PTRACE_SINGLESTEP
case PTRACE_SINGLESTEP:
case PTRACE_SINGLESTEP:
#define is_singlestep(request) ((request) == PTRACE_SINGLESTEP)
if (ptrace(PTRACE_SINGLESTEP, pid, NULL, NULL) < 0) {
ptrace(PTRACE_SINGLESTEP, child_pid, NULL, 0);
return sys_ptrace(PTRACE_SINGLESTEP, pid, 0, signal);