python多进程共享内存，,from multi

python多进程共享内存，,from multi

from multiprocessing import Process,Manager,Lockimport osimport timedef run_proc(dict,slip,lock):    tmp=dict[slip].copy()    for k in dict[slip]:        tmp[k]=k+tmp[k]    print(‘Run child process{ch}... ‘.format(ch=os.getpid()))    with lock:        dict[slip]=tmpif __name__ == ‘__main__‘:    print(‘Parent process %s.‘ % os.getpid())    dict=[{‘1‘:‘a‘,‘2‘:‘b‘,‘3‘:‘c‘},{‘4‘:‘d‘,‘5‘:‘e‘,‘6‘:‘f‘},{‘7‘:‘g‘,‘8‘:‘h‘,‘9‘:‘i‘},{‘10‘:‘j‘,‘11‘:‘k‘,‘12‘:‘l‘}]    m = Manager()    share_ls = m.list()    for d in dict:        share_ls.append(d)    print(share_ls)    processes = list()    lock = Lock()#多进程锁    for i in range(len(dict)):        p = Process(target=run_proc, args=(share_ls,i,lock))        p.start()        processes.append(p)    for p in processes:        p.join()    print(‘Process end.‘)    print(share_ls)

python多进程共享内存