nwg

#!/bin/bash

function pfprint() {
  if [ -n "$2" ];then
    sudo pfctl -a "$2" -s"$1" 2>/dev/null
  else
    sudo pfctl -s"$1" 2>/dev/null
  fi
}

nwg

;; --- begin straight.el setup
(defvar bootstrap-version)
(let ((bootstrap-file
       (expand-file-name
        "straight/repos/straight.el/bootstrap.el"
        user-emacs-directory))
      (bootstrap-version 5))
  (unless (file-exists-p bootstrap-file)
    (with-current-buffer
        (url-retrieve-synchronously

nwg

$rip=0x0000000112aff31b

memory region $rip
[0x0000000112aff000-0x0000000112b1a000) rwx

malloc_history 28499 0x0000000112aff31b
VM_ALLOC 0x112aff000-0x112b00fff [size=8192]:  [thread 0x700000aa4000]: | 0x102f9f160 (snap-test2) mmapForLinker | 0x7fff5f38e97c (libsystem_kernel.dylib) mmap 

vmmap 28499
VM_ALLOCATE            0000000112a6f000-000000011303c000 [ 5940K  5940K  5940K     0K] rwx/rwx SM=PRV          

nwg

1) Download haskell platform and install: https://haskell.org/platform/download/8.6.3/Haskell%20Platform%208.6.3%20Core%2064bit-signed.pkg
2) cabal new-install snap
3) mkdir /tmp/snap-test
4) cd /tmp/snap-test
5) $HOME/.local/bin/snap init
5.2) edit snap-test.cabal and remove -threaded and -O2 and add -g
6) cabal new-build -fdevelopment
6.2) cabal new-run
7) (direct browser to 0.0.0.0:8000)
8) (click on 'create a new user')

nwg

(lldb) thread list
Process 25688 stopped
  thread #1: tid = 0x554ad, 0x00007fff5f3907de libsystem_kernel.dylib`__psynch_cvwait + 10, queue = 'com.apple.main-thread'
  thread #2: tid = 0x554c3, 0x00007fff5f390eae libsystem_kernel.dylib`__semwait_signal + 10
  thread #3: tid = 0x554c4, 0x00007fff5f393716 libsystem_kernel.dylib`kevent + 10
  thread #4: tid = 0x554c5, 0x00007fff5f3952ee libsystem_kernel.dylib`poll + 10
  thread #5: tid = 0x554c6, 0x00007fff5f3907de libsystem_kernel.dylib`__psynch_cvwait + 10
  thread #6: tid = 0x554c7, 0x00007fff5f3907de libsystem_kernel.dylib`__psynch_cvwait + 10
* thread #7: tid = 0x554c8, 0x00000001134f931b, stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)

nwg

[  0] 849F3F04-C0A4-37F7-9899-5401F0BBD44F 0x0000000100000000 /Users/griswold/project/snap-test2/dist-newstyle/build/x86_64-osx/ghc-8.6.3/snap-test2-0.1/build/snap-test2/snap-test2 
[  1] 289AB27E-F09F-3384-A14A-100431139559 0x00000001053b0000 /usr/lib/dyld 
[  2] 25F4A1F5-6551-312F-B397-C8D45ACC530A 0x00007fff5c6d5000 /usr/lib/libSystem.B.dylib 
[  3] 15F7B40A-424C-33BB-BF2C-7E8195128B78 0x00007fff5f052000 /usr/lib/libz.1.dylib 
[  4] 2B715386-F391-3835-909F-A6DD86DCB4E3 0x00007fff5dbb3000 /usr/lib/libncurses.5.4.dylib 
[  5] 9FB95807-7C62-32B7-A19F-946D7FB7CCA6 0x00007fff5d4ec000 /usr/lib/libiconv.2.dylib 
[  6] 43F7E100-F5D1-36AB-A26E-CF94196A19C0 0x00007fff5c990000 /usr/lib/libcharset.1.dylib 
[  7] 704331AC-E43D-343A-8C24-39201142AF27 0x00007fff5f0d5000 /usr/lib/system/libcache.dylib 
[  8] 9C865644-EE9A-3662-AB77-7C8A5E561784 0x00007fff5f0da000 /usr/lib/system/libcommonCrypto.dylib 
[  9] 817772E3-E836-3FFD-A39B-BDCD1C357221 0x00007fff5f0e5000 /usr/lib/system/libcompiler_rt.dylib 

nwg

Process:               snap-test2 [1926]
Path:                  /Users/USER/*/snap-test2
Identifier:            snap-test2
Version:               0
Code Type:             X86-64 (Native)
Parent Process:        bash [476]
Responsible:           snap-test2 [1926]
User ID:               503

Date/Time:             2018-12-29 14:34:32.911 -0600

nwg

Process 1825 stopped
* thread #5, stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
    frame #0: 0x00000001120f931b
->  0x1120f931b: movaps 0x7e6(%rip), %xmm0
    0x1120f9322: movups %xmm0, 0x88(%rbx)
    0x1120f9329: movaps 0x7e8(%rip), %xmm0
    0x1120f9330: movups %xmm0, 0x98(%rbx)
Target 0: (snap-test2) stopped.
(lldb) bt
* thread #5, stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)

nwg

open("users.json\0", 0x20205, 0x1B6)		 = 16 0
fstat64(0x10, 0x4201B0A420, 0x0)		 = 0 0
ftruncate(0x10, 0x0, 0x0)		 = 0 0

ioctl(0x10, 0x4004667A, 0x70000A675DD4)		 = -1 Err#25 (ENOTTY)
-- #define FIODTYPE        _IOR('f', 122, int)     /* get d_type */

     [ENOTTY]           fildes is not associated with a character special device.
 -OR-
     [ENOTTY]           The specified request does not apply to the kind of object that the descriptor fildes references.

nwg

constraints: any.Cabal ==2.4.0.1,
             any.HUnit ==1.6.0.0,
             any.StateVar ==1.1.1.1,
             any.adjunctions ==4.4,
             any.aeson ==1.4.2.0,
             aeson -bytestring-builder -cffi -developer -fast,
             any.array ==0.5.3.0,
             any.attoparsec ==0.13.2.2,
             attoparsec -developer,
             any.base ==4.12.0.0,