The ubd io and write_sigio threads/processes may leak e.g. when the main process is killed by "kill -9". Fix it by setting the parent-death signal for them.
Tiwei Bie (4): um: Add os_set_pdeathsig helper function um: Set parent-death signal for ubd io thread/process um: Set parent-death signal for write_sigio thread/process um: Use os_set_pdeathsig helper in winch thread/process arch/um/drivers/chan_user.c | 3 +-- arch/um/drivers/ubd_kern.c | 1 + arch/um/include/shared/os.h | 2 ++ arch/um/os-Linux/process.c | 6 ++++++ arch/um/os-Linux/sigio.c | 1 + 5 files changed, 11 insertions(+), 2 deletions(-) -- 2.34.1
