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[core] Try manually start logd (#1030)

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残页 2021-08-31 23:48:23 +08:00 committed by GitHub
parent 13a8dd7685
commit 3e412e1e8c
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1 changed files with 13 additions and 0 deletions
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13
core/src/main/cpp/daemon/logcat.cpp
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@ -6,6 +6,7 @@
#include <cinttypes>
#include "logcat.h"
#include <string_view>
#include <sys/system_properties.h>
using namespace std::string_view_literals;
@ -141,9 +142,12 @@ void Logcat::ProcessBuffer(struct log_msg *buf) {
void Logcat::Run() {
constexpr size_t tail_after_crash = 10U;
constexpr size_t kMaxRestartLogdWait = 1024U;
size_t tail = 0;
RefreshFd(true);
RefreshFd(false);
size_t logd_crash_times = 0;
size_t logd_restart_wait = 8;
while (true) {
std::unique_ptr<logger_list, decltype(&android_logger_list_free)> logger_list{
android_logger_list_alloc(0, tail, 0), &android_logger_list_free};
@ -168,6 +172,15 @@ void Logcat::Run() {
if (verbose_print_count_ >= kMaxLogSize) [[unlikely]] RefreshFd(true);
if (modules_print_count_ >= kMaxLogSize) [[unlikely]] RefreshFd(false);
}
logd_crash_times++;
if (logd_crash_times >= logd_restart_wait) {
fprintf(verbose_file_.get(), "\nLogd crashed too many times, trying mannually start...\n");
fprintf(modules_file_.get(), "\nLogd crashed too many times, trying mannually start...\n");
__system_property_set("ctl.restart", "logd");
if (logd_restart_wait < kMaxRestartLogdWait) logd_restart_wait *= 2;
else logd_crash_times = 0;
}
fprintf(verbose_file_.get(), "\nLogd maybe crashed, retrying in 1s...\n");
fprintf(modules_file_.get(), "\nLogd maybe crashed, retrying in 1s...\n");
sleep(1);