66 lines
2.6 KiB
Diff
66 lines
2.6 KiB
Diff
From 7616b8a2e0ffcf068b47e1a66bbb1dbd7d9b5c50 Mon Sep 17 00:00:00 2001
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From: Johannes Schindelin <johannes.schindelin@gmx.de>
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Date: Wed, 31 Mar 2021 11:38:41 +0200
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Subject: [PATCH 22/N] Do not show Error dialogs by default
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In https://github.com/msys2/msys2-runtime/pull/18, we discussed a change
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that would allow default Windows error handling of spawned processes to
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kick in (such as registered JIT debuggers). We even agreed that it would
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make sense to hide this functionality behind a flag, `winjitdebug`.
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However, when this got upstreamed as 21ec498d7f (cygwin: use
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CREATE_DEFAULT_ERROR_MODE in spawn, 2020-12-09), that flag was deemed
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unnecessary.
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But it would appear that it _is_ necessary: As reported in
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https://github.com/msys2/MSYS2-packages/pull/2414#issuecomment-810841296
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this new behavior is pretty disruptive e.g. in CI scenarios.
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So let's introduce that `winjitdebug` flag (settable via the environment
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variable `MSYS`) at long last.
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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---
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winsup/cygwin/environ.cc | 1 +
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winsup/cygwin/globals.cc | 1 +
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winsup/cygwin/spawn.cc | 2 +-
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3 files changed, 3 insertions(+), 1 deletion(-)
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diff --git a/winsup/cygwin/environ.cc b/winsup/cygwin/environ.cc
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index 89e989a..31ada02 100644
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--- a/winsup/cygwin/environ.cc
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+++ b/winsup/cygwin/environ.cc
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@@ -128,6 +128,7 @@ static struct parse_thing
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{"winsymlinks", {func: set_winsymlinks}, isfunc, NULL, {{0}, {0}}},
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{"disable_pcon", {&disable_pcon}, setbool, NULL, {{false}, {true}}},
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{"enable_pcon", {&disable_pcon}, setnegbool, NULL, {{true}, {false}}},
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+ {"winjitdebug", {&winjitdebug}, setbool, NULL, {{false}, {true}}},
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{NULL, {0}, setdword, 0, {{0}, {0}}}
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};
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diff --git a/winsup/cygwin/globals.cc b/winsup/cygwin/globals.cc
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index 1541fa4..f243aad 100644
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--- a/winsup/cygwin/globals.cc
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+++ b/winsup/cygwin/globals.cc
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@@ -73,6 +73,7 @@ bool reset_com;
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bool wincmdln = true;
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winsym_t allow_winsymlinks = WSYM_deepcopy;
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bool disable_pcon;
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+bool winjitdebug = false;
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bool NO_COPY in_forkee;
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diff --git a/winsup/cygwin/spawn.cc b/winsup/cygwin/spawn.cc
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index c77970b..383f5e5 100644
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--- a/winsup/cygwin/spawn.cc
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+++ b/winsup/cygwin/spawn.cc
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@@ -429,7 +429,7 @@ child_info_spawn::worker (const char *prog_arg, const char *const *argv,
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get the default error mode instead of inheriting the mode Cygwin
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uses. This allows things like Windows Error Reporting/JIT debugging
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to work with processes launched from a Cygwin shell. */
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- if (!real_path.iscygexec ())
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+ if (winjitdebug && !real_path.iscygexec ())
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c_flags |= CREATE_DEFAULT_ERROR_MODE;
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/* We're adding the CREATE_BREAKAWAY_FROM_JOB flag here to workaround
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