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authorTakashi Yano <takashi.yano@nifty.ne.jp>2019-09-04 16:47:42 +0300
committerCorinna Vinschen <corinna@vinschen.de>2019-09-04 17:01:07 +0300
commitd4045fdbef60d8e7e0d11dfe38b048ea2cb8708b (patch)
tree8070b21fc8c597ab2c37a1ee456887e15d6e2dbe
parent83b2d576c835dad6b8e2ea53b55a25e7bfcdcde7 (diff)
Cygwin: pty: Add a workaround for ^C handling.
- Pseudo console support introduced by commit 169d65a5774acc76ce3f3feeedcbae7405aa9b57 sometimes cause random crash or freeze by pressing ^C while cygwin and non-cygwin processes are executed simultaneously in the same pty. This patch is a workaround for this issue.
-rw-r--r--winsup/cygwin/fork.cc1
-rw-r--r--winsup/cygwin/spawn.cc6
2 files changed, 6 insertions, 1 deletions
diff --git a/winsup/cygwin/fork.cc b/winsup/cygwin/fork.cc
index a3a7e7505..0a929dffd 100644
--- a/winsup/cygwin/fork.cc
+++ b/winsup/cygwin/fork.cc
@@ -213,7 +213,6 @@ frok::child (volatile char * volatile here)
- terminate the current fork call even if the child is initialized. */
sync_with_parent ("performed fork fixups and dynamic dll loading", true);
- init_console_handler (myself->ctty > 0);
ForceCloseHandle1 (fork_info->forker_finished, forker_finished);
pthread::atforkchild ();
diff --git a/winsup/cygwin/spawn.cc b/winsup/cygwin/spawn.cc
index 4bb28c47b..15cba3610 100644
--- a/winsup/cygwin/spawn.cc
+++ b/winsup/cygwin/spawn.cc
@@ -635,6 +635,12 @@ child_info_spawn::worker (const char *prog_arg, const char *const *argv,
if (ptys)
ptys->fixup_after_attach (!iscygwin ());
+ if (!iscygwin ())
+ {
+ init_console_handler (myself->ctty > 0);
+ myself->ctty = 0;
+ }
+
loop:
/* When ruid != euid we create the new process under the current original
account and impersonate in child, this way maintaining the different