; 
; sub_180019820 from 0x180019820 to 0x1800198ca (170 bytes)
; 
; 2 xrefs:
; > <???> @ 0x180028ff8
; > <???> @ 0x18004ac68
; 
; This function is hookable on this platform!
; 
; Using BromaIDA 8.0.0 @ https:;github.com/Stazzical/BromaIDA
; Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https:;github.com/geode-sdk/bindings
; 

mov     [rsp+arg_8], rsi                                               ; +0x0, 0x180019820
push    rdi                                                            ; +0x5, 0x180019825
sub     rsp, 20h                                                       ; +0x6, 0x180019826
mov     rsi, rcx                                                       ; +0xa, 0x18001982a
add     rcx, 48h ; 'H'                                                 ; +0xd, 0x18001982d
call    cs:pthread_mutex_lock                                          ; +0x11, 0x180019831
mov     r8, [rsi+38h]                                                  ; +0x17, 0x180019837
mov     r9, [r8+8]                                                     ; +0x1b, 0x18001983b
test    r9, r9                                                         ; +0x1f, 0x18001983f
jnz     short loc_180019859                                            ; +0x22, 0x180019842
lea     rcx, [rsi+48h]                                                 ; +0x24, 0x180019844
mov     rsi, [rsp+28h+arg_8]                                           ; +0x28, 0x180019848
add     rsp, 20h                                                       ; +0x2d, 0x18001984d
pop     rdi                                                            ; +0x31, 0x180019851
jmp     cs:pthread_mutex_unlock                                        ; +0x32, 0x180019852
mov     rax, [r8]                                                      ; +0x39, 0x180019859
mov     [rsp+28h+arg_0], rbx                                           ; +0x3c, 0x18001985c
mov     rcx, [rax]; Block                                              ; +0x41, 0x180019861
lea     rax, [r9-1]                                                    ; +0x44, 0x180019864
mov     rdx, [rcx]                                                     ; +0x48, 0x180019868
mov     rbx, [rcx+10h]                                                 ; +0x4b, 0x18001986b
mov     [r8+8], rax                                                    ; +0x4f, 0x18001986f
mov     rax, [rcx+8]                                                   ; +0x53, 0x180019873
mov     [rax], rdx                                                     ; +0x57, 0x180019877
mov     rax, [rcx+8]                                                   ; +0x5a, 0x18001987a
mov     [rdx+8], rax                                                   ; +0x5e, 0x18001987e
mov     edx, 18h                                                       ; +0x62, 0x180019882
call    j_j_free                                                       ; +0x67, 0x180019887
lea     rcx, [rsi+48h]                                                 ; +0x6c, 0x18001988c
call    cs:pthread_mutex_unlock                                        ; +0x70, 0x180019890
mov     rcx, [rsi+68h]                                                 ; +0x76, 0x180019896
test    rcx, rcx                                                       ; +0x7a, 0x18001989a
jz      short loc_1800198A8                                            ; +0x7d, 0x18001989d
mov     rax, [rcx]                                                     ; +0x7f, 0x18001989f
mov     rdx, rbx                                                       ; +0x82, 0x1800198a2
call    qword ptr [rax+20h]                                            ; +0x85, 0x1800198a5
test    rbx, rbx                                                       ; +0x88, 0x1800198a8
jz      short loc_1800198BA                                            ; +0x8b, 0x1800198ab
mov     edx, 10h                                                       ; +0x8d, 0x1800198ad
mov     rcx, rbx; Block                                                ; +0x92, 0x1800198b2
call    j_j_free                                                       ; +0x95, 0x1800198b5
mov     rbx, [rsp+28h+arg_0]                                           ; +0x9a, 0x1800198ba
mov     rsi, [rsp+28h+arg_8]                                           ; +0x9f, 0x1800198bf
add     rsp, 20h                                                       ; +0xa4, 0x1800198c4
pop     rdi                                                            ; +0xa8, 0x1800198c8
retn                                                                   ; +0xa9, 0x1800198c9