08-14-2007
Quote:
Originally Posted by
porter
Often optimizations are incompatible with debuggers because optimizers will re-organize variables on the stack for efficiency, um, basically optimizing the thing.
Optimizers are more aggressive and less forgiving of dodgy code.
Also, if you are using C++ libraries, have these been built with the same optimizations?
Use maximum warning and errors during compilation, for HPUX compilers I use "-Aa -D_HPUX_SOURCE +e +We".
Try GCC and see if that exposes anything, again use "-Wall -Werror".
Thank you, porter!
I tried -Aa option. The code won't compile, it complains about the inline statements we have in our code. Apparently, there's a reason why the -AA flag is used. All libraries are built with the same options.
It's weird to see that -g option is not compatible with -O (a typical optimization option).
The aCC man page says that +O2 optimization option is the same as +O1 optimization plus global optimization. What the "global optimization" means in this case? Are there any specific things I have to check in my code for that cause the crash with +O2 option, but not +O1?
Thank you in advance.
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LEARN ABOUT X11R4
showmount
showmount(1M) System Administration