From efc6ecab8255beedbe2f2148bb4d1dfeadf335b8 Mon Sep 17 00:00:00 2001 From: Igor Sysoev Date: Mon, 24 Oct 2011 15:46:48 +0000 Subject: malloc() debugging on MacOSX. --- src/os/unix/ngx_darwin_init.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) (limited to 'src/os/unix/ngx_darwin_init.c') diff --git a/src/os/unix/ngx_darwin_init.c b/src/os/unix/ngx_darwin_init.c index 67133198b..c3d1125fc 100644 --- a/src/os/unix/ngx_darwin_init.c +++ b/src/os/unix/ngx_darwin_init.c @@ -14,6 +14,8 @@ int ngx_darwin_hw_ncpu; int ngx_darwin_kern_ipc_somaxconn; u_long ngx_darwin_net_inet_tcp_sendspace; +ngx_uint_t ngx_debug_malloc; + static ngx_os_io_t ngx_darwin_io = { ngx_unix_recv, @@ -55,6 +57,34 @@ sysctl_t sysctls[] = { }; +void +ngx_debug_init() +{ +#if (NGX_DEBUG_MALLOC) + + /* + * MacOSX 10.6, 10.7: MallocScribble fills freed memory with 0x55 + * and fills allocated memory with 0xAA. + * MacOSX 10.4, 10.5: MallocScribble fills freed memory with 0x55, + * MallocPreScribble fills allocated memory with 0xAA. + * MacOSX 10.3: MallocScribble fills freed memory with 0x55, + * and no way to fill allocated memory. + */ + + setenv("MallocScribble", "1", 0); + + ngx_debug_malloc = 1; + +#else + + if (getenv("MallocScribble")) { + ngx_debug_malloc = 1; + } + +#endif +} + + ngx_int_t ngx_os_specific_init(ngx_log_t *log) { -- cgit v1.2.3