Message-Id: <1457537342-678-2-git-send-email-emilio.lopez@collabora.co.uk>
Date:	Wed,  9 Mar 2016 12:28:54 -0300
From:	Emilio López <emilio.lopez@...labora.co.uk>
To:	Shuah Khan <shuahkh@....samsung.com>
Cc:	devel@...verdev.osuosl.org,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
	Riley Andrews <riandrews@...roid.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	John Harrison <John.C.Harrison@...el.com>,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	Greg Hackmann <ghackmann@...gle.com>,
	Rob Clark <robdclark@...il.com>,
	linux-kselftest@...r.kernel.org,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Daniel Stone <daniels@...labora.com>,
	Arve Hjønnevåg <arve@...roid.com>,
	Emilio López <emilio.lopez@...labora.co.uk>
Subject: [RFC PATCH v1 1/9] selftest: sync: basic tests for sw_sync framework

These tests are based on the libsync test suite from Android.
This commit lays the ground for future tests, as well as includes
tests for a variety of basic allocation commands.

Signed-off-by: Gustavo Padovan <gustavo.padovan@...labora.co.uk>
Signed-off-by: Emilio López <emilio.lopez@...labora.co.uk>
---

 tools/testing/selftests/Makefile          |   1 +
 tools/testing/selftests/sync/.gitignore   |   1 +
 tools/testing/selftests/sync/Makefile     |  21 ++++
 tools/testing/selftests/sync/sw_sync.h    |  46 +++++++
 tools/testing/selftests/sync/sync.c       | 203 ++++++++++++++++++++++++++++++
 tools/testing/selftests/sync/sync.h       | 119 ++++++++++++++++++
 tools/testing/selftests/sync/sync_alloc.c |  74 +++++++++++
 tools/testing/selftests/sync/sync_test.c  |  71 +++++++++++
 tools/testing/selftests/sync/synctest.h   |  47 +++++++
 9 files changed, 583 insertions(+)
 create mode 100644 tools/testing/selftests/sync/.gitignore
 create mode 100644 tools/testing/selftests/sync/Makefile
 create mode 100644 tools/testing/selftests/sync/sw_sync.h
 create mode 100644 tools/testing/selftests/sync/sync.c
 create mode 100644 tools/testing/selftests/sync/sync.h
 create mode 100644 tools/testing/selftests/sync/sync_alloc.c
 create mode 100644 tools/testing/selftests/sync/sync_test.c
 create mode 100644 tools/testing/selftests/sync/synctest.h

diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index b04afc3..35ed218 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -21,6 +21,7 @@ TARGETS += ptrace
 TARGETS += seccomp
 TARGETS += size
 TARGETS += static_keys
+TARGETS += sync
 TARGETS += sysctl
 ifneq (1, $(quicktest))
 TARGETS += timers
diff --git a/tools/testing/selftests/sync/.gitignore b/tools/testing/selftests/sync/.gitignore
new file mode 100644
index 0000000..f5091e7
--- /dev/null
+++ b/tools/testing/selftests/sync/.gitignore
@@ -0,0 +1 @@
+sync_test
diff --git a/tools/testing/selftests/sync/Makefile b/tools/testing/selftests/sync/Makefile
new file mode 100644
index 0000000..b21382d
--- /dev/null
+++ b/tools/testing/selftests/sync/Makefile
@@ -0,0 +1,21 @@
+CC = $(CROSS_COMPILE)gcc
+CFLAGS := -O2 -g -std=gnu89 -pthread -Wall
+CFLAGS += -I../../../../drivers/staging/android/
+LDFLAGS += -pthread
+
+TEST_PROGS = sync_test
+
+all: $(TEST_PROGS)
+
+include ../lib.mk
+
+SRC = sync_test.o sync.o
+
+TESTS += sync_alloc.o
+
+sync_test: $(SRC) $(TESTS)
+
+.PHONY: clean
+
+clean:
+	$(RM) sync_test $(SRC) $(TESTS)
diff --git a/tools/testing/selftests/sync/sw_sync.h b/tools/testing/selftests/sync/sw_sync.h
new file mode 100644
index 0000000..105961a
--- /dev/null
+++ b/tools/testing/selftests/sync/sw_sync.h
@@ -0,0 +1,46 @@
+/*
+ *  sw_sync abstraction
+ *
+ *  Copyright 2015-2016 Collabora Ltd.
+ *
+ *  Based on the implementation from the Android Open Source Project,
+ *
+ *  Copyright 2013 Google, Inc
+ *
+ *  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 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.
