aboutsummaryrefslogtreecommitdiffstats
path: root/main/wayland/tests-fix-memory-leak.patch
blob: 5b0018d49ec1c8a586a70ad5efc4c049c75b80c7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
diff --git a/tests/sanity-test.c b/tests/sanity-test.c
index 2495a1159787de6accdebd624d85ff0c3a5202d0..98beca8da59b1ca3cbfbf0db0466a81c649505b3 100644
--- a/tests/sanity-test.c
+++ b/tests/sanity-test.c
@@ -35,7 +35,7 @@
 
 #include "test-compositor.h"
 
-extern int leak_check_enabled;
+extern int fd_leak_check_enabled;
 
 TEST(empty)
 {
@@ -83,71 +83,11 @@ FAIL_TEST(sanity_assert)
 	assert(0);
 }
 
-FAIL_TEST(sanity_malloc_direct)
-{
-	void *p;
-
-	assert(leak_check_enabled);
-
-	p = malloc(10);	/* memory leak */
-	assert(p);	/* assert that we got memory, also prevents
-			 * the malloc from getting optimized away. */
-	free(NULL);	/* NULL must not be counted */
-	test_disable_coredumps();
-}
-
-TEST(disable_leak_checks)
-{
-	volatile void *mem;
-	assert(leak_check_enabled);
-	/* normally this should be on the beginning of the test.
-	 * Here we need to be sure, that the leak checks are
-	 * turned on */
-	DISABLE_LEAK_CHECKS;
-
-	mem = malloc(16);
-	assert(mem);
-}
-
-FAIL_TEST(sanity_malloc_indirect)
-{
-	struct wl_array array;
-
-	assert(leak_check_enabled);
-
-	wl_array_init(&array);
-
-	/* call into library that calls malloc */
-	wl_array_add(&array, 14);
-
-	/* not freeing array, must leak */
-
-	test_disable_coredumps();
-}
-
-FAIL_TEST(tc_client_memory_leaks)
-{
-	struct display *d = display_create();
-	client_create_noarg(d, sanity_malloc_direct);
-	display_run(d);
-	test_disable_coredumps();
-	display_destroy(d);
-}
-
-FAIL_TEST(tc_client_memory_leaks2)
-{
-	struct display *d = display_create();
-	client_create_noarg(d, sanity_malloc_indirect);
-	display_run(d);
-	test_disable_coredumps();
-	display_destroy(d);
-}
-
 FAIL_TEST(sanity_fd_leak)
 {
 	int fd[2];
 
-	assert(leak_check_enabled);
+	assert(fd_leak_check_enabled);
 
 	/* leak 2 file descriptors */
 	if (pipe(fd) < 0)
@@ -185,7 +125,7 @@ sanity_fd_no_leak(void)
 {
 	int fd[2];
 
-	assert(leak_check_enabled);
+	assert(fd_leak_check_enabled);
 
 	/* leak 2 file descriptors */
 	if (pipe(fd) < 0)
diff --git a/tests/test-compositor.c b/tests/test-compositor.c
index 0631f6149c5cba90de15311d3a90122b06102fbc..72f63515ad70b8d5cf8c69e18d839a7cfdcfd69f 100644
--- a/tests/test-compositor.c
+++ b/tests/test-compositor.c
@@ -156,7 +156,7 @@ run_client(void (*client_main)(void *data), void *data,
 	   int wayland_sock, int client_pipe)
 {
 	char s[8];
-	int cur_alloc, cur_fds;
+	int cur_fds;
 	int can_continue = 0;
 
 	/* Wait until display signals that client can continue */
@@ -169,7 +169,6 @@ run_client(void (*client_main)(void *data), void *data,
 	snprintf(s, sizeof s, "%d", wayland_sock);
 	setenv("WAYLAND_SOCKET", s, 0);
 
-	cur_alloc = get_current_alloc_num();
 	cur_fds = count_open_fds();
 
 	client_main(data);
@@ -182,7 +181,7 @@ run_client(void (*client_main)(void *data), void *data,
 	if (!getenv("WAYLAND_SOCKET"))
 		cur_fds--;
 
-	check_leaks(cur_alloc, cur_fds);
+	check_fd_leaks(cur_fds);
 }
 
 static struct client_info *
diff --git a/tests/test-runner.c b/tests/test-runner.c
index 82a0a7b8c8ea24d1ad8aebe80030b6ca9e9d169d..1487dc48f720dbb4faab844588b5b01bdac806b2 100644
--- a/tests/test-runner.c
+++ b/tests/test-runner.c
@@ -44,16 +44,10 @@
 
 #include "test-runner.h"
 
-static int num_alloc;
-static void* (*sys_malloc)(size_t);
-static void (*sys_free)(void*);
-static void* (*sys_realloc)(void*, size_t);
-static void* (*sys_calloc)(size_t, size_t);
-
-/* when set to 1, check if tests are not leaking memory and opened files.
+/* when set to 1, check if tests are not leaking opened files.
  * It is turned on by default. It can be turned off by
  * WAYLAND_TEST_NO_LEAK_CHECK environment variable. */
-int leak_check_enabled;
+int fd_leak_check_enabled;
 
