Only spawn one binder thread for screencap.
To work around race conditions in libbinder when
spawning new threads while being shut down.
Bug: 36066697
Test: screencap still works
Change-Id: I774d3dc2491bb578a12dede90cc7fcded976f13f
diff --git a/cmds/screencap/screencap.cpp b/cmds/screencap/screencap.cpp
index 000420f..5fedc9e 100644
--- a/cmds/screencap/screencap.cpp
+++ b/cmds/screencap/screencap.cpp
@@ -84,6 +84,11 @@
int main(int argc, char** argv)
{
+ // setThreadPoolMaxThreadCount(0) actually tells the kernel it's
+ // not allowed to spawn any additional threads, but we still spawn
+ // a binder thread from userspace when we call startThreadPool().
+ // See b/36066697 for rationale
+ ProcessState::self()->setThreadPoolMaxThreadCount(0);
ProcessState::self()->startThreadPool();
const char* pname = argv[0];