diff options
| author | Paul Wicks <pwicks86@gmail.com> | 2018-07-10 13:38:27 -0700 |
|---|---|---|
| committer | Marcus Müller <marcus@hostalia.de> | 2020-12-19 12:59:25 +0100 |
| commit | 6d6c9a254102374d3fdbc4c39eac0b67e07168b7 (patch) | |
| tree | 62028d8c95483062382c334bb4cdb8ef98fa5967 /cmake | |
| parent | a5e49d9120e8d0d7adf4de792cc3c4bc1a6defbc (diff) | |
runtime: Add terminate handling
This consists of the following changes:
1. Add a top_block parameter to control exception handling
This restores past behavior where the scheduler catches exceptions
raised in block threads, allowing flowgraphs to continue running after
the failure of an individual block. It also adds optional new behavior,
selected by setting catch_exceptions=False to the top block, which causes
exceptions to not be caught. In this mode of operation, a std::terminate
handler can be installed to print a stack trace before the flowgraph exits.
2. Add terminate_handler to top_block_impl
This adds a terminate_handler function that prints information
about any uncaught exceptions and also attempts to print a backtrace
for said exception after which it calls std::abort. The backtrace is
printed via libunwind, which is a new optional dependency. If libunwind
is not found/installed, then the terminate handler will still print
information about the exception and then exit.
Co-Authored-By: Scott Torborg <storborg@gmail.com>
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/Modules/Findlibunwind.cmake | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/cmake/Modules/Findlibunwind.cmake b/cmake/Modules/Findlibunwind.cmake new file mode 100644 index 0000000000..1985a9fd4b --- /dev/null +++ b/cmake/Modules/Findlibunwind.cmake @@ -0,0 +1,29 @@ +# - Try to find libunwind +# Once done, this will define +# +# libunwind_FOUND - system has libunwind +# libunwind_INCLUDE_DIRS - the libunwind include directories +# libunwind_LIBRARIES - link these to use libunwind + +include(LibFindMacros) + +# Use pkg-config to get hints about paths +libfind_pkg_check_modules(libunwind_PKGCONF libunwind) + +# Include dir +find_path(libunwind_INCLUDE_DIR + NAMES libunwind.h + PATHS ${libunwind_PKGCONF_INCLUDE_DIRS} +) + +# Finally the library itself +find_library(libunwind_LIBRARY + NAMES unwind + PATHS ${libunwind_PKGCONF_LIBRARY_DIRS} +) + +# Set the include dir variables and the libraries and let libfind_process do the rest. +# NOTE: Singular variables for this library, plural for libraries this this lib depends on. +set(libunwind_PROCESS_INCLUDES ${libunwind_INCLUDE_DIR}) +set(libunwind_PROCESS_LIBS libunwind_LIBRARY) +libfind_process(libunwind) |