semaphores

semaphores

1. c and semaphores in ipc/sem

c和信号灯位于ipc/sem.

2. A futex (short for "fast userspace mutex") is a basic tool to realize locking and building higher-level locking abstractions such as semaphores and POSIX mutexes on Linux.

futex("快速用户区互斥"的简称)是一个在Linux上实现锁定和构建高级抽象锁如信号量和POSIX互斥的基本工具。

3. RTLinux is a hard real-time operating system running in a single node. It provides many mechanisms of IPC(interprocess communication) such as message queues,semaphores and RT-fifo.

RTLinux是一个具有硬实时性能的单机实时操作系统 ,它提供了多种进程间通信机制 ,如信号量、消息队列和RT fifo等。

4. The SemaphoreAuditRule class is one of a set of classes that the.NET Framework provides for managing Windows access control security on named system semaphores.

SemaphoreAuditRule类是.NET Framework提供用于管理命名的系统信号量的Windows访问控制安全性的一组类之一。

5. Windows semaphores are counting semaphores, which can be used to control access to a pool of resources.

Windows信号量是计数信号量,可用于控制对资源池的访问。

6. Windows access control security is meaningful only for named system semaphores.

Windows访问控制安全性仅对命名的系统信号量有意义。

7. A mechanism used by tasks andinterrupt service routines to share information and synchronize theiraccess to shared resources. The most common building blocks ofintertask communication are semaphores and mutexes.

一种被用来在任务和中断服务程序之间共享信息和同步它们对共享资源访问的机制。大部分进程间通讯的建立的基石是信号灯和互斥。

8. To prevent undetectable oveI rflow conditions, the kernel imposes a maximumvalue limit beyond which semaphores cannot be incremented.

为了防止无法检测的溢出情况，系统内核规定了一个最大值的极限，超过了这个值信号量就不能被增加了。

9. A binary semaphore can good way of implementing semaphores.

二进制信号量能的好方法执行信号量。

10. Binary semaphores act much like mutexes, while counting semaphores can behave as recursive mutexes.

二进制信号量运作起来类似于互斥锁，而计数信号量类似递归的互斥锁。

11. The mutexes, also known as binary semaphores (we choose to not use this terminology to avoid confusion with counting semaphores), are the mechanism intended as general solution for Mutual Exclusion.

互斥锁，也被称为二元信号量（我们不使用这个术语来避免与计数信号量混淆），是用来解决互斥问题的专用机制。

12. But the FIFO scheme provides a pretty good way of implementing semaphores.

但FIFO的计划提供了一个不错的方式执行信号量。

13. Threads that share common resources, however, must coordinate their work by using semaphores or another method of interprocess communication.

但是,共享公共资源的线程必须通过使用信号灯或另一进程间通讯方法来协调它们的工作。

14. Protecting semaphores with access control security helps prevent malicious attacks, but does not solve the problem of unintentional name collisions.

使用访问控制安全机制保护信号量可帮助阻止恶意攻击,但无法解决意外发生的名称冲突问题。

15. The Application of Semaphores in Serial Communication with Multithread

信号灯在多线程串行通讯中的应用

16. Semaphores are usually provided by the operating system.

信号灯常常由操作系统提供。

17. Semaphores do not implement the Priority Inheritance algorithm.

信号量不会实现优先级继承。

18. Semaphores cannot have negative(lessM than zero) values.

信号量不能是负值（小于0）。

19. A widely used mechanism, effective in both uniprocessor and multiprocessor systems, relies on the use of semaphores .

信号量作为一种同步机制，在单处理器和多处理器系统里都是有效的，因而得到广泛使用。

20. Semaphores and reader-writer locks are designed to control this kind of pooled resource access.

信号量和读写器锁旨在控制此类池资源访问。

21. Semaphores and Process Mutual Exclusion

信号量和进程互斥

22. Semaphores are more common in multiprocess programming (i.e. it's usually used as a synch primitive between processes).

信号量在多进程编程中更为普遍（比如，它经常作为一种进程间的同步方法来使用）。

23. Semaphores must be initialized before use. Scull performs this initialization at load time in this loop

信号量在被使用之前必须初始化。scull在模块加载期间通过以下循环进行初始化操作

24. Semaphores provide low-level synchronization between processes so that only one process has access to the shared segment, thereby ensuring the integrity of that shared resource.

信号量提供了进程间的低级同步,使得只有一个进程可以访问共享段,从而确保共享段的完整性。

25. Semaphores are a mechanism for inter-task communication and interrupt-task communication.

信号量是任务间或任务与中断见通讯的机制。

26. Semaphores are another type of synchronization primitive that come in two flavors: binary and counting.

信号量是又一种以两种风格出现的基本方法:二进制和计数模式。

27. Semaphores are lighter than mutexes because their queues are FIFO ordered and do not have any overhead caused by the priority inheritance algorithm.

