Linux的共享内存技术

第一个是写数据： /***** testwrite.c *******/ #include #include #include #include typedef struct{ char name[4]; int age; } people; main(int argc, char** argv) { int shm_id,i; key_t key; char temp; people *p_map; char* name = "/dev/shm/myshm2"; key = ftok(name,0); if(key==-1) perror("ftok error&qu...