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Always detach all child threads before leaving

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topjohnwu
2019-03-12 16:48:01 -04:00
parent a4a661bf34
commit dce0b6c05a
3 changed files with 44 additions and 39 deletions
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16
native/jni/magiskhide/hide_utils.cpp
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@ -56,10 +56,14 @@ static void hide_sensitive_props() {
// Leave /proc fd opened as we're going to read from it repeatedly
static DIR *procfp;
void crawl_procfs(const function<bool (int)> &fn) {
rewinddir(procfp);
crawl_procfs(procfp, fn);
}
void crawl_procfs(DIR *dir, const function<bool (int)> &fn) {
struct dirent *dp;
int pid;
rewinddir(procfp);
while ((dp = readdir(procfp))) {
while ((dp = readdir(dir))) {
pid = parse_int(dp->d_name);
if (pid > 0 && !fn(pid))
break;
@ -277,12 +281,8 @@ void launch_magiskhide(int client) {
set_hide_config();
LOGI("* Starting MagiskHide\n");
if (procfp == nullptr) {
int fd = xopen("/proc", O_RDONLY | O_CLOEXEC);
if (fd < 0)
LAUNCH_ERR;
procfp = fdopendir(fd);
}
if (procfp == nullptr && (procfp = opendir("/proc")) == nullptr)
LAUNCH_ERR;
hide_sensitive_props();