Hi,
The flag basically means that memory traps don't get forwarded to the
application. So the kernel still gets to handle the trap, but the app
won't segfault if you access a bad address.
The option is basically to allow the compiler to use speculative memory
accesses.
Regards,
Darryl.
On 3/28/2010 2:42 PM, ольга крыжановская wrote:
Does -xsafe=mem work with mmap() for files? From the documentation it
says that -xsafe=mem turns of the memory traps. Does that include
traps used by the kernel to serve files mapped into mmap() into the
process address space?
Olga
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