Process.setrlimit question

[ara.t.howard]

why does this not blow up?

cfp:~ > cat a.rb
require 'yaml'

factor = 100000000000000000

soft, hard = Process.getrlimit Process::RLIMIT_RSS
y 'soft' => soft, 'hard' => hard

Process.setrlimit Process::RLIMIT_RSS, soft/factor, hard/factor

soft, hard = Process.getrlimit Process::RLIMIT_RSS
y 'soft' => soft, 'hard' => hard

s = 42.chr * (soft + 1)
s[-1]


cfp:~ > sudo ruby a.rb; echo $?
---
hard: 9223372036854775807
soft: 9223372036854775807
---
hard: 92
soft: 92
0


i sort of expect this to get signaled and throw an exception?

cheers

a @ http://drawohara.com/

 

[Daniel Berger]

why does this not blow up?

cfp:~ > cat a.rb
require 'yaml'

factor = 100000000000000000

soft, hard = Process.getrlimit Process::RLIMIT_RSS
y 'soft' => soft, 'hard' => hard

Process.setrlimit Process::RLIMIT_RSS, soft/factor, hard/factor

soft, hard = Process.getrlimit Process::RLIMIT_RSS
y 'soft' => soft, 'hard' => hard

s = 42.chr * (soft + 1)
s[-1]

cfp:~ > sudo ruby a.rb; echo $?
---
hard: 9223372036854775807
soft: 9223372036854775807
---
hard: 92
soft: 92
0

i sort of expect this to get signaled and throw an exception?

What platform?

Dan

 

[ara.t.howard]

What platform?

osx - tiger

a @ http://drawohara.com/

 

[Daniel Berger]

osx - tiger

setrlimit() doesn't work on OS X.

Regards,

Dan

 

[ara.t.howard]

setrlimit() doesn't work on OS X.

well gosh - that'd explain it - doh! ;-)

seriously though - you'd think it'd throw like fork does on windows
though eh?

thanks a bunch!

a @ http://codeforpeople.com/

 

[Daniel Berger]

well gosh - that'd explain it - doh! ;-)

seriously though - you'd think it'd throw like fork does on windows
though eh?

You would think. I've hit other situations like this with OS X, too.

Regards,

Dan