我正在尝试检查我的代码中的内存泄漏,而 valgrind 显示了许多错误。因为我以前从未使用过 valgrind,所以我需要帮助。首先,我专注于默认的 gtk 调用。按照编码,内存从 mkbib.c 的第 140 行泄漏。但第 140 行只是
gtk_init(&argc, &argv);
我用过
G_SLICE=always-malloc G_DEBUG=gc-friendly valgrind --tool=memcheck
--leak-check=full --leak-resolution=high --num-callers=20
--log-file=vgdump --suppressions=gtk.suppression ./mkbib
其中与 gtk.suppression 一起取自valgrind-gnome Live
==28420== 16 bytes in 1 blocks are definitely lost in loss record 2,413 of 10,955
==28420== at 0x4A0887C: malloc (vg_replace_malloc.c:270)
==28420== by 0x310CA4D68E: g_malloc (in /usr/lib64/libglib-2.0.so.0.3400.2)
==28420== by 0x311C611176: ??? (in /usr/lib64/libatk-bridge-2.0.so.0.0.0)
==28420== by 0x311C60C19D: atk_bridge_adaptor_init (in /usr/lib64/libatk-bridge-2.0.so.0.0.0)
==28420== by 0x311D50257B: ??? (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38D6FA: ??? (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x310CA52FB6: g_option_context_parse (in /usr/lib64/libglib-2.0.so.0.3400.2)
==28420== by 0x311D38DBCD: gtk_parse_args (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38DC28: gtk_init_check (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38DC58: gtk_init (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x403F65: main (mkbib.c:140)
==28420==
==28420== 16 bytes in 1 blocks are definitely lost in loss record 2,414 of 10,955
==28420== at 0x4A0887C: malloc (vg_replace_malloc.c:270)
==28420== by 0x310CA4D68E: g_malloc (in /usr/lib64/libglib-2.0.so.0.3400.2)
==28420== by 0x311C611176: ??? (in /usr/lib64/libatk-bridge-2.0.so.0.0.0)
==28420== by 0x311C60C1DD: atk_bridge_adaptor_init (in /usr/lib64/libatk-bridge-2.0.so.0.0.0)
==28420== by 0x311D50257B: ??? (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38D6FA: ??? (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x310CA52FB6: g_option_context_parse (in /usr/lib64/libglib-2.0.so.0.3400.2)
==28420== by 0x311D38DBCD: gtk_parse_args (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38DC28: gtk_init_check (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38DC58: gtk_init (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x403F65: main (mkbib.c:140)
==28420==
==28420== 24 bytes in 1 blocks are possibly lost in loss record 3,468 of 10,955
==28420== at 0x4A0887C: malloc (vg_replace_malloc.c:270)
==28420== by 0x310CA4D68E: g_malloc (in /usr/lib64/libglib-2.0.so.0.3400.2)
==28420== by 0x310CA63F65: g_memdup (in /usr/lib64/libglib-2.0.so.0.3400.2)
==28420== by 0x310D22D274: ??? (in /usr/lib64/libgobject-2.0.so.0.3400.2)
==28420== by 0x310D22DFCC: g_type_class_ref (in /usr/lib64/libgobject-2.0.so.0.3400.2)
==28420== by 0x311D5022C7: ??? (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311A6154C8: atk_add_focus_tracker (in /usr/lib64/libatk-1.0.so.0.20609.1)
==28420== by 0x311D502567: ??? (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38D6FA: ??? (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x310CA52FB6: g_option_context_parse (in /usr/lib64/libglib-2.0.so.0.3400.2)
==28420== by 0x311D38DBCD: gtk_parse_args (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38DC28: gtk_init_check (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38DC58: gtk_init (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x403F65: main (mkbib.c:140)
==28420==
==28420== 24 bytes in 1 blocks are possibly lost in loss record 3,469 of 10,955
==28420== at 0x4A06B6F: calloc (vg_replace_malloc.c:593)
==28420== by 0x310CA4D6E6: g_malloc0 (in /usr/lib64/libglib-2.0.so.0.3400.2)
==28420== by 0x310D22DF00: g_type_class_ref (in /usr/lib64/libgobject-2.0.so.0.3400.2)
==28420== by 0x310D22DD4E: g_type_class_ref (in /usr/lib64/libgobject-2.0.so.0.3400.2)
==28420== by 0x310D21E7BF: g_param_spec_flags (in /usr/lib64/libgobject-2.0.so.0.3400.2)
==28420== by 0x311D4C27BB: ??? (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x310D22E0B5: g_type_class_ref (in /usr/lib64/libgobject-2.0.so.0.3400.2)
==28420== by 0x311D5022C7: ??? (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311A6154C8: atk_add_focus_tracker (in /usr/lib64/libatk-1.0.so.0.20609.1)
==28420== by 0x311D502567: ??? (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38D6FA: ??? (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x310CA52FB6: g_option_context_parse (in /usr/lib64/libglib-2.0.so.0.3400.2)
==28420== by 0x311D38DBCD: gtk_parse_args (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38DC28: gtk_init_check (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x311D38DC58: gtk_init (in /usr/lib64/libgtk-3.so.0.600.4)
==28420== by 0x403F65: main (mkbib.c:140)
我发现一些讨论认为 valgrind 不能很好地检测 gtk 中的内存泄漏。这是我应该忽略的这种情况之一吗?或者我错过了什么?
我所涉及的系统是:
- gtk3-devel-3.6.4-1.fc18.x86_64
- valgrind-3.8.1-9.fc18.x86_64
- gcc(GCC) 4.7.2 20121109