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Diffstat (limited to 'mysql-test/lib/My/SafeProcess/safe_process.cc')
-rw-r--r--mysql-test/lib/My/SafeProcess/safe_process.cc18
1 files changed, 13 insertions, 5 deletions
diff --git a/mysql-test/lib/My/SafeProcess/safe_process.cc b/mysql-test/lib/My/SafeProcess/safe_process.cc
index d6110f5f8c8..feb3eb4df66 100644
--- a/mysql-test/lib/My/SafeProcess/safe_process.cc
+++ b/mysql-test/lib/My/SafeProcess/safe_process.cc
@@ -125,7 +125,7 @@ extern "C" void handle_abort(int sig)
message("Got signal %d, child_pid: %d, sending ABRT", sig, child_pid);
if (child_pid > 0) {
- kill (-child_pid, SIGABRT); // Don't wait for it to terminate
+ kill(-child_pid, SIGABRT); // Don't wait for it to terminate
}
}
@@ -226,6 +226,18 @@ int main(int argc, char* const argv[] )
sleep(1);
}
+ /*
+ Child: Make this process it's own process group to be able to kill
+ it and any its children that hasn't changed a group themselves)
+
+ Parent: Detach from the parent's process group, so that killing a parent
+ group wouldn't kill us (if we're killed, there's no one to kill our child
+ processes that run in their own process group). There's a loop below
+ that monitors the parent, it's enough.
+ */
+ setpgid(0, 0);
+
+
if (child_pid == 0)
{
close(pfd[0]); // Close unused read end
@@ -236,10 +248,6 @@ int main(int argc, char* const argv[] )
signal(SIGHUP, SIG_DFL);
signal(SIGCHLD, SIG_DFL);
- // Make this process it's own process group to be able to kill
- // it and any childs(that hasn't changed group themself)
- setpgid(0, 0);
-
if (nocore)
{
struct rlimit corelim = { 0, 0 };