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Commit Graph

22 Commits

Author SHA1 Message Date
Argyrios Kyrtzidis
5fc60f0cfb [Support/CrashRecoveryContext] Make sure CrashRecoveryContext does not clear the thread-local "CurrentContext"
in the "parent" thread, when we are using CrashRecoveryContext::RunSafelyOnThread.

When using CrashRecoveryContext::RunSafelyOnThread, we would set a CrashRecoveryContextImpl* to a thread-local variable
for the "child" thread, but CrashRecoveryContext would erroneously clear it in the "parent" thread.

The result was that if CrashRecoveryContext::RunSafelyOnThread was called again in the "child" thread it would mess up
crash-recovery for its parent.

A test for this will be added in the clang repository.
rdar://14204560

llvm-svn: 184380
2013-06-19 22:53:45 +00:00
Chandler Carruth
a490793037 Use the new script to sort the includes of every file under lib.
Sooooo many of these had incorrect or strange main module includes.
I have manually inspected all of these, and fixed the main module
include to be the nearest plausible thing I could find. If you own or
care about any of these source files, I encourage you to take some time
and check that these edits were sensible. I can't have broken anything
(I strictly added headers, and reordered them, never removed), but they
may not be the headers you'd really like to identify as containing the
API being implemented.

Many forward declarations and missing includes were added to a header
files to allow them to parse cleanly when included first. The main
module rule does in fact have its merits. =]

llvm-svn: 169131
2012-12-03 16:50:05 +00:00
Nuno Lopes
2abd7ffa22 move Signals to .rodata
llvm-svn: 155283
2012-04-21 14:45:37 +00:00
Ahmed Charles
745c53c2a7 Remove dead code. Improve llvm_unreachable text. Simplify some control flow.
llvm-svn: 150918
2012-02-19 11:37:01 +00:00
NAKAMURA Takumi
e2ae0063cf lib/Support/CrashRecoveryContext.cpp: Add Win32 support to CrashRecoveryContext. Thanks to Aaron Ballman!
llvm-svn: 138199
2011-08-20 06:35:36 +00:00
Ted Kremenek
d582517a58 Properly initialize all fields in CrashReporterCleanupContext. This caused the buildbot failure earlier.
llvm-svn: 128071
2011-03-22 04:33:13 +00:00
Ted Kremenek
33f7ecabd4 Temporarily stop recovering resources in CrashRecoveryContext while I investigate further why this works on my machine and not on others.
llvm-svn: 128065
2011-03-22 02:06:32 +00:00
Ted Kremenek
a462a53e0b Provide a means for CrashRecovery clients to determine if code is currently running while crash recovery cleanups are being processed.
llvm-svn: 128008
2011-03-21 18:38:03 +00:00
Ted Kremenek
c4fa37479a Tweak CrashRecoveryContextCleanup to provide an easy method for clients to select between 'delete' and 'destructor' cleanups, and allow the destructor of CrashRecoveryContextCleanupRegister to be pseudo re-entrant.
llvm-svn: 127929
2011-03-19 00:59:37 +00:00
Ted Kremenek
be390d8777 Tweak CrashRecoveryContext::GetCurrent() to return quickly if 'gCrsahRecoveryEnabled' is false. This avoids us needing to go to thread local storage for
the performance sensitive case where we are compiling code.

llvm-svn: 127928
2011-03-19 00:59:33 +00:00
Ted Kremenek
1a2fa05e5f Augment CrashRecoveryContext to have registered "cleanup" objects that can be used to release resources during a crash.
llvm-svn: 127849
2011-03-18 02:05:11 +00:00
Michael J. Spencer
d5ec932c3a Merge System into Support.
llvm-svn: 120298
2010-11-29 18:16:10 +00:00
Daniel Dunbar
8f3d8495f5 CrashRecoveryContext: Add RunSafelyOnThread helper function.
llvm-svn: 118272
2010-11-05 07:19:09 +00:00
Daniel Dunbar
f5c3546f2b CrashRecoveryContext: Add missing return, so that the signal fires after we our
routine is off the stack. Otherwise we show up rather confusingly in the stack
trace.

llvm-svn: 116755
2010-10-18 21:55:18 +00:00
Daniel Dunbar
e88f283f80 CrashRecovery: Clear the current context on the first crash, to avoid re-entering it if the cleanup code crashes.
llvm-svn: 111309
2010-08-17 22:32:39 +00:00
Daniel Dunbar
b5312b0f26 CrashRecovery: Add CrashRecoveryContext::GetCurrent(), so clients can find the active context from anywhere.
llvm-svn: 111308
2010-08-17 22:32:37 +00:00
Daniel Dunbar
0fc35d7284 CrashRecovery: Make CrashRecoveryContext static methods thread safe.
llvm-svn: 111307
2010-08-17 22:32:34 +00:00
Daniel Dunbar
c97e760282 Fix -Wmissing-field-initializers warnings.
llvm-svn: 109872
2010-07-30 17:49:04 +00:00
Daniel Dunbar
d516b0a1bd CrashRecovery: Use ThreadLocal::erase() instead of set(0).
llvm-svn: 109752
2010-07-29 15:24:21 +00:00
Daniel Dunbar
d62252d9f8 Make sure to include config.h, to pickup LLVM_ON_WIN32.
llvm-svn: 109721
2010-07-29 01:52:04 +00:00
Daniel Dunbar
a5b23b4df1 CrashRecoveryContext: Add a simple POSIX implementation.
- This works, but won't handle crashes on stack overflow, or signals delivered
   to a thread other than the one that crashed. The latter is particular annoying
   on Darwin, because SIGABRT tends to go to the main thread.

llvm-svn: 109717
2010-07-29 01:21:47 +00:00
Daniel Dunbar
4cf25fa76a Support: Add CrashRecoveryContext helper object.
- Designed as a simple wrapper to allow clients to attempt to catch crashes
   (memory errors, assertion violations, etc.) and do some kind of recovery.

 - Currently doesn't actually attempt to catch crashes.

llvm-svn: 109586
2010-07-28 15:40:20 +00:00