diff options
| -rw-r--r-- | services/core/jni/com_android_server_AlarmManagerService.cpp | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/services/core/jni/com_android_server_AlarmManagerService.cpp b/services/core/jni/com_android_server_AlarmManagerService.cpp index 36105bd12b1d..3a0273d8c3c8 100644 --- a/services/core/jni/com_android_server_AlarmManagerService.cpp +++ b/services/core/jni/com_android_server_AlarmManagerService.cpp @@ -298,6 +298,32 @@ static int wall_clock_rtc() return -1; } +static void log_timerfd_create_error(clockid_t id) +{ + if (errno == EINVAL) { + switch (id) { + case CLOCK_REALTIME_ALARM: + case CLOCK_BOOTTIME_ALARM: + ALOGE("kernel missing required commits:"); + ALOGE("https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cffe00f7d4e24679eae6b7aae4caaf915288256"); + ALOGE("https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11ffa9d6065f344a9bd769a2452f26f2f671e5f8"); + LOG_ALWAYS_FATAL("kernel does not support timerfd_create() with alarm timers"); + break; + + case CLOCK_BOOTTIME: + ALOGE("kernel missing required commit:"); + ALOGE("https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a2378a943f09907fb1ae35c15de917f60289c14"); + LOG_ALWAYS_FATAL("kernel does not support timerfd_create(CLOCK_BOOTTIME)"); + break; + + default: + break; + } + } + + ALOGE("timerfd_create(%u) failed: %s", id, strerror(errno)); +} + static jlong android_server_AlarmManagerService_init(JNIEnv*, jobject) { int epollfd; @@ -313,8 +339,7 @@ static jlong android_server_AlarmManagerService_init(JNIEnv*, jobject) for (size_t i = 0; i < fds.size(); i++) { fds[i] = timerfd_create(android_alarm_to_clockid[i], 0); if (fds[i] < 0) { - ALOGE("timerfd_create(%u) failed: %s", android_alarm_to_clockid[i], - strerror(errno)); + log_timerfd_create_error(android_alarm_to_clockid[i]); close(epollfd); for (size_t j = 0; j < i; j++) { close(fds[j]); |