ncnn 支持多线程吗？

[ronyuzhang]

No description provided.

[ronyuzhang]

在安卓上， 我把包含native方法的对象传给线程，在线程中进行detection的操作， 不过会报错

[ronyuzhang]

error as follows：

2018-10-15 23:33:58.824 30890-30931/com.example.mm.mobilenetssd A/libc: Fatal signal 6 (SIGABRT), code -6 in tid 30931 (Thread-6)
2018-10-15 23:33:58.901 31185-31185/? A/DEBUG: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
2018-10-15 23:33:58.901 31185-31185/? A/DEBUG: Build fingerprint: 'Android/sl3399/sl3399:7.1.2/NHG47K/pengbi08140945:userdebug/test-keys'
2018-10-15 23:33:58.901 31185-31185/? A/DEBUG: Revision: '0'
2018-10-15 23:33:58.901 31185-31185/? A/DEBUG: ABI: 'arm'
2018-10-15 23:33:58.901 31185-31185/? A/DEBUG: pid: 30890, tid: 30931, name: Thread-6 >>> com.example.zhangyao.mobilenetssd <<<
2018-10-15 23:33:58.902 31185-31185/? A/DEBUG: signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
2018-10-15 23:33:58.902 31185-31185/? A/DEBUG: r0 00000000 r1 000078d3 r2 00000006 r3 00000008
2018-10-15 23:33:58.902 31185-31185/? A/DEBUG: r4 bdb94978 r5 00000006 r6 bdb94920 r7 0000010c
2018-10-15 23:33:58.902 31185-31185/? A/DEBUG: r8 bdb93d0c r9 bdb93aa8 sl 00030005 fp ca8522d8
2018-10-15 23:33:58.902 31185-31185/? A/DEBUG: ip 0000000b sp bdb93a18 lr eeb2a5f7 pc eeb2ce54 cpsr 20050010
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: backtrace:
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #00 pc 00049e54 /system/lib/libc.so (tgkill+12)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #1 pc 000475f3 /system/lib/libc.so (pthread_kill+34)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #2 pc 0001d8a5 /system/lib/libc.so (raise+10)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #3 pc 000193f1 /system/lib/libc.so (__libc_android_abort+34)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #4 pc 00017034 /system/lib/libc.so (abort+4)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #5 pc 0008ec17 /data/app/com.example.zhangyao.mobilenetssd-1/lib/arm/libnative-lib.so (__kmp_abort_process+30)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #6 pc 0008a11d /data/app/com.example.zhangyao.mobilenetssd-1/lib/arm/libnative-lib.so (__kmp_msg+300)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #7 pc 000934ed /data/app/com.example.zhangyao.mobilenetssd-1/lib/arm/libnative-lib.so (_Z30__kmp_register_library_startupv+340)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #8 pc 0008dd99 /data/app/com.example.zhangyao.mobilenetssd-1/lib/arm/libnative-lib.so
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #9 pc 0008dd5b /data/app/com.example.zhangyao.mobilenetssd-1/lib/arm/libnative-lib.so (__kmp_get_global_thread_id_reg+90)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #10 pc 0007e5fd /data/app/com.example.zhangyao.mobilenetssd-1/lib/arm/libnative-lib.so (__kmpc_fork_call+32)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #11 pc 0001c635 /data/app/com.example.zhangyao.mobilenetssd-1/lib/arm/libnative-lib.so
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #12 pc 00019c9b /data/app/com.example.zhangyao.mobilenetssd-1/lib/arm/libnative-lib.so (Java_com_example_zhangyao_mobilenetssd_SSDNcnn_DetectV2+146)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #13 pc 000ae399 /system/lib/libart.so (art_quick_generic_jni_trampoline+40)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #14 pc 000a99c1 /system/lib/libart.so (art_quick_invoke_stub_internal+64)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #15 pc 00405281 /system/lib/libart.so (art_quick_invoke_stub+232)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #16 pc 000b0c55 /system/lib/libart.so (_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+136)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #17 pc 001ed0d5 /system/lib/libart.so (_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPKNS_7DexFile8CodeItemEPNS_11ShadowFrameEPNS_6JValueE+200)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #18 pc 001e7685 /system/lib/libart.so (_ZN3art11interpreter6DoCallILb0ELb0EEEbPNS_9ArtMethodEPNS_6ThreadERNS_11ShadowFrameEPKNS_11InstructionEtPNS_6JValueE+492)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #19 pc 003fccb7 /system/lib/libart.so (MterpInvokeVirtual+430)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #20 pc 0009c814 /system/lib/libart.so (ExecuteMterpImpl+14228)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #21 pc 001ca9af /system/lib/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadEPKNS_7DexFile8CodeItemERNS_11ShadowFrameENS_6JValueEb+290)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #22 pc 001cf481 /system/lib/libart.so (_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadEPKNS_7DexFile8CodeItemEPNS_11ShadowFrameE+92)
2018-10-15 23:33:58.914 31185-31185/? A/DEBUG: #23 pc 003f4787 /system/lib/libart.so (artQuickToInterpreterBridge+706)
2018-10-15 23:33:58.915 31185-31185/? A/DEBUG: #24 pc 000ae413 /system/lib/libart.so (art_quick_to_interpreter_bridge+34)
2018-10-15 23:33:58.915 31185-31185/? A/DEBUG: #25 pc 000a99c1 /system/lib/libart.so (art_quick_invoke_stub_internal+64)
2018-10-15 23:33:58.915 31185-31185/? A/DEBUG: #26 pc 00405281 /system/lib/libart.so (art_quick_invoke_stub+232)
2018-10-15 23:33:58.915 31185-31185/? A/DEBUG: #27 pc 000b0c55 /system/lib/libart.so (_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+136)
2018-10-15 23:33:58.915 31185-31185/? A/DEBUG: #28 pc 00315e81 /system/lib/libart.so (_ZN3artL18InvokeWithArgArrayERKNS_33ScopedObjectAccessAlreadyRunnableEPNS_9ArtMethodEPNS_8ArgArrayEPNS_6JValueEPKc+56)
2018-10-15 23:33:58.915 31185-31185/? A/DEBUG: #29 pc 00316c4d /system/lib/libart.so (_ZN3art35InvokeVirtualOrInterfaceWithJValuesERKNS_33ScopedObjectAccessAlreadyRunnableEP8_jobjectP10_jmethodIDP6jvalue+256)
2018-10-15 23:33:58.915 31185-31185/? A/DEBUG: #30 pc 0032dddd /system/lib/libart.so (_ZN3art6Thread14CreateCallbackEPv+848)
2018-10-15 23:33:58.915 31185-31185/? A/DEBUG: #31 pc 000470c3 /system/lib/libc.so (_ZL15__pthread_startPv+22)
2018-10-15 23:33:58.915 31185-31185/? A/DEBUG: #32 pc 00019e3d /system/lib/libc.so (__start_thread+6)
2018-10-15 23:
@nihui

[JSnobody]

我记得是支持的

[nihui]

支持的，ncnn repo 里的 squeezencnn 例子用了多线程