tools/testing/selftests/sync/sync_merge.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/sync/sync_merge.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/sync/sync_merge.c
Extension
.c
Size
2195 bytes
Lines
61
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#include "sync.h"
#include "sw_sync.h"
#include "synctest.h"

int test_fence_merge_same_fence(void)
{
	int fence, valid, merged;
	int timeline = sw_sync_timeline_create();

	valid = sw_sync_timeline_is_valid(timeline);
	ASSERT(valid, "Failure allocating timeline\n");

	fence = sw_sync_fence_create(timeline, "allocFence", 5);
	valid = sw_sync_fence_is_valid(fence);
	ASSERT(valid, "Failure allocating fence\n");

	merged = sync_merge("mergeFence", fence, fence);
	valid = sw_sync_fence_is_valid(fence);
	ASSERT(valid, "Failure merging fence\n");

	ASSERT(sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED) == 0,
	       "fence signaled too early!\n");

	sw_sync_timeline_inc(timeline, 5);
	ASSERT(sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED) == 1,
	       "fence did not signal!\n");

	sw_sync_fence_destroy(merged);
	sw_sync_fence_destroy(fence);
	sw_sync_timeline_destroy(timeline);

	return 0;
}

Annotation

Implementation Notes