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Reduce number of loop

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南宫雪珊 2022-05-10 15:10:26 +08:00 committed by GitHub
parent 24603b3cef
commit 358538717c
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1 changed files with 11 additions and 9 deletions
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20
app/src/main/java/com/topjohnwu/magisk/core/utils/RootUtils.kt
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@ -5,6 +5,7 @@ import android.content.ComponentName
import android.content.Intent
import android.content.ServiceConnection
import android.os.IBinder
import android.system.Os
import androidx.core.content.getSystemService
import com.topjohnwu.magisk.core.Info
import com.topjohnwu.superuser.Shell
@ -13,7 +14,6 @@ import com.topjohnwu.superuser.ipc.RootService
import com.topjohnwu.superuser.nio.FileSystemManager
import timber.log.Timber
import java.io.File
import java.io.IOException
import java.util.concurrent.locks.AbstractQueuedSynchronizer
class RootUtils(stub: Any?) : RootService() {
@ -48,6 +48,7 @@ class RootUtils(stub: Any?) : RootService() {
return try {
block()
} catch (e: Throwable) {
// The process died unexpectedly
Timber.e(e)
default
}
@ -60,16 +61,17 @@ class RootUtils(stub: Any?) : RootService() {
val proc = procList.find { it.pid == pid }
if (proc != null)
return proc
// Find PPID
try {
File("/proc/$pid/status").useLines {
val line = it.find { l -> l.startsWith("PPid:") } ?: return null
pid = line.substring(5).trim().toInt()
}
} catch (e: IOException) {
// The process died unexpectedly
// Stop find when root process
if (Os.stat("/proc/$pid").st_uid == 0) {
return null
}
// Find PPID
File("/proc/$pid/status").useLines {
val line = it.find { l -> l.startsWith("PPid:") } ?: return null
pid = line.substring(5).trim().toInt()
}
}
return null
}