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Full Discussion: Help with Signals
Top Forums UNIX for Advanced & Expert Users Help with Signals Post 302843804 by jim mcnamara on Thursday 15th of August 2013 07:24:51 AM
Old 08-15-2013
Interrupt is interesting here. SIGINT will generate that response as it is the name most systems "give" to that signal number (note: actual number may vary)

Code:
/usr/include/cygwin/signal.h:#define    SIGINT  2       /* interrupt */

from the cygwin install on this PC.

This is different from a driver interrupt - where a thread's current registers are pushed onto an interrupt stack. This appears to be a signal. And signals do cause asynchronous interrupts and process termination if they are not handled as part of the process signal mask.

IMO: The problem is the code being executed. The point is something appears to be generating a SIGINT that goes unhandled in the process.

Since you state nothing about what is running....

Add a diagnostic signal handler to the code java, C, perl, etc., ( or a trap statement in shell) to tell when/where it happens. Also note - a process can call raise() in code or kill in shell to send a signal to itself, which is another avenue to explore.
 

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LEARN ABOUT HPUX

pause

pause(2)							System Calls Manual							  pause(2)

NAME

       pause - suspend process until signal

SYNOPSIS

DESCRIPTION

       suspends  the  calling  process	until  it  receives  a	signal.  The signal must be one that is not currently set to be ignored or blocked
       (masked) by the calling process.

       If the signal causes termination of the calling process, does not return.

       If the signal is by the calling process and control is returned from the signal-catching function  (see	signal(5)),  the  calling  process
       resumes execution from the point of suspension; with a return value of -1 from and set to

APPLICATION USAGE

   Threads Considerations
       Signal dispositions (such as catch/default/ignore) are shared by all threads in the process and blocked signal masks are maintained by each
       thread.	Therefore, the signals being waited for should not be ignored by the process or blocked by the calling thread.

       will suspend only the calling thread until it receives a signal.

       If other threads in the process do not block the signal, the signal may be delivered to another thread in the process and the thread in may
       continue waiting.  For this reason, the use of is recommended instead of for multi-threaded applications.

       For more information regarding signals and threads, refer to signal(5).

SEE ALSO

       alarm(2), kill(2), sigwait(2), wait(2), signal(5).

STANDARDS CONFORMANCE

																	  pause(2)
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