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-rw-r--r--include/llvm/Support/CrashRecoveryContext.h4
-rw-r--r--lib/Support/CrashRecoveryContext.cpp9
2 files changed, 13 insertions, 0 deletions
diff --git a/include/llvm/Support/CrashRecoveryContext.h b/include/llvm/Support/CrashRecoveryContext.h
index 6e975fe3a1..28b31f3a78 100644
--- a/include/llvm/Support/CrashRecoveryContext.h
+++ b/include/llvm/Support/CrashRecoveryContext.h
@@ -63,6 +63,10 @@ public:
/// thread which is in a protected context.
static CrashRecoveryContext *GetCurrent();
+ /// \brief Return true if the current thread is recovering from a
+ /// crash.
+ static bool isRecoveringFromCrash();
+
/// \brief Execute the provide callback function (with the given arguments) in
/// a protected context.
///
diff --git a/lib/Support/CrashRecoveryContext.cpp b/lib/Support/CrashRecoveryContext.cpp
index e558662611..899c3890d7 100644
--- a/lib/Support/CrashRecoveryContext.cpp
+++ b/lib/Support/CrashRecoveryContext.cpp
@@ -57,11 +57,15 @@ public:
static sys::Mutex gCrashRecoveryContexMutex;
static bool gCrashRecoveryEnabled = false;
+static sys::ThreadLocal<const CrashRecoveryContextCleanup>
+ tlIsRecoveringFromCrash;
+
CrashRecoveryContextCleanup::~CrashRecoveryContextCleanup() {}
CrashRecoveryContext::~CrashRecoveryContext() {
// Reclaim registered resources.
CrashRecoveryContextCleanup *i = head;
+ tlIsRecoveringFromCrash.set(head);
while (i) {
CrashRecoveryContextCleanup *tmp = i;
i = tmp->next;
@@ -69,11 +73,16 @@ CrashRecoveryContext::~CrashRecoveryContext() {
tmp->recoverResources();
delete tmp;
}
+ tlIsRecoveringFromCrash.erase();
CrashRecoveryContextImpl *CRCI = (CrashRecoveryContextImpl *) Impl;
delete CRCI;
}
+bool CrashRecoveryContext::isRecoveringFromCrash() {
+ return tlIsRecoveringFromCrash.get() != 0;
+}
+
CrashRecoveryContext *CrashRecoveryContext::GetCurrent() {
if (!gCrashRecoveryEnabled)
return 0;