我正在尝试将C ++函数包装起来以便从Python调用。 我的C ++代码编译并成功运行，但是当我从python中调用它时，我收到以下错误：
python(6805,0x7fff78401300) malloc: *** mach_vm_map(size=8245930807582093312) failed (error code=3)
*** error: can't allocate region
*** set a breakpoint in malloc_error_break to debug
libc++abi.dylib: terminating with uncaught exception of type std::bad_alloc: std::bad_alloc
zsh: abort python
这是我的C ++函数，它抓取我的文件系统：
const char * crawlDirectory(const string directory)
{
std::vector<std::string> filesVector;
std::vector<std::string> dirsVector;
dirsVector.push_back(directory);
int currDirectoryIndex = 0;
while (currDirectoryIndex < dirsVector.size()) {
GetFilesInDirectory(filesVector, dirsVector, dirsVector[currDirectoryIndex].c_str());
currDirectoryIndex++;
}
std::string filesListString = "";
for (int i=0; i<filesVector.size()-1; i++) {
filesListString += filesVector[i].c_str() + SEPARATOR;
}
//add the last file path without the separator -- faster than a conditional for every iteration
filesListString += filesVector[filesVector.size()-1].c_str();
const char * retString = filesListString.c_str();
return retString;
}
我认为问题不在'GetFilesInDirectory（）'中，但我会在必要时发布。
这是extern块，它帮助我包装函数：
extern "C" {
Crawler* Crawler_new(){ return new Crawler(); }
const char * Crawler_crawlDirectory(Crawler* crawler, const string directory){ return(crawler->crawlDirectory(directory)); }
}
这是定义Crawler类的python文件：
from ctypes import cdll
from ctypes import *
lib = cdll.LoadLibrary('./libcrawler.so')
lib.Crawler_crawlDirectory.restype = c_char_p
lib.Crawler_crawlDirectory.argtypes = [c_void_p, c_char_p]
lib.Crawler_new.restype = c_void_p
class Crawler(object):
def __init__(self):
self.obj = lib.Crawler_new()
def crawlDirectory(self, path):
return lib.Crawler_crawlDirectory(self.obj, path)
我很肯定我的C ++代码正在被正确编译（使用g ++作为dylib），因为我已经使用其他函数测试了包装器，这些函数返回了char * s和整数等简单的东西，并且它们正常工作。
以下是我从python调用函数的方法：
>>> from wrapper import *
>>> c = Crawler()
>>> files = c.crawlDirectory('/Users/whatever/desktop')
任何人都可以提供有关解决此问题的见解吗？
编辑：这是问题报告：
Process: Python [7057]
Path: /System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Identifier: Python
Version: 2.7.6 (2.7.6)
Code Type: X86-64 (Native)
Parent Process: zsh [390]
Responsible: Terminal [285]
User ID: 501
PlugIn Path: /Users/USER/Documents/*/libcrawler.so
PlugIn Identifier: libcrawler.so
PlugIn Version: ??? (0)
Date/Time: 2014-06-08 16:36:24.623 -0700
OS Version: Mac OS X 10.10 (14A238x)
Report Version: 11
Anonymous UUID: F5B91E6D-C318-117A-A457-522AB46FF6DC
Sleep/Wake UUID: E228A7B4-D89E-4DBF-ABF3-510F4CF0EC3B
Time Awake Since Boot: 29000 seconds
Time Since Wake: 8000 seconds
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Application Specific Information:
abort() called
terminating with uncaught exception of type std::bad_alloc: std::bad_alloc
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fff90f5637a __pthread_kill + 10
1 libsystem_c.dylib 0x00007fff88fcc5ff abort + 129
2 libc++abi.dylib 0x00007fff8b95fb31 abort_message + 257
3 libc++abi.dylib 0x00007fff8b9879b9 default_terminate_handler() + 243
4 libobjc.A.dylib 0x00007fff8849c522 _objc_terminate() + 124
5 libc++abi.dylib 0x00007fff8b9850a1 std::__terminate(void (*)()) + 8
6 libc++abi.dylib 0x00007fff8b984b2c __cxa_throw + 121
7 libc++abi.dylib 0x00007fff8b98527a operator new(unsigned long) + 90
8 libc++.1.dylib 0x00007fff94fd1f05 std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::__init(char const*, unsigned long) + 59
9 libcrawler.so 0x000000010747cce0 Crawler_crawlDirectory + 32
10 libffi.dylib 0x00007fff90eaaf44 ffi_call_unix64 + 76
11 libffi.dylib 0x00007fff90eab781 ffi_call + 853
12 _ctypes.so 0x0000000106d3c76e _ctypes_callproc + 874
13 _ctypes.so 0x0000000106d36bb9 PyCData_set + 2386
14 org.python.python 0x00000001069f03b8 PyObject_Call + 99
15 org.python.python 0x0000000106a6cc23 PyEval_EvalFrameEx + 11365
16 org.python.python 0x0000000106a7062a 0x1069e6000 + 566826
17 org.python.python 0x0000000106a6d406 PyEval_EvalFrameEx + 13384
18 org.python.python 0x0000000106a69d8a PyEval_EvalCodeEx + 1413
19 org.python.python 0x0000000106a697ff PyEval_EvalCode + 54
20 org.python.python 0x0000000106a897d1 0x1069e6000 + 669649
21 org.python.python 0x0000000106a895ed PyRun_InteractiveOneFlags + 353