+ */
+
+#ifndef _SELFTESTS_SW_SYNC_H
+#define _SELFTESTS_SW_SYNC_H
+
+/*
+ * sw_sync is mainly intended for testing and should not be compiled into
+ * production kernels
+ */
+
+int sw_sync_timeline_create(void);
+int sw_sync_timeline_is_valid(int fd);
+int sw_sync_timeline_inc(int fd, unsigned count);
+void sw_sync_timeline_destroy(int fd);
+
+int sw_sync_fence_create(int fd, const char *name, unsigned value);
+int sw_sync_fence_is_valid(int fd);
+void sw_sync_fence_destroy(int fd);
+
+#endif
diff --git a/tools/testing/selftests/sync/sync.c b/tools/testing/selftests/sync/sync.c
new file mode 100644
index 0000000..99570ab
--- /dev/null
+++ b/tools/testing/selftests/sync/sync.c
@@ -0,0 +1,203 @@
+/*
+ *  sync / sw_sync abstraction
+ *  Copyright 2015-2016 Collabora Ltd.
+ *
+ *  Based on the implementation from the Android Open Source Project,
+ *
+ *  Copyright 2012 Google, Inc
+ *
+ *  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 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.
+ */
+
+#include <fcntl.h>
+#include <malloc.h>
+#include <string.h>
+#include <unistd.h>
+#include <poll.h>
+
+#include <uapi/sync.h>
+#include <uapi/sw_sync.h>
+
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "sync.h"
+#include "sw_sync.h"
+#include "synctest.h"
+
+int sync_wait(int fd, int timeout)
+{
+	struct pollfd fds;
+
+	fds.fd = fd;
+	fds.events = POLLIN | POLLERR;
+	return poll(&fds, 1, timeout);
+}
+
+int sync_merge(const char *name, int fd1, int fd2)
+{
+	struct sync_merge_data data = {};
+	int err;
+
+	data.fd2 = fd2;
+	strncpy(data.name, name, sizeof(data.name) - 1);
+	data.name[sizeof(data.name) - 1] = '\0';
+
+	err = ioctl(fd1, SYNC_IOC_MERGE, &data);
+	if (err < 0)
+		return err;
+
+	return data.fence;
+}
+
+static struct sync_file_info *sync_file_info(int fd)
+{
+	struct sync_file_info *info;
+	int err, num_fences;
+
+	info = malloc(sizeof(*info));
+	if (info == NULL)
+		return NULL;
+
+	memset(info, 0, sizeof(*info));
+	err = ioctl(fd, SYNC_IOC_FILE_INFO, info);
+	if (err < 0) {
+		free(info);
+		return NULL;
+	}
+
+	num_fences = info->num_fences;
+
+	if (num_fences) {
+		info->flags = 0;
+		info->num_fences = num_fences;
+		info->sync_fence_info = (uint64_t) calloc(num_fences,
+					sizeof(struct sync_fence_info));
+		if ((void *)info->sync_fence_info == NULL)
+			return NULL;
+
+		err = ioctl(fd, SYNC_IOC_FILE_INFO, info);
+		if (err < 0) {
+			free((void *)info->sync_fence_info);
+			free(info);
+			return NULL;
+		}
+	}
+
+	return info;
+}
+
+static void sync_file_info_free(struct sync_file_info *info)
+{
+	free((void *)info->sync_fence_info);
+	free(info);
+}
+
+int sync_fence_size(int fd)
+{
+	int count;
+	struct sync_file_info *info = sync_file_info(fd);
+
+	if (!info)
+		return 0;
+
+	count = info->num_fences;
+
+	sync_file_info_free(info);
+
+	return count;
+}
+
+
+int sync_fence_count_with_status(int fd, int status)
+{
+	int i, count = 0;
+	struct sync_fence_info *fenceInfo = NULL;
+	struct sync_file_info *info = sync_file_info(fd);
+
+	if (!info)
+		return -1;
+
+	fenceInfo = (struct sync_fence_info *)info->sync_fence_info;
+	for (i = 0 ; i < info->num_fences ; i++) {
+		if (fenceInfo[i].status == status)
+			count++;
+	}
+
+	sync_file_info_free(info);
+
+	return count;
+}
+
+int sw_sync_timeline_create(void)
+{
+	return open("/sys/kernel/debug/sync/sw_sync", O_RDWR);
+}
+
+int sw_sync_timeline_inc(int fd, unsigned count)
+{
+	__u32 arg = count;
+
+	return ioctl(fd, SW_SYNC_IOC_INC, &arg);
+}
+
+int sw_sync_timeline_is_valid(int fd)
+{
+	int status;
+
+	if (fd == -1)
+		return 0;
+
+	status = fcntl(fd, F_GETFD, 0);
+	return (status >= 0);
+}
+
+void sw_sync_timeline_destroy(int fd)
+{
+	if (fd != -1)
+		close(fd);
+}
+
+int sw_sync_fence_create(int fd, const char *name, unsigned value)
+{
+	struct sw_sync_create_fence_data data = {};
+	int err;
+
+	data.value = value;
+	strncpy(data.name, name, sizeof(data.name) - 1);
+	data.name[sizeof(data.name) - 1] = '\0';
+
+	err = ioctl(fd, SW_SYNC_IOC_CREATE_FENCE, &data);
+	if (err < 0)
+		return err;
+
+	return data.fence;
+}
+
+int sw_sync_fence_is_valid(int fd)
+{
+	/* Same code! */
+	return sw_sync_timeline_is_valid(fd);
+}
+
+void sw_sync_fence_destroy(int fd)
+{
+	if (sw_sync_fence_is_valid(fd))
+		close(fd);
+}
diff --git a/tools/testing/selftests/sync/sync.h b/tools/testing/selftests/sync/sync.h
new file mode 100644
index 0000000..9370fa3
--- /dev/null
+++ b/tools/testing/selftests/sync/sync.h
@@ -0,0 +1,119 @@
+/*
+ *  sync abstraction
+ *  Copyright 2015-2016 Collabora Ltd.
