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| author | Geunhae LEE <geunhae.lee@samsung.com> | 2014-03-12 15:44:58 +0900 |
|---|---|---|
| committer | Geunhae LEE <geunhae.lee@samsung.com> | 2014-03-17 15:32:47 +0900 |
| commit | 9c68a9b8a7ec41864ca039ab828faa44ef7c75c8 (patch) | |
| tree | c113d830b3f808317b08f2a4c9dfb77002805c56 /util | |
| parent | 439e948c4859c4f85338d7f3e6efb25f48248fa1 (diff) | |
| download | qemu-9c68a9b8a7ec41864ca039ab828faa44ef7c75c8.tar.gz qemu-9c68a9b8a7ec41864ca039ab828faa44ef7c75c8.tar.bz2 qemu-9c68a9b8a7ec41864ca039ab828faa44ef7c75c8.zip | |
debug utility : dump backtrace whenever exit called or signal catched
- tested on both Linux and Windows
- stack trace is printed out in emulator.log by class of err
- it only print stack trace for thread which either calls exit or catchs signals
Change-Id: I45258234af329889226badb8e8455d355ded4de6
Signed-off-by: Geunhae LEE <geunhae.lee@samsung.com>
Diffstat (limited to 'util')
| -rw-r--r-- | util/qemu-thread-posix.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c index 37dd298631..d5dc50237b 100644 --- a/util/qemu-thread-posix.c +++ b/util/qemu-thread-posix.c @@ -409,13 +409,20 @@ void qemu_thread_create(QemuThread *thread, /* Leave signal handling to the iothread. */ sigfillset(&set); +#define DO_NOT_MASK_SYNC_SIGS +#ifdef DO_NOT_MASK_SYNC_SIGS + sigdelset(&set, SIGSEGV); + sigdelset(&set, SIGBUS); + sigdelset(&set, SIGABRT); + sigdelset(&set, SIGFPE); + sigdelset(&set, SIGILL); +#endif pthread_sigmask(SIG_SETMASK, &set, &oldset); err = pthread_create(&thread->thread, &attr, start_routine, arg); if (err) error_exit(err, __func__); pthread_sigmask(SIG_SETMASK, &oldset, NULL); - pthread_attr_destroy(&attr); } |