Revert SIGCHLD changes to diagnose CI failures. (#7517)
SIGCHLD
This reverts commit 44a0711eab7fbc71ac2c8ff489d8c53e97a8fe75.
This reverts commit 4dce12bead3bfd91fd80b5e7195f7f540ffffacb.
waidpid
This reverts commit 1658e7d96696a656d9bd0a0c84c82cde86914ba2.
Revert SIGCHLD changes to diagnose CI failures. (#7517)
SIGCHLD
. (#7482)"This reverts commit 44a0711eab7fbc71ac2c8ff489d8c53e97a8fe75.
This reverts commit 4dce12bead3bfd91fd80b5e7195f7f540ffffacb.
waidpid
. (#7476)"This reverts commit 1658e7d96696a656d9bd0a0c84c82cde86914ba2.