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debug: enable debugging features by default

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This commit is contained in:
Danny Robson 2018-03-27 15:50:29 +11:00
parent 1b023f7c8d
commit 67c8c9c69c
2 changed files with 15 additions and 8 deletions
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19
debug.cpp
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@ -76,20 +76,27 @@ warn (const char *msg)
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
void void
util::debug::init (void) util::debug::init [[gnu::constructor]] (void)
{ {
force_console (); if (debug_enabled || getenv("DEBUG")) {
prepare_debugger (); LOG_INFO ("minimal debug setup");
enable_fpe ();
force_console ();
prepare_debugger ();
if (getenv ("DEBUG_WAIT")) if (getenv ("DEBUG_WAIT"))
await_debugger (); await_debugger ();
}
} }
/////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////
static void static void
debug_wait [[gnu::constructor]] (void) { debug_wait [[gnu::constructor]] (void)
{
if (auto val = getenv ("DEBUG_WAIT")) { if (auto val = getenv ("DEBUG_WAIT")) {
LOG_NOTICE ("awaiting debugger");
if (std::string ("0") != val) if (std::string ("0") != val)
await_debugger (); await_debugger ();
} }

4
debug_posix.cpp
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@ -102,7 +102,7 @@ await_debugger (void)
void void
enable_fpe (void) enable_fpe (void)
{ {
feenableexcept (FE_DIVBYZERO | FE_INVALID); feenableexcept (FE_INVALID);
} }
@ -118,7 +118,7 @@ disable_fpe (void)
void void
force_console (void) force_console (void)
{ {
if (!isatty (fileno (stdout))) { if (!isatty (fileno (stdout) && !isatty (fileno (stderr)))) {
LOG_WARN ("expected debugging under a console"); LOG_WARN ("expected debugging under a console");
} }
} }