+ *
+ *  Based on the implementation from the Android Open Source Project,
+ *
+ *  Copyright 2012 Google, Inc
+ *
+ *  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 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.
+ */
+
+#ifndef _SELFTESTS_SYNC_H
+#define _SELFTESTS_SYNC_H
+
+#include <stdint.h>
+#include <sys/ioctl.h>
+
+#define FENCE_STATUS_ERROR	(-1)
+#define FENCE_STATUS_ACTIVE	(0)
+#define FENCE_STATUS_SIGNALED	(1)
+
+struct sync_merge_data {
+	char	name[32];
+	int32_t	fd2;
+	int32_t	fence;
+	uint32_t	flags;
+	uint32_t	pad;
+};
+
+/**
+ * struct sync_fence_info - detailed fence information
+ * @obj_name:		name of parent sync_timeline
+ * @driver_name:	name of driver implementing the parent
+ * @status:		status of the fence 0:active 1:signaled <0:error
+ * @flags:		fence_info flags
+ * @timestamp_ns:	timestamp of status change in nanoseconds
+ */
+struct sync_fence_info {
+	char	obj_name[32];
+	char	driver_name[32];
+	int32_t	status;
+	uint32_t	flags;
+	uint64_t	timestamp_ns;
+};
+
+/**
+ * struct sync_file_info - data returned from fence info ioctl
+ * @name:	name of fence
+ * @status:	status of fence. 1: signaled 0:active <0:error
+ * @flags:	sync_file_info flags
+ * @num_fences	number of fences in the sync_file
+ * @pad:	padding for 64-bit alignment, should always be zero
+ * @sync_fence_info: pointer to array of structs sync_fence_info with all
+ *		 fences in the sync_file
+ */
+struct sync_file_info {
+	char	name[32];
+	int32_t	status;
+	uint32_t	flags;
+	uint32_t	num_fences;
+	uint32_t	pad;
+
+	uint64_t	sync_fence_info;
+};
+
+#define SYNC_IOC_MAGIC		'>'
+
+/**
+ * Opcodes  0, 1 and 2 were burned during a API change to avoid users of the
+ * old API to get weird errors when trying to handling sync_files. The API
+ * change happened during the de-stage of the Sync Framework when there was
+ * no upstream users available.
+ */
+
+/**
+ * DOC: SYNC_IOC_MERGE - merge two fences
+ *
+ * Takes a struct sync_merge_data.  Creates a new fence containing copies of
+ * the sync_pts in both the calling fd and sync_merge_data.fd2.  Returns the
+ * new fence's fd in sync_merge_data.fence
+ */
+#define SYNC_IOC_MERGE		_IOWR(SYNC_IOC_MAGIC, 3, struct sync_merge_data)
+
+/**
+ * DOC: SYNC_IOC_FENCE_INFO - get detailed information on a fence
+ *
+ * Takes a struct sync_file_info_data with extra space allocated for pt_info.
+ * Caller should write the size of the buffer into len.  On return, len is
+ * updated to reflect the total size of the sync_file_info_data including
+ * pt_info.
+ *
+ * pt_info is a buffer containing sync_pt_infos for every sync_pt in the fence.
+ * To iterate over the sync_pt_infos, use the sync_pt_info.len field.
