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cygwin: use CREATE_DEFAULT_ERROR_MODE in spawn 

This allows native processes to get Windows-default error handling
behavior (such as invoking the registered JIT debugger).
This commit is contained in:
Jeremy Drake via Cygwin-patches 2020-12-09 11:27:11 -08:00 committed by Corinna Vinschen
parent b6624e23e1
commit 21ec498d7f
1 changed files with 7 additions and 0 deletions
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7
winsup/cygwin/spawn.cc
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@ -431,6 +431,13 @@ child_info_spawn::worker (const char *prog_arg, const char *const *argv,
c_flags |= CREATE_SEPARATE_WOW_VDM | CREATE_UNICODE_ENVIRONMENT;
/* Add CREATE_DEFAULT_ERROR_MODE flag for non-Cygwin processes so they
get the default error mode instead of inheriting the mode Cygwin
uses. This allows things like Windows Error Reporting/JIT debugging
to work with processes launched from a Cygwin shell. */
if (!real_path.iscygexec ())
c_flags |= CREATE_DEFAULT_ERROR_MODE;
/* We're adding the CREATE_BREAKAWAY_FROM_JOB flag here to workaround
issues with the "Program Compatibility Assistant (PCA) Service".
For some reason, when starting long running sessions from mintty(*),