Signal handling rewrite for Linux / i386

Tue Jan 22 02:04:00 GMT 2002

Andrew Haley writes:
 > Bryce McKinlay writes:
 > > Andrew Haley wrote:
 > > 
 > > >+ // Size of a thread's stack
 > > >+ #define STACK_SIZE (1024 * 1024)
 > > 
 > > Is it wise to fix the size of the stack like this? Don't we lose 
 > > something by circumventing the kernel's variable-size/floating stack 
 > > feature? Certainly, it seems that ulimit -s won't be respected (which 
 > > can be useful if you want to run a lot of threads on a 32-bit machine 
 > > and avoid running out of virtual memory).
 > 
 > It's already fixed by linuxthreads at 2 megabytes. Only the main
 > thread's stack is variable sized.
Ignore that.
It's a good idea to allow threads to be variable in size. I welcome
suggestions for a good mechanism.
Andrew.