diff options
| author | Karen Arutyunov <karen@codesynthesis.com> | 2019-05-28 12:28:05 +0300 |
|---|---|---|
| committer | Karen Arutyunov <karen@codesynthesis.com> | 2019-05-28 16:09:48 +0300 |
| commit | 52f1e90df5a8c98c5dc9ae3d50f7c24928c7b69b (patch) | |
| tree | 48e9dbb5b4c4f1fe40ce068ba4005d53cdb9833d | |
| parent | 1a9e93df517ebcfd836bd94b095c354a4877c96e (diff) | |
Print backtrace to stderr when terminating due to unhandled exception
| -rw-r--r-- | bdep/bdep.cxx | 21 | ||||
| -rw-r--r-- | bdep/buildfile | 5 |
2 files changed, 25 insertions, 1 deletions
diff --git a/bdep/bdep.cxx b/bdep/bdep.cxx index e4146e5..e02687d 100644 --- a/bdep/bdep.cxx +++ b/bdep/bdep.cxx @@ -6,8 +6,11 @@ # include <signal.h> // signal() #endif -#include <cstring> // strcmp() +#include <cstring> // strcmp() #include <iostream> +#include <exception> // set_terminate(), terminate_handler + +#include <libbutl/backtrace.mxx> // backtrace() #include <bdep/types.hxx> #include <bdep/utility.hxx> @@ -152,12 +155,28 @@ init (const common_options& co, return o; } +// Print backtrace if terminating due to an unhandled exception. Note that +// custom_terminate is non-static and not a lambda to reduce the noise. +// +static terminate_handler default_terminate; + +void +custom_terminate () +{ + *diag_stream << backtrace (); + + if (default_terminate != nullptr) + default_terminate (); +} + int bdep:: main (int argc, char* argv[]) try { using namespace cli; + default_terminate = set_terminate (custom_terminate); + stderr_term = fdterm (stderr_fd ()); argv0 = argv[0]; diff --git a/bdep/buildfile b/bdep/buildfile index db38734..702058c 100644 --- a/bdep/buildfile +++ b/bdep/buildfile @@ -89,6 +89,11 @@ if ($cxx.class == 'msvc') elif ($cxx.class == 'gcc') cxx.coptions += -Wno-unknown-pragmas +# Make sure backtrace includes function names. +# +if ($cxx.target.class == 'linux') + cxx.loptions += -rdynamic + # Generated options parser. # if $cli.configured |