properties属性名称不能超过31个字符 properties属性值不能超过91个字符 整个系统properties共享内存大小128K bionic\libc\include\sys\system_properties.h bionic\libc\include\sys\_system_properties.h bionic\libc\bionic\system_properties.c map_prop_area_rw() { pa = mmap(NULL, pa_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); } http://blog.csdn.net/haima1998/article/details/46351547 |
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