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igt/gem_concurrent_blit: Check inheritance of buffers

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The current forked modes recreate their handles in the children and just
look at any complications arising from contention. This mode looks at
inheriting the fd+handles from the parent into the child and seeing if
we can use them within the child.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-01-22 19:29:07 +00:00
parent 512f846f37
commit 4645630d3e
1 changed files with 14 additions and 0 deletions
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14
tests/gem_concurrent_all.c
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@ -1129,6 +1129,19 @@ static void run_interruptible(struct buffers *buffers,
igt_assert_eq(intel_detect_and_clear_missed_interrupts(fd), 0); igt_assert_eq(intel_detect_and_clear_missed_interrupts(fd), 0);
} }
static void run_child(struct buffers *buffers,
do_test do_test_func,
do_copy do_copy_func,
do_hang do_hang_func)
{
igt_fork(child, 1)
do_test_func(buffers, do_copy_func, do_hang_func);
igt_waitchildren();
igt_assert_eq(intel_detect_and_clear_missed_interrupts(fd), 0);
}
static void __run_forked(struct buffers *buffers, static void __run_forked(struct buffers *buffers,
int num_children, int loops, int num_children, int loops,
do_test do_test_func, do_test do_test_func,
@ -1422,6 +1435,7 @@ run_modes(const char *style, const struct access_mode *mode, unsigned allow_mem)
return; return;
run_basic_modes(style, mode, "", run_single); run_basic_modes(style, mode, "", run_single);
run_basic_modes(style, mode, "-child", run_child);
run_basic_modes(style, mode, "-forked", run_forked); run_basic_modes(style, mode, "-forked", run_forked);
igt_fork_signal_helper(); igt_fork_signal_helper();