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/*
* Copyright © 2014 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Authors:
* Daniel Vetter <daniel.vetter@ffwll.ch>
*
*/
#include "igt.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/resource.h>
#include <sys/time.h>
#include <fcntl.h>
#include <limits.h>
#include "i915/gem_create.h"
/**
* TEST: gem fd exhaustion
* Category: Core
* Mega feature: General Core features
* Sub-category: CMD submission
* Functionality: fd exhaustion
*
* SUBTEST:
*/
igt_simple_main
{
int fd;
igt_require(igt_allow_unlimited_files());
fd = drm_open_driver(DRIVER_INTEL);
igt_fork(n, 1) {
igt_drop_root();
for (int i = 0; ; i++) {
int leak = open("/dev/null", O_RDONLY);
uint64_t size = 4096;
uint32_t handle;
if (__gem_create(fd, &size, &handle) == 0)
gem_close(fd, handle);
if (leak < 0) {
igt_info("fd exhaustion after %i rounds.\n", i);
igt_assert(__gem_create(fd, &size,
&handle) < 0);
break;
}
}
/* The child will free all the fds when exiting, so no need to
* clean up to mess to ensure that the parent can at least run
* the exit handlers. */
}
igt_waitchildren();
drm_close_driver(fd);
}
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