ptrace_check_attach 91 include/linux/ptrace.h extern int ptrace_check_attach(struct task_struct *task, int kill); ptrace_check_attach 581 kernel/ptrace.c ret = ptrace_check_attach(child, request == PTRACE_KILL); ptrace_check_attach 702 kernel/ptrace.c ret = ptrace_check_attach(child, request == PTRACE_KILL);