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Separate setting log functions and starting log daemon

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topjohnwu 2021-03-13 16:34:41 -08:00 committed by John Wu
parent b9cdc755d1
commit 82f8948fd4
1 changed files with 11 additions and 7 deletions
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18
native/jni/core/daemon.cpp
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@ -146,8 +146,6 @@ shortcut:
close(client);
}
static void magisk_logging();
static int switch_cgroup(const char *cgroup, int pid) {
char buf[32];
snprintf(buf, sizeof(buf), "%s/cgroup.procs", cgroup);
@ -163,7 +161,12 @@ static int switch_cgroup(const char *cgroup, int pid) {
return 0;
}
static void magisk_logging();
static void start_log_daemon();
[[noreturn]] static void daemon_entry() {
magisk_logging();
// Block all signals
sigset_t block_set;
sigfillset(&block_set);
@ -182,11 +185,11 @@ static int switch_cgroup(const char *cgroup, int pid) {
if (fd > STDERR_FILENO)
close(fd);
magisk_logging();
setsid();
setcon("u:r:" SEPOL_PROC_DOMAIN ":s0");
start_log_daemon();
LOGI(NAME_WITH_VER(Magisk) " daemon started\n");
// Escape from cgroup
@ -261,7 +264,6 @@ int connect_daemon(bool create) {
exit(1);
}
LOGD("client: launching new main daemon process\n");
if (fork_dont_care() == 0) {
close(fd);
daemon_entry();
@ -415,14 +417,16 @@ static int magisk_log(int prio, const char *fmt, va_list ap) {
return len - 1;
}
#define mlog(prio) [](auto fmt, auto ap){ return magisk_log(ANDROID_LOG_##prio, fmt, ap); }
static void magisk_logging() {
static void start_log_daemon() {
int fds[2];
if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, fds) == 0) {
log_sockfd = fds[0];
new_daemon_thread([=] { logfile_writer(fds[1]); });
}
}
#define mlog(prio) [](auto fmt, auto ap){ return magisk_log(ANDROID_LOG_##prio, fmt, ap); }
static void magisk_logging() {
log_cb.d = mlog(DEBUG);
log_cb.i = mlog(INFO);
log_cb.w = mlog(WARN);