diff options
| author | dim <dim@FreeBSD.org> | 2011-05-02 19:34:44 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-05-02 19:34:44 +0000 |
| commit | 2b066988909948dc3d53d01760bc2d71d32f3feb (patch) | |
| tree | fc5f365fb9035b2d0c622bbf06c9bbe8627d7279 /lib/Support/CrashRecoveryContext.cpp | |
| parent | c80ac9d286b8fcc6d1ee5d76048134cf80aa9edc (diff) | |
| download | FreeBSD-src-2b066988909948dc3d53d01760bc2d71d32f3feb.zip FreeBSD-src-2b066988909948dc3d53d01760bc2d71d32f3feb.tar.gz | |
Vendor import of llvm trunk r130700:
http://llvm.org/svn/llvm-project/llvm/trunk@130700
Diffstat (limited to 'lib/Support/CrashRecoveryContext.cpp')
| -rw-r--r-- | lib/Support/CrashRecoveryContext.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/Support/CrashRecoveryContext.cpp b/lib/Support/CrashRecoveryContext.cpp index bf8ca3f..899c389 100644 --- a/lib/Support/CrashRecoveryContext.cpp +++ b/lib/Support/CrashRecoveryContext.cpp @@ -57,12 +57,36 @@ 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; + tmp->cleanupFired = true; + 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; + const CrashRecoveryContextImpl *CRCI = CurrentContext.get(); if (!CRCI) return 0; @@ -70,6 +94,33 @@ CrashRecoveryContext *CrashRecoveryContext::GetCurrent() { return CRCI->CRC; } +void CrashRecoveryContext::registerCleanup(CrashRecoveryContextCleanup *cleanup) +{ + if (!cleanup) + return; + if (head) + head->prev = cleanup; + cleanup->next = head; + head = cleanup; +} + +void +CrashRecoveryContext::unregisterCleanup(CrashRecoveryContextCleanup *cleanup) { + if (!cleanup) + return; + if (cleanup == head) { + head = cleanup->next; + if (head) + head->prev = 0; + } + else { + cleanup->prev->next = cleanup->next; + if (cleanup->next) + cleanup->next->prev = cleanup->prev; + } + delete cleanup; +} + #ifdef LLVM_ON_WIN32 // FIXME: No real Win32 implementation currently. |
