uint8_t data[8] = {1,2,3,4,5,6,7,8};
char name[16];
if (setrlimit(RLIMIT_NOFILE, &rlim)) {
perror("setrlimit");
return 77;
}
DIRFILE *D;
rmdirfile();
D = gd_open(filedir, GD_CREAT | GD_UNENCODED | GD_RDWR);
/* now add a bunch of files */
for (i = 0; i < GD_RLIM; ++i) {
sprintf(name, "ent%04i", i);
gd_add_raw(D, name, GD_UINT8, 1, 0);
e1 = gd_error(D);
CHECKIi(i,e1,GD_E_OK);
}
gd_flush(D, NULL);
/* now try writing; this will pile up file descriptors */
for (i = 0; i < GD_RLIM; ++i) {
sprintf(name, "ent%04i", i);
gd_putdata(D, name, 0, 0, 0, 8, GD_UINT8, data);
e2 = gd_error(D);
if (e2 == GD_E_RAW_IO) {
/* closing everything and try again -- should work now */
gd_raw_close(D, NULL);
gd_putdata(D, name, 0, 0, 0, 8, GD_UINT8, data);
e3 = gd_error(D);
CHECKIi(i,e3,GD_E_OK);
} else {
CHECKIi(i,e2,GD_E_OK);
}
}
gd_discard(D);
for (i = 0; i < GD_RLIM; ++i) {
sprintf(name, data_fmt, i);
unlink(name);
}
unlink(format);
rmdir(filedir);
return r;
#endif
}
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