Question about implementation of logging to shm.

Poul-Henning Kamp phk at
Sun Nov 14 02:57:44 CET 2010

In message <AANLkTinLjzU8kdOneArbk419WAgmDgLZ5E4KKX-9De25 at>, Leon
id Vasilyev writes:
>Is there any information about implementation of logging to shared
>memory available?
>I've run varnishd with strace, but can't see any shmget/shmat syscalls
>neither can i find any calls of shm_open().

We don't use SVID SHM, we simply mmap a file and write it there.

Look for "VSL"

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
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Never attribute to malice what can adequately be explained by incompetence.

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