1 /*
2 * Copyright 2012, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <portability.h>
18 #include <unistd.h>
19 #include <fcntl.h>
20
21 #include <asm/unistd.h>
22 #include <asm/unistd-portable.h>
23
24 #include <fcntl_portable.h>
25 #include <timerfd_portable.h>
26
27 #include <filefd_portable.h>
28
29
30 #define PORTABLE_TAG "timerfd_portable"
31 #include <log_portable.h>
32
33 extern int syscall(int, ...);
34
35
36 /* NOTE: LTP defaults to using O_NONBLOCK even if TFD_NONBLOCK is defined */
37
38
39 /*
40 * Portable to Native event flags mapper.
41 */
tdf_flags_pton(int portable_flags)42 static inline int tdf_flags_pton(int portable_flags)
43 {
44 int native_flags = 0;
45
46 ALOGV("%s(portable_flags:0x%x) {", __func__, portable_flags);
47
48 if (portable_flags & TFD_NONBLOCK_PORTABLE) {
49 native_flags |= TFD_NONBLOCK;
50 }
51
52 if (portable_flags & TFD_CLOEXEC_PORTABLE) {
53 native_flags |= TFD_CLOEXEC;
54 }
55
56 ALOGV("%s: return(native_flags:%d); }", __func__, native_flags);
57 return native_flags;
58 }
59
60
WRAP(timerfd_create)61 int WRAP(timerfd_create)(int clockid, int portable_flags) {
62 int rv;
63 int native_flags;
64
65 ALOGV(" ");
66 ALOGV("%s(clockid:%d, portable_flags:%d) {", __func__,
67 clockid, portable_flags);
68
69 native_flags = tdf_flags_pton(portable_flags);
70
71 rv = REAL(syscall)(__NR_timerfd_create, clockid, native_flags);
72 if (rv >= 0) {
73 if (native_flags & TFD_CLOEXEC) {
74 filefd_CLOEXEC_enabled(rv);
75 }
76 filefd_opened(rv, TIMER_FD_TYPE);
77 }
78
79 ALOGV("%s: return(rv:%d); }", __func__, rv);
80 return rv;
81 }
82
83