信号量比互斥锁轻量级，因为它们的队列是FIFO排序的并且不会因优先级继承而产生任何开销。

28. Semaphore queues are FIFO ordered by default, an option exist to make them priority ordered but this can impact I/O performance because semaphores are used in I/O queues.

信号量队列默认是以FIFO的顺序排序的，可以通过已有的选项来使其以优先级排序，不过由于信号量会在I/O队列中使用，这样会影响I/O表现。

29. The other problems are semaphores under Solaris and Threads under Win32;

其它的问题有在Solaris下的信号器（semaphores）还有在Win32下的线程；

30. Because named semaphores are system wide, it is possible to have multiple Semaphore objects that represent the same named semaphore.

因为命名信号量是针对整个系统范围的,所以可以具有多个表示同一命名信号量的。

31. In multiprocessor systems, semaphores are not always the best solution to the synchronization problems.

在多处理器系统中，信号量并不是同步问题的最佳解决方案。

32. With every tick, the process will run, do work and, optionally, set other semaphores to signal other processes that it is time to do work.

在每一个时间片到来时，该进程就运行，作业并有必要时置位其他的信号量来通知相应进程准备运行。

33. Design of on-line measures for new LED semaphores based on CAN bus

基于CAN总线的新型LED信号机状态在线检测的设计

34. Almost free as code size, you need no semaphores nor mutexes.

基本上没有代码空间开销，你不需要信号量或互斥锁。

35. The most common building blocks of intertask communication are semaphores and mutexes.

大部分历程间通信的创建的基石是信号灯和互斥。

36. The semaphores code is "already there" if you use the I/O queues and you don't want to enable the mutexes too because space constraints.

如果你使用I/O队列并且因为空间限制而不想使用互斥锁时，信号量代码“已经在那里”了。

37. Though semaphores are not directly supported in the Java language, they are easily implemented on top of object locks.

尽管信号量并未直接被Java语言所支持,却很容易在给对象上锁的基础上实现。

38. Switch arrows and signals of semaphores and transport costly presents from one station to another.

开关箭头及信号的信号量和运输费用昂贵礼物，从一站到另一。

39. Cannot request exclusive semaphores at interrupt time.

无法在中断时请求独占的信号灯。

40. To that end, the threading module provides a number of synchronization primitives including locks, events, condition variables, and semaphores.

最终，线程模块提供了几个基本的同步方式如锁、事件，条件变量和旗语。

41. 8. that derives from the power of queueing semaphores.

消息队列是个从信号量队列引申出的简单的概念。

42. The semaphores can, however, be used as simple mutexes by initializing counter to one.

然而，通过初始化为1，信号量也可以用来作为简单的互斥锁。

43. A data structure that is used for intertask synchronization. Semaphores are usually provided by the operating system.

用于进程间同步的数据结构。信号灯常常由操作系统提供。

44. electrically operated stop semaphores

电控停止信号机

45. Typical program resources are open files, semaphores, and dynamically allocated memory.

程序资源通常有打开的文件、信号灯和动态分配的内存。

46. SEMMNS maximum number of semaphores in the system

系统中信号灯的最大数目

47. Combination of shared memory, semaphores, and simulation of P, V operation, there are two procedures, one is writing, one is the read out display

结合共享内存,信号量,并模拟P,V操作,有两个程序,一个是写,一个是读出来显示

48. Counting semaphores can be initialized to any arbitrary value which should depend on how many resources you have available for that particular shared data.

计数信号量可以初始化为任意的初始值，这个值应该由你所拥有的某种特定共享数据的数量决定。

49. The design or a subset of it was implemented under several different Real Time Operating systems using RTOS specific message queues,semaphores and a timer interrupt.

设计以若干（种）使用RTOS特殊消息队列、消息发送及计时器中断的实时操作系统为基准。

50. It gives particulars about how to split an application into separate tasks,assign priorities to tasks,use kernel services, such as semaphores,message mailboxes,message queues,time delays, etc.

详细阐述了如何将一项工作划分为多个任务，怎样给任务分配优先级，如何使用内核提供的系统功能，如信号量、消息邮箱、消息队列、时间延迟等。

51. These extensions include facilities such as semaphores, memory locking, clocks and timers, message queues, and preemptive prioritized scheduling.

这些扩展包括设施，如信号量，内存锁定，时钟和定时器，消息队列，和先发制人的轻重缓急调度。

52. Interprocess communication is not allowed. This includes pipes, semaphores, and shared memory.

进程内通讯不可以。这包括管道,信号,和共享内存。

53. 2. Interprocess communication is not allowed. This includes pipes, semaphores, and shared memory.

进程内通讯不可以。这包括管道，信号，和共享内存。

54. L23 - Communicating Processes: Semaphores, Synchronization, Atomicity, Deadlock R24

通讯程序：发信，同步化，单元性，死结