Grex Jellyware Conference

Item 93: SIGINFO for Solaris?

Entered by styles on Mon Oct 1 15:27:58 2007:

I want a program running on Solaris to handle the equivalent of the SIGINFO
signal available on BSD systems.  What is this magic equivalent?  SIGPROF has
the same integer constant, but from what I see online it's used for profiling
user vs. kernel time spent in the Solaris threading system, and I'd rather
not mess with that.

Thank for any ideas.
4 responses total.
#1 of 4 by mcnally on Mon Oct 1 16:13:07 2007:

 Well, there's always SIGUSR1 and SIGUSR2 if you have a need to define 
 signals that have a special meaning to your program.

#2 of 4 by styles on Thu Oct 4 22:06:11 2007:

Unfortunately, the problem is that this is for a native program with a JVM
embedded in it and java depends on SIGUSR1 and SIGUSR2, so I can't mess with
those without breaking everything.

#3 of 4 by mcnally on Thu Oct 4 22:13:08 2007:

 That *is* unfortunate.  And, arguably, bad design on the part of the 
 Java designers.

#4 of 4 by styles on Wed Oct 24 23:06:01 2007:

Well, it's possible that SIGUSR2 is unused by the JVM.  I can confirm for sure
SIGUSR1 *is* used by the JVM.  I can double-check, but I'd still prefer to
do something SIGINFOesque.  Thanks.

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