sigaltstack.2 (2010 09)

s
sigaltstack(2) sigaltstack(2)
perror("sigaltstack");
In some implementations, a signal (whether or not indicated to execute on the alternate stack) will always
execute on the alternate stack if it is delivered while another signal is being caught using the alternate
stack.
On some implementations, stack space is automatically extended as needed. On those implementations,
automatic extension is typically not available for an alternate stack. If the stack overflows, the behavior is
undefined.
Threads Considerations
Each thread may define an alternate signal handling stack.
LWP (Light Weight Processes) Considerations
Each LWP may define an alternate signal handling stack.
SEE ALSO
sigaction(2), setjmp(3C), <signal.h>.
CHANGE HISTORY
First released in Issue 4, Version 2.
2 Hewlett-Packard Company − 2 − HP-UX 11i Version 3: September 2010