diff options
| -rw-r--r-- | src/client/linux/handler/exception_handler.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/client/linux/handler/exception_handler.h b/src/client/linux/handler/exception_handler.h index 1de38616..bb88b950 100644 --- a/src/client/linux/handler/exception_handler.h +++ b/src/client/linux/handler/exception_handler.h @@ -252,7 +252,11 @@ class ExceptionHandler { MinidumpDescriptor minidump_descriptor_; - HandlerCallback crash_handler_; + // Must be volatile. The compiler is unaware of the code which runs in + // the signal handler which reads this variable. Without volatile the + // compiler is free to optimise away writes to this variable which it + // believes are never read. + volatile HandlerCallback crash_handler_; // The global exception handler stack. This is need becuase there may exist // multiple ExceptionHandler instances in a process. Each will have itself |