TheArchive/Magisk
1
0
Fork 0
mirror of https://github.com/topjohnwu/Magisk.git synced 2025-10-16 12:49:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

Test logcat instead of checking logd

Browse Source
This commit is contained in:
topjohnwu
2018-04-08 02:12:40 +08:00
parent 7d7686da33
commit 42284c5efb
4 changed files with 24 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
native/jni/core/log_monitor.c
View File

@@ -15,7 +15,7 @@
#include "resetprop.h"
extern int is_daemon_init;
int logd = 0;
int loggable = 1;
static int am_proc_start_filter(const char *log) {
return strstr(log, "am_proc_start") != NULL;
@@ -49,15 +49,16 @@ struct log_listener log_events[] = {
static int debug_log_pid = -1, debug_log_fd = -1;
#endif
static void check_logd() {
char *prop = getprop("init.svc.logd");
if (prop != NULL) {
free(prop);
logd = 1;
} else {
LOGD("log_monitor: logd not started, disable logging");
logd = 0;
static void test_logcat() {
int log_fd = -1, log_pid;
char buf[1];
log_pid = exec_command(0, &log_fd, NULL, "logcat", NULL);
if (read(log_fd, buf, sizeof(buf)) != sizeof(buf)) {
loggable = 0;
LOGD("log_monitor: cannot read from logcat, disable logging");
}
kill(log_pid, SIGTERM);
waitpid(log_pid, NULL, 0);
}
static void *logger_thread(void *args) {
@@ -67,7 +68,7 @@ static void *logger_thread(void *args) {
LOGD("log_monitor: logger start");
while (1) {
if (!logd) {
if (!loggable) {
// Disable all services
for (int i = 0; i < (sizeof(log_events) / sizeof(struct log_listener)); ++i) {
close(log_events[i].fd);
@@ -98,7 +99,7 @@ static void *logger_thread(void *args) {
// Clear buffer before restart
exec_command_sync("logcat", "-b", "events", "-b", "main", "-c", NULL);
check_logd();
test_logcat();
}
// Should never be here, but well...
@@ -163,9 +164,9 @@ static void *debug_magisk_log_thread(void *args) {
void monitor_logs() {
pthread_t thread;
check_logd();
test_logcat();
if (logd) {
if (loggable) {
// Start log file dumper before monitor
xpthread_create(&thread, NULL, magisk_log_thread, NULL);
pthread_detach(thread);
@@ -178,7 +179,7 @@ void monitor_logs() {
void start_debug_full_log() {
#ifdef MAGISK_DEBUG
if (logd) {
if (loggable) {
// Log everything initially
debug_log_fd = xopen(DEBUG_LOG, O_WRONLY | O_CREAT | O_CLOEXEC | O_TRUNC, 0644);
debug_log_pid = exec_command(0, &debug_log_fd, NULL, "logcat", "-v", "threadtime", NULL);
@@ -201,7 +202,7 @@ void stop_debug_full_log() {
void start_debug_log() {
#ifdef MAGISK_DEBUG
if (logd) {
if (loggable) {
pthread_t thread;
// Start debug thread
xpthread_create(&thread, NULL, debug_magisk_log_thread, NULL);