22 org.python.python 0x0000000106a890fc PyRun_InteractiveLoopFlags + 192
23 org.python.python 0x0000000106a88fa6 PyRun_AnyFileExFlags + 60
24 org.python.python 0x0000000106a9ab0f Py_Main + 3051
25 libdyld.dylib 0x00007fff8a5575c9 start + 1
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x0000000000000006 rcx: 0x00007fff59221af8 rdx: 0x0000000000000000
rdi: 0x0000000000000d0f rsi: 0x0000000000000006 rbp: 0x00007fff59221b20 rsp: 0x00007fff59221af8
r8: 0x0000000000000000 r9: 0x00007fff88ff6e80 r10: 0x0000000008000000 r11: 0x0000000000000206
r12: 0x00007fff59221c80 r13: 0x00007fff592222e0 r14: 0x00007fff78401300 r15: 0x00007fff59221b60
rip: 0x00007fff90f5637a rfl: 0x0000000000000206 cr2: 0x00007fff785f2fc8
Logical CPU: 0
Error Code: 0x02000148
Trap Number: 133
Binary Images:
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0x7fff93945000 - 0x7fff93946fff libunc.dylib (28) <43600429-64D7-3578-ACCE-7642190EE835> /usr/lib/system/libunc.dylib
0x7fff93947000 - 0x7fff9394ffff libsystem_platform.dylib (61) <90DD0380-D3ED-346A-B4A8-1F1D11D42032> /usr/lib/system/libsystem_platform.dylib
0x7fff93952000 - 0x7fff9395bffb libsystem_notify.dylib (129) <7F8F5086-AD7A-3C80-BBCB-AD54EA44376B> /usr/lib/system/libsystem_notify.dylib
0x7fff94168000 - 0x7fff945bafef com.apple.vImage (8.0 - 8.0) <ACD86E88-A9F7-3E95-BA51-4208E2D879B8> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
0x7fff9469e000 - 0x7fff946a0ff7 libquarantine.dylib (73) <EE50CAE5-1596-3344-8760-579EFAF176F2> /usr/lib/system/libquarantine.dylib
0x7fff94f92000 - 0x7fff94fe6fff libc++.1.dylib (120) <C6EFD658-B948-36F4-905D-A9780797D0D1> /usr/lib/libc++.1.dylib
0x7fff9556f000 - 0x7fff95580fff libsystem_coretls.dylib (29) <B95FEAC8-6C16-382A-BE5C-5B34F6A4E8FD> /usr/lib/system/libsystem_coretls.dylib
0x7fff9574c000 - 0x7fff958d9fff libBLAS.dylib (1119) <93F54197-FEA7-31A1-B960-CCD78F87702E> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
0x7fff95ce4000 - 0x7fff95ce4ff7 liblaunch.dylib (496.0.0.0.4) <25D0EE80-85D2-379D-BF76-09B417C0FD19> /usr/lib/system/liblaunch.dylib
0x7fff95d83000 - 0x7fff95d88ff7 libmacho.dylib (861) <BF14A7C8-2711-38E7-B05E-6AE66D5323CA> /usr/lib/system/libmacho.dylib
0x7fff961f6000 - 0x7fff96207ff7 libz.1.dylib (55) <68DE8C8A-0320-3269-AABF-D26D73F50001> /usr/lib/libz.1.dylib
0x7fff96564000 - 0x7fff96565fff libDiagnosticMessagesClient.dylib (100) <9F8277CE-07E0-39CD-A2EE-581D02EBE58B> /usr/lib/libDiagnosticMessagesClient.dylib
0x7fff96672000 - 0x7fff9669aff3 libsystem_info.dylib (456) <E997A3CF-82FE-36F5-B246-3E73C98BEE02> /usr/lib/system/libsystem_info.dylib
0x7fff96a65000 - 0x7fff96a66fff libsystem_secinit.dylib (16) <F2CA96CB-D627-3407-830C-E2E1D48E457B> /usr/lib/system/libsystem_secinit.dylib
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 203216
thread_create: 0
thread_set_state: 493
VM Region Summary:
ReadOnly portion of Libraries: Total=100.7M resident=15.8M(16%) swapped_out_or_unallocated=85.0M(84%)
Writable regions: Total=31.9M written=8868K(27%) resident=11.9M(37%) swapped_out=0K(0%) unallocated=20.0M(63%)
REGION TYPE VIRTUAL
=========== =======
Kernel Alloc Once 4K
MALLOC 23.3M
MALLOC (admin) 16K
STACK GUARD 56.0M
Stack 8192K
VM_ALLOCATE 16K
__DATA 2080K
__LINKEDIT 74.3M
__TEXT 26.4M
__UNICODE 544K
shared memory 4K
=========== =======
TOTAL 190.7M
Model: MacBookPro5,4, BootROM MBP53.00AC.B03, 2 processors, Intel Core 2 Duo, 2.53 GHz, 8 GB, SMC 1.49f2
Graphics: NVIDIA GeForce 9400M, NVIDIA GeForce 9400M, PCI, 256 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1067 MHz, 0x857F, 0x483634353155363446373036364700000000
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1067 MHz, 0x857F, 0x483634353155363446373036364700000000
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8D), Broadcom BCM43xx 1.0 (5.106.98.100.24)
Bluetooth: Version 4.3.0d49 14130, 3 services, 24 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: Samsung SSD 840 EVO 750GB, 750.16 GB
Serial ATA Device: MATSHITADVD-R UJ-868
USB Device: Built-in iSight
USB Device: Internal Memory Card Reader
USB Device: Apple Internal Keyboard / Trackpad
USB Device: IR Receiver
USB Device: BRCM2046 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus:
编辑：来自gdb的堆栈跟踪： http://pastebin.com/ncx5fTRg （达到SO问题大小限制）。
感谢。