 /* when this var is set to 0, every call to test_set_timeout() is
  * suppressed - handy when debugging the test. Can be set by
@@ -65,40 +59,6 @@ static int is_atty = 0;
 
 extern const struct test __start_test_section, __stop_test_section;
 
-__attribute__ ((visibility("default"))) void *
-malloc(size_t size)
-{
-	num_alloc++;
-	return sys_malloc(size);
-}
-
-__attribute__ ((visibility("default"))) void
-free(void* mem)
-{
-	if (mem != NULL)
-		num_alloc--;
-	sys_free(mem);
-}
-
-__attribute__ ((visibility("default"))) void *
-realloc(void* mem, size_t size)
-{
-	if (mem == NULL)
-		num_alloc++;
-	return sys_realloc(mem, size);
-}
-
-__attribute__ ((visibility("default"))) void *
-calloc(size_t nmemb, size_t size)
-{
-	if (sys_calloc == NULL)
-		return NULL;
-
-	num_alloc++;
-
-	return sys_calloc(nmemb, size);
-}
-
 static const struct test *
 find_test(const char *name)
 {
@@ -156,25 +116,12 @@ sigalrm_handler(int signum)
 	abort();
 }
 
-int
-get_current_alloc_num(void)
-{
-	return num_alloc;
-}
-
 void
-check_leaks(int supposed_alloc, int supposed_fds)
+check_fd_leaks(int supposed_fds)
 {
 	int num_fds;
 
-	if (leak_check_enabled) {
-		if (supposed_alloc != num_alloc) {
-			fprintf(stderr, "Memory leak detected in test. "
-				"Allocated %d blocks, unfreed %d\n", num_alloc,
-				num_alloc - supposed_alloc);
-			abort();
-		}
-
+	if (fd_leak_check_enabled) {
 		num_fds = count_open_fds();
 		if (supposed_fds != num_fds) {
 			fprintf(stderr, "fd leak detected in test. "
@@ -183,14 +130,14 @@ check_leaks(int supposed_alloc, int supposed_fds)
 			abort();
 		}
 	} else {
-		fprintf(stderr, "Leak checks disabled\n");
+		fprintf(stderr, "FD leak checks disabled\n");
 	}
 }
 
 static void
 run_test(const struct test *t)
 {
-	int cur_alloc, cur_fds;
+	int cur_fds;
 	struct sigaction sa;
 
 	if (timeouts_enabled) {
@@ -200,7 +147,7 @@ run_test(const struct test *t)
 		assert(sigaction(SIGALRM, &sa, NULL) == 0);
 	}
 
-	cur_alloc = get_current_alloc_num();
+	//cur_alloc = get_current_alloc_num();
 	cur_fds = count_open_fds();
 
 	t->run();
@@ -209,7 +156,7 @@ run_test(const struct test *t)
 	if (timeouts_enabled)
 		alarm(0);
 
-	check_leaks(cur_alloc, cur_fds);
+	check_fd_leaks(cur_fds);
 
 	exit(EXIT_SUCCESS);
 }
@@ -348,20 +295,14 @@ int main(int argc, char *argv[])
 	int total, pass;
 	siginfo_t info;
 
-	/* Load system malloc, free, and realloc */
-	sys_calloc = dlsym(RTLD_NEXT, "calloc");
-	sys_realloc = dlsym(RTLD_NEXT, "realloc");
-	sys_malloc = dlsym(RTLD_NEXT, "malloc");
-	sys_free = dlsym(RTLD_NEXT, "free");
-
 	if (isatty(fileno(stderr)))
 		is_atty = 1;
 
 	if (is_debugger_attached()) {
-		leak_check_enabled = 0;
+		fd_leak_check_enabled = 0;
 		timeouts_enabled = 0;
 	} else {
-		leak_check_enabled = !getenv("WAYLAND_TEST_NO_LEAK_CHECK");
+		fd_leak_check_enabled = !getenv("WAYLAND_TEST_NO_LEAK_CHECK");
 		timeouts_enabled = !getenv("WAYLAND_TEST_NO_TIMEOUTS");
 	}
 
diff --git a/tests/test-runner.h b/tests/test-runner.h
index 9c47a2b06eed8126be364ef2bf23c86bfa089c49..d0734009601e8d7462e8b837996bda01a299ef6e 100644
--- a/tests/test-runner.h
+++ b/tests/test-runner.h
@@ -63,11 +63,8 @@ count_open_fds(void);
 void
 exec_fd_leak_check(int nr_expected_fds); /* never returns */
 
-int
-get_current_alloc_num(void);
-
 void
-check_leaks(int supposed_allocs, int supposed_fds);
+check_fd_leaks(int supposed_fds);
 
 /*
  * set/reset the timeout in seconds. The timeout starts
@@ -89,10 +86,10 @@ test_sleep(unsigned int);
 void
 test_disable_coredumps(void);
 
-#define DISABLE_LEAK_CHECKS			\
-	do {					\
-		extern int leak_check_enabled;	\
-		leak_check_enabled = 0;		\
+#define DISABLE_LEAK_CHECKS				\
+	do {						\
+		extern int fd_leak_check_enabled;	\
+		fd_leak_check_enabled = 0;		\
 	} while (0);
 
 #endif