CrashRecovery: Add CrashRecoveryContext::GetCurrent(), so clients can find the active context from anywhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111308 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/CrashRecoveryContext.cpp b/lib/Support/CrashRecoveryContext.cpp
index d1ecbb7..296cc3e 100644
--- a/lib/Support/CrashRecoveryContext.cpp
+++ b/lib/Support/CrashRecoveryContext.cpp
@@ -23,12 +23,14 @@
static sys::ThreadLocal<const CrashRecoveryContextImpl> CurrentContext;
struct CrashRecoveryContextImpl {
+ CrashRecoveryContext *CRC;
std::string Backtrace;
::jmp_buf JumpBuffer;
volatile unsigned Failed : 1;
public:
- CrashRecoveryContextImpl() : Failed(false) {
+ CrashRecoveryContextImpl(CrashRecoveryContext *CRC) : CRC(CRC),
+ Failed(false) {
CurrentContext.set(this);
}
~CrashRecoveryContextImpl() {
@@ -56,6 +58,14 @@
delete CRCI;
}
+CrashRecoveryContext *CrashRecoveryContext::GetCurrent() {
+ const CrashRecoveryContextImpl *CRCI = CurrentContext.get();
+ if (!CRCI)
+ return 0;
+
+ return CRCI->CRC;
+}
+
#ifdef LLVM_ON_WIN32
// FIXME: No real Win32 implementation currently.
@@ -164,7 +174,7 @@
// If crash recovery is disabled, do nothing.
if (gCrashRecoveryEnabled) {
assert(!Impl && "Crash recovery context already initialized!");
- CrashRecoveryContextImpl *CRCI = new CrashRecoveryContextImpl;
+ CrashRecoveryContextImpl *CRCI = new CrashRecoveryContextImpl(this);
Impl = CRCI;
if (setjmp(CRCI->JumpBuffer) != 0) {