(lldb) process attach --pid 1958
Process 1958 stopped
* thread #1: tid = 0x6f0f, 0x00007fff8f722d16 libsystem_kernel.dylib`__open + 10, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
frame #0: 0x00007fff8f722d16 libsystem_kernel.dylib`__open + 10
libsystem_kernel.dylib`__open:
-> 0x7fff8f722d16 <+10>: jae 0x7fff8f722d20 ; <+20>
0x7fff8f722d18 <+12>: movq %rax, %rdi
0x7fff8f722d1b <+15>: jmp 0x7fff8f71dc02 ; cerror
0x7fff8f722d20 <+20>: retq
501 2728 cp 4 /Users/gmile/projects/nerves/helloworld/_nerves-tmp/rootfs-additions/srv/erlang/tmp/erl_pipes
501 2728 cp 3 rel/helloworld/tmp/erl_pipes
501 2728 cp 3 rel/helloworld/tmp/erl_pipes/helloworld
501 2728 cp 4 /Users/gmile/projects/nerves/helloworld/_nerves-tmp/rootfs-additions/srv/erlang/tmp/erl_pipes/helloworld
501 2728 cp 3 rel/helloworld/tmp/erl_pipes/helloworld
gmile@Eugenes-MacBook-Pro-2 ~/p/n/helloworld> ls -lat rel/helloworld/tmp/erl_pipes/helloworld
total 0
prw-r--r-- 1 gmile staff 0 Mar 5 13:40 erlang.pipe.1.r
prw-r--r-- 1 gmile staff 0 Mar 5 13:40 erlang.pipe.1.w
drwxr-xr-x 4 gmile staff 136 Mar 5 13:40 .
drwxr-xr-x 3 gmile staff 102 Mar 5 13:39 ..