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comparison src/os/unix/ngx_darwin_init.c @ 4223:1b779cb69dc8

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malloc() debugging on MacOSX.
author Igor Sysoev <igor@sysoev.ru>
date Mon, 24 Oct 2011 15:46:48 +0000
parents 22b05d177dc6
children 003f0f341edf
comparison
equal deleted inserted replaced
4222:2dd6c7cb211a 4223:1b779cb69dc8
11 char ngx_darwin_kern_ostype[16]; 11 char ngx_darwin_kern_ostype[16];
12 char ngx_darwin_kern_osrelease[128]; 12 char ngx_darwin_kern_osrelease[128];
13 int ngx_darwin_hw_ncpu; 13 int ngx_darwin_hw_ncpu;
14 int ngx_darwin_kern_ipc_somaxconn; 14 int ngx_darwin_kern_ipc_somaxconn;
15 u_long ngx_darwin_net_inet_tcp_sendspace; 15 u_long ngx_darwin_net_inet_tcp_sendspace;
16
17 ngx_uint_t ngx_debug_malloc;
16 18
17 19
18 static ngx_os_io_t ngx_darwin_io = { 20 static ngx_os_io_t ngx_darwin_io = {
19 ngx_unix_recv, 21 ngx_unix_recv,
20 ngx_readv_chain, 22 ngx_readv_chain,
51 &ngx_darwin_kern_ipc_somaxconn, 53 &ngx_darwin_kern_ipc_somaxconn,
52 sizeof(ngx_darwin_kern_ipc_somaxconn), 0 }, 54 sizeof(ngx_darwin_kern_ipc_somaxconn), 0 },
53 55
54 { NULL, NULL, 0, 0 } 56 { NULL, NULL, 0, 0 }
55 }; 57 };
58
59
60 void
61 ngx_debug_init()
62 {
63 #if (NGX_DEBUG_MALLOC)
64
65 /*
66 * MacOSX 10.6, 10.7: MallocScribble fills freed memory with 0x55
67 * and fills allocated memory with 0xAA.
68 * MacOSX 10.4, 10.5: MallocScribble fills freed memory with 0x55,
69 * MallocPreScribble fills allocated memory with 0xAA.
70 * MacOSX 10.3: MallocScribble fills freed memory with 0x55,
71 * and no way to fill allocated memory.
72 */
73
74 setenv("MallocScribble", "1", 0);
75
76 ngx_debug_malloc = 1;
77
78 #else
79
80 if (getenv("MallocScribble")) {
81 ngx_debug_malloc = 1;
82 }
83
84 #endif
85 }
56 86
57 87
58 ngx_int_t 88 ngx_int_t
59 ngx_os_specific_init(ngx_log_t *log) 89 ngx_os_specific_init(ngx_log_t *log)
60 { 90 {