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replacing single context thread with semaphore 

- avoids the need for a dedicated long living thread instance
This commit is contained in:
Adam Brown 2022-08-01 16:23:41 +01:00
parent 3725921400
commit 9114630bba
1 changed files with 4 additions and 6 deletions
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10
vector/src/main/java/im/vector/app/core/di/SessionInitializer.kt
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@ -16,15 +16,13 @@
package im.vector.app.core.di
import kotlinx.coroutines.DelicateCoroutinesApi
import kotlinx.coroutines.newSingleThreadContext
import kotlinx.coroutines.withContext
import kotlinx.coroutines.sync.Semaphore
import kotlinx.coroutines.sync.withPermit
import org.matrix.android.sdk.api.auth.AuthenticationService
import org.matrix.android.sdk.api.session.Session
import javax.inject.Inject
@OptIn(DelicateCoroutinesApi::class)
private val INITIALIZER_CONTEXT = newSingleThreadContext("session-initializer")
private val initializerSemaphore = Semaphore(permits = 1)
class SessionInitializer @Inject constructor(
private val authenticationService: AuthenticationService,
@ -38,7 +36,7 @@ class SessionInitializer @Inject constructor(
* @return the initialized Session or null when no authenticated sessions are available.
*/
suspend fun tryInitialize(readCurrentSession: () -> Session?, initializer: (Session) -> Unit): Session? {
return withContext(INITIALIZER_CONTEXT) {
return initializerSemaphore.withPermit {
val currentInMemorySession = readCurrentSession()
when {
currentInMemorySession != null -> currentInMemorySession