100+ Int shmid PowerPoint (PPT) Presentations, Int shmid PPTs

Int shmid - PowerPoint PPT Presentation

1-1. Executing a New Program

1-1. Executing a New Program. Exec : replaces the current process with the new program. execlp. execl. execle. create argv. create argv. create argv. execvp. execv. execve. convert file to path. add envp. system call. 1-2. ????? ?? : exit(). _exit. user functions.

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443 views • 33 slides

Shared Memory

Shared Memory. Motivation. Shared memory allows two or more processes to share a given region of memory -- this is the fastest form of IPC because the data does not need to be copied between the client and server

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285 views • 16 slides

IPC mechanisms

IPC mechanisms. Pipes Sockets System V IPC Message Queues Semaphores Shared Memory. Identifiers and Keys Each IPC structure (message queue, semaphore, or share memory segment) is identified by a nonnegative integer identifier . Similar to a file descriptor, but can be a large value.

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343 views • 12 slides

Shared memory ????

Shared memory ????. Segmentation fault. ????????????? segmentation fault ??????? shmget () ???????? ??????????????????????? ? ?? shared memory ????????? ??????????????????????????????????????????????????????? ?. ?????????. ??????????????? (bsd1~6 or linux1~6) ?? ??. Shared Memory.

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279 views • 7 slides

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Int shmid - PowerPoint PPT Presentation

1-1. Executing a New Program

Shared Memory

IPC mechanisms

Shared memory ????