atrus at atrus.org
Sun Mar 29 01:39:35 EDT 2009
2009/3/28 Jason C. Miller <jason.c.miller at gmail.com>:
> Here's the wierdness. Gettimeofday() is a system call. The internet, man
> page, and common knowledge all support that premise. I have two linux
> machines at home that I'm running this test program on. The gettimeofday()
> call shows up in the ltrace (understandably) of both machines, however, it
> shows up in the strace of only one of them.
> The machine that does NOT show it as a system call is running FC9
> (184.108.40.206-53.fc9.x86_64 #1 SMP).
> The machine that DOES show it as a system call is FC10
> (220.127.116.11-170.2.35.fc10.i686 #1 SMP).
Short version: on x86-64, it's a vsyscall. Longer version:
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