Linux IPC选择？

我有两个进程A和B.A和B有时需要进行通信(双向)以传递信号,消息等.
我已经做了一些关于IPC在 Linux中可用的基础研究,如信号量,消息队列,dbus等.
现在我在决定使用哪一个时感到困惑,谁能告诉我哪个IPC更适合我的应用？

提前致谢

编辑：阐述应用程序. (这是一个嵌入式应用程序)
过程A将监控温度,速度计算等.过程B将驱动电机,读取传感器值(数值)等.有时我需要将信号发送到过程B,告知达到最高温度,因此停止驱动电机.有时需要将从流程A中的传感器读取的数据发送到流程B.像这样,需要跨流程传递数字数据.我在ARM架构中这样做.

解决方法

IPC name      Latency     Throughput   Description
-----------------------------------------------------------------------------------------
Signal        Low          n/a         Can be used only for notification,traditionally-
                                       to push process to change its state

Socket        Moderate     Moderate    Only one mechanism which works for remote nodes,not very fast but universal

D-Bus         High         High        A high-level protocol that increases latency and
                                       reduces throughput compared to when using base
                                       sockets,gains in increased ease of use

Shared        n/a          High        Data saved in-between process runs(due to swapping
memory                                 access time) can have non-constant access latency

Mapped files  n/a          High        Data can be saved in-between device boots

Message      Low           Moderate    Data saved in-between process runs. The message
queue                                  size is limited but there is less overhead
                                       to handle messages

这是一个更好的比较

Comparing Unix/Linux IPC

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