01-20-2006
Trying to read from an illegal memory location will cause this fault. i.e.
Quote:
1. If you fopen a file, it fails and the file pointer returned is NULL and you try to read from that file pointer. This will give you a segmentation fault.
This User Gave Thanks to blowtorch For This Post:
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LEARN ABOUT ULTRIX
pfm_enable_faults
pfm_enable_faults(3ncs) pfm_enable_faults(3ncs)
Name
pfm_enable_faults - enable asynchronous faults
Syntax
#include <idl/c/base.h>
#include <idl/c/pfm.h>
void pfm_$enable_faults()
Description
The routine enables asynchronous faults after they have been inhibited by a call to causes the operating system to pass asynchronous faults
on to the calling process.
While faults are inhibited, the operating system holds at most one asynchronous fault. Consequently, when returns, there can be at most
one fault waiting on the process. If more than one fault was received between routines to and the process receives the first asynchronous
fault received while faults were inhibited.
Diagnostics
This section lists the status codes for errors returned by this routine.
pfm_$bad_rls_order Attempted to release a clean-up handler out of order.
pfm_$cleanup_not_found
There is no pending clean-up handler.
pfm_$cleanup_set A clean-up handler was established successfully.
pfm_$cleanup_set_signalled
Attempted to use pfm_$cleanup_set as a signal.
pfm_$invalid_cleanup_rec
Passed an invalid clean-up record to a routine.
pfm_$no_space Cannot allocate storage for a clean-up handler.
Files
See Also
intro(3ncs), pfm_enable(3ncs), pfm_inhibit_faults(3ncs)
pfm_enable_faults(3ncs)