OS-IPC

本文介绍了进程间通信(IPC)的概念及常见方式,包括管道、消息队列、信号量、共享存储、Socket 和 Streams等,并特别指出Socket 和 Streams 支持跨主机的进程间通信。

进程间通信(IPC,InterProcess Communication)是指在不同进程之间传播或交换信息。

IPC的方式通常有管道(包括无名管道和命名管道)、消息队列、信号量、共享存储、Socket、Streams等。其中 Socket和Streams支持不同主机上的两个进程IPC。

参考链接:
http://blog.youkuaiyun.com/lady_lili/article/details/52369655

OS-互斥量 信号量

# cat /proc/ion_process_info | grep hishell ei.hmos.hishell 16431 70 10104832 4269 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 77 10104832 4252 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 91 10104832 4253 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 93 10104832 2283 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 95 10104832 22357 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 100 10104832 1868 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 109 10104832 22361 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 111 10104832 1869 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 113 10104832 1909 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 119 10104832 4261 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 121 10104832 1894 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 127 10104832 2293 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 130 10104832 4270 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 134 10104832 2303 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 135 10104832 1895 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 138 10104832 4262 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 141 10104832 33830 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 142 10104832 2294 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 144 10104832 22403 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 157 10104832 12535 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 159 10104832 28724 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 161 10104832 33850 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 174 10104832 32836 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 175 10104832 30839 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 177 10104832 2307 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 181 10104832 22729 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 182 10104832 4272 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 185 10104832 2320 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 188 10104832 24220 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 204 10104832 2321 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 205 10104832 24219 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 208 10104832 2322 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 210 10104832 33851 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 212 10104832 24221 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 214 10104832 33858 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 216 10104832 33859 1589 14293 allocato-OS_IPC_3 0 0 0 ei.hmos.hishell 16431 219 10104832 26472 1589 14294 allocato-OS_IPC_4 0 0 0 Total ION usage for ei.hmos.hishell is 373878784 这个怎么体现ION内存率
11-20
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