+ */
+#define SYNC_IOC_FILE_INFO	_IOWR(SYNC_IOC_MAGIC, 4, struct sync_file_info)
+
+
+int sync_wait(int fd, int timeout);
+int sync_merge(const char *name, int fd1, int fd2);
+int sync_fence_size(int fd);
+int sync_fence_count_with_status(int fd, int status);
+
+#endif
diff --git a/tools/testing/selftests/sync/sync_alloc.c b/tools/testing/selftests/sync/sync_alloc.c
new file mode 100644
index 0000000..66a28af
--- /dev/null
+++ b/tools/testing/selftests/sync/sync_alloc.c
@@ -0,0 +1,74 @@
+/*
+ *  sync allocation tests
+ *  Copyright 2015-2016 Collabora Ltd.
+ *
+ *  Based on the implementation from the Android Open Source Project,
+ *
+ *  Copyright 2012 Google, Inc
+ *
+ *  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 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.
+ */
+
+#include "sync.h"
+#include "sw_sync.h"
+#include "synctest.h"
+
+int test_alloc_timeline(void)
+{
+	int timeline, valid;
+
+	timeline = sw_sync_timeline_create();
+	valid = sw_sync_timeline_is_valid(timeline);
+	ASSERT(valid, "Failure allocating timeline\n");
+
+	sw_sync_timeline_destroy(timeline);
+	return 0;
+}
+
+int test_alloc_fence(void)
+{
+	int timeline, fence, valid;
+
+	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", 1);
+	valid = sw_sync_fence_is_valid(fence);
+	ASSERT(valid, "Failure allocating fence\n");
+
+	sw_sync_fence_destroy(fence);
+	sw_sync_timeline_destroy(timeline);
+	return 0;
+}
+
+int test_alloc_fence_negative(void)
+{
+	int fence, timeline;
+
+	timeline = sw_sync_timeline_create();
+	ASSERT(timeline > 0, "Failure allocating timeline\n");
+
+	fence = sw_sync_fence_create(-1, "fence", 1);
+	ASSERT(fence < 0, "Success allocating negative fence\n");
+
+	sw_sync_fence_destroy(fence);
+	sw_sync_timeline_destroy(timeline);
+	return 0;
+}
diff --git a/tools/testing/selftests/sync/sync_test.c b/tools/testing/selftests/sync/sync_test.c
new file mode 100644
index 0000000..51efa71
--- /dev/null
+++ b/tools/testing/selftests/sync/sync_test.c
@@ -0,0 +1,71 @@
+/*
+ *  sync test runner
+ *  Copyright 2015-2016 Collabora Ltd.
+ *
+ *  Based on the implementation from the Android Open Source Project,
+ *
+ *  Copyright 2012 Google, Inc
+ *
+ *  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 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.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "synctest.h"
+
+static int run_test(int (*test)(void), char *name)
+{
+	int result;
+	pid_t childpid;
+
+	fflush(stdout);
+	childpid = fork();
+
+	if (childpid) {
+		waitpid(childpid, &result, 0);
+		if (WIFEXITED(result))
+			return WEXITSTATUS(result);
+		return 1;
+	} else {
+		printf("[RUN]\tExecuting %s\n", name);
+		exit(test());
+	}
+}
+
+int main(void)
+{
+	int err = 0;
+
+	printf("[RUN]\tTesting sync framework\n");
+
+	err += RUN_TEST(test_alloc_timeline);
+	err += RUN_TEST(test_alloc_fence);
+	err += RUN_TEST(test_alloc_fence_negative);
+
+	if (err)
+		printf("[FAIL]\tsync errors: %d\n", err);
+	else
+		printf("[OK]\tsync\n");
+
+	return !!err;
+}
diff --git a/tools/testing/selftests/sync/synctest.h b/tools/testing/selftests/sync/synctest.h
new file mode 100644
index 0000000..edc5a8a
--- /dev/null
+++ b/tools/testing/selftests/sync/synctest.h
@@ -0,0 +1,47 @@
+/*
+ *  sync tests
+ *  Copyright 2015-2016 Collabora Ltd.
+ *
+ *  Based on the implementation from the Android Open Source Project,
+ *
+ *  Copyright 2012 Google, Inc
+ *
+ *  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 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.
+ */
+
+#ifndef _SELFTESTS_SYNCTEST_H
+#define _SELFTESTS_SYNCTEST_H
+
+#include <stdio.h>
+
+#define ASSERT(cond, msg) do { \
+	if (!(cond)) { \
+		printf("[BAD]\t%s", (msg)); \
+		return 1; \
+	} \
+} while (0)
+
+#define RUN_TEST(x) run_test((x), #x)
+
+/* Allocation tests */
+int test_alloc_timeline(void);
+int test_alloc_fence(void);
+int test_alloc_fence_negative(void);
+
+#endif
-- 
2.5.0

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