我有一个用 C 编写的服务器，每当有新客户端连接时，它就会产生一个新线程。为了测试我的服务器，我编写了一个模拟 500 个客户端的脚本。服务器处理前几百个客户端，最后我从 Valgrind 收到以下错误：
Thread 456: status = VgTs_WaitSys
==4182== at 0x4E383EC: recv (recv.c:34)
==4182== by 0x4017F1: process_data (socket2.h:45)
==4182== by 0x40195E: thread (FBServer.c:82)
==4182== by 0x4E30A03: start_thread (pthread_create.c:300)
==4182== by 0x532DD4C: clone (clone.S:112)
Thread 457: status = VgTs_WaitSys
==4182== at 0x4E383EC: recv (recv.c:34)
==4182== by 0x4017F1: process_data (socket2.h:45)
==4182== by 0x40195E: thread (FBServer.c:82)
==4182== by 0x4E30A03: start_thread (pthread_create.c:300)
==4182== by 0x532DD4C: clone (clone.S:112)
...
Thread 499: status = VgTs_WaitSys
==4182== at 0x4E383EC: recv (recv.c:34)
==4182== by …