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Re: [Fwd: Re: patch to ignore SIGPWR and SIGXCPU (used by pthreads)]
- From: Jeff Sturm <jsturm at one-point dot com>
- To: Per Bothner <per at bothner dot com>
- Cc: java at gcc dot gnu dot org
- Date: Mon, 21 Jan 2002 12:28:05 -0500 (EST)
- Subject: Re: [Fwd: Re: patch to ignore SIGPWR and SIGXCPU (used by pthreads)]
On Sun, 20 Jan 2002, Per Bothner wrote:
> My assumption is that the signals used by the gc have
> nothing to do with with whatever signals are used internally
> by the Solaris thread implementation.
Right.
> What does (or should)
> boehm-gc use in the case of user-level threads on Solaris?
Actually the existing solaris threads support uses the LWP API, not
signals. However if/when it is merged with linux_threads.c it'll probably
use RT signals as well.
IIRC the original Linux threads code used SIGUSR1 and SIGUSR2 internally,
and RT signals didn't yet work on Linux, which is why SIGXCPU/SIGPWR were
chosen for the collector.
Jeff