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
|
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <errno.h>
#include <stdio.h>
TEST(libc, __pstore_append) {
#ifdef __ANDROID__
#ifndef NO_PSTORE
FILE* fp;
ASSERT_TRUE(NULL != (fp = fopen("/dev/pmsg0", "ae")));
static const char message[] = "libc.__pstore_append\n";
ASSERT_EQ((size_t)1, fwrite(message, sizeof(message), 1, fp));
int fflushReturn = fflush(fp);
int fflushErrno = fflushReturn ? errno : 0;
ASSERT_EQ(0, fflushReturn);
ASSERT_EQ(0, fflushErrno);
int fcloseReturn = fclose(fp);
int fcloseErrno = fcloseReturn ? errno : 0;
ASSERT_EQ(0, fcloseReturn);
ASSERT_EQ(0, fcloseErrno);
if ((fcloseErrno == ENOMEM) || (fflushErrno == ENOMEM)) {
fprintf(stderr,
"Kernel does not have space allocated to pmsg pstore driver "
"configured\n");
}
if (!fcloseReturn && !fcloseErrno && !fflushReturn && !fflushReturn) {
fprintf(stderr,
"Reboot, ensure string libc.__pstore_append is in "
"/sys/fs/pstore/pmsg-ramoops-0\n");
}
#else /* NO_PSTORE */
GTEST_LOG_(INFO) << "This test does nothing because of NO_PSTORE.\n";
#endif /* NO_PSTORE */
#else
GTEST_LOG_(INFO) << "This test does nothing.\n";
#endif
}
|
