Function at 0x403780
Capabilities:
Allocate thread local storage
Check mutex on windows
Query environment variable
Set environment variable

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4092e6
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x8c
push ebx
push esi
mov esi, ecx
push edi
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x14], esi
mov dword [esi], 0
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
mov dword [ebp - 0x1c], eax
push str.1830B7BD_F7A3_4c4d_989B_C004DE465EDE
push str._s__u
lea eax, [ebp - 0x98]
push 0x40
push eax
call dword [sym.imp.MSVCRT.dll__snprintf]
add esp, 0x14
lea ecx, [ebp - 0x98]
xor edi, edi
mov byte [ebp - 0x58], 0
push ecx
push 1
push edi
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov ebx, eax
test ebx, ebx
mov dword [ebp - 0x18], ebx
je 0x403a33
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x40380e
push 0xffffffffffffffff
push ebx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
lea edx, [ebp - 0x54]
push 0x1f
push edx
push str.1830B7BD_F7A3_4c4d_989B_C004DE465EDE
mov dword [ebp - 4], 0
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
je 0x403862
mov byte [ebp + eax - 0x54], 0
lea eax, [ebp - 0x24]
lea ecx, [ebp - 0x30]
push eax
push ecx
lea edx, [ebp - 0x54]
push str._x:_x
push edx
call dword [sym.imp.MSVCRT.dll_sscanf]
add esp, 0x10
cmp eax, 2
jne 0x403862
mov eax, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x30]
cmp ecx, eax
jne 0x403862
mov ecx, dword [ebp - 0x24]
mov dword [esi], ecx
jmp 0x403a03
xor esi, esi
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
test eax, eax
je 0x40387d
push 0x5c0
push esi
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov esi, eax
mov dword [ebp - 0x34], esi
test esi, esi
je 0x4038e9
lea edx, [esi + 8]
mov dword [esi], 0
mov dword [esi + 4], 0xffffffff
mov ecx, 0x168
lea edi, [edx + 8]
xor eax, eax
mov dword [edx], 0
rep stosd dword es:[edi], eax
mov dword [edx + 0x5ac], edx
mov dword [edx + 0x5a8], edx
mov dword [edx + 0x5b0], edx
mov byte [ebp - 4], 2
mov dword [esi + 0x5bc], eax
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
cmp eax, 0xffffffff
mov dword [esi + 4], eax
jne 0x4038e5
lea edx, [ebp - 0x28]
push 0x40c260
push edx
mov dword [ebp - 0x28], 2
call sub.MSVCRT.dll__CxxThrowException
mov dword [esi], ebx
jmp 0x4038eb
xor esi, esi
mov eax, dword [ebp - 0x14]
mov byte [ebp - 4], 0
test esi, esi
mov dword [eax], esi
jne 0x40390d
lea ecx, [ebp - 0x20]
push 0x40c260
push ecx
mov dword [ebp - 0x20], 1
call sub.MSVCRT.dll__CxxThrowException
mov edx, dword [ebp - 0x1c]
push esi
push edx
lea eax, [ebp - 0x54]
push str._x:_x
push eax
mov edi, 1
call dword [sym.imp.MSVCRT.dll_sprintf]
add esp, 0x10
lea ecx, [ebp - 0x54]
push ecx
push str.1830B7BD_F7A3_4c4d_989B_C004DE465EDE
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
test eax, eax
jne 0x403a00
lea edx, [ebp - 0x2c]
push 0x40c260
push edx
mov dword [ebp - 0x2c], 3
call sub.MSVCRT.dll__CxxThrowException
push 0
push str.1830B7BD_F7A3_4c4d_989B_C004DE465EDE
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
mov esi, dword [ebp - 0x18]
push esi
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov eax, dword [ebp - 0x14]
mov ebx, dword [eax]
test ebx, ebx
mov dword [ebp - 0x18], ebx
je 0x4039f3
mov eax, dword [ebx + 4]
cmp eax, 0xffffffff
je 0x403987
push eax
call dword [sym.imp.KERNEL32.dll_TlsFree]
mov eax, dword [ebx]
test eax, eax
je 0x403994
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov esi, dword [ebx + 0x5b0]
lea edi, [ebx + 8]
cmp esi, edi
je 0x4039c4
mov ebx, dword [esi + 0x5a8]
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
test eax, eax
je 0x4039bb
push esi
push 0
push eax
call dword [sym.imp.KERNEL32.dll_HeapFree]
cmp ebx, edi
mov esi, ebx
jne 0x4039a1
mov ebx, dword [ebp - 0x18]
mov dword [edi + 0x5ac], edi
mov dword [edi + 0x5a8], edi
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
test eax, eax
je 0x4039e4
push ebx
push 0
push eax
call dword [sym.imp.KERNEL32.dll_HeapFree]
mov ecx, dword [ebp - 0x14]
mov eax, 0x403a30
mov dword [ecx], 0
ret
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, 0x403a30
ret
mov esi, dword [ebp - 0x14]
mov eax, dword [esi]
push ebx
inc dword [eax + 0x5bc]
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
test edi, edi
jne 0x403a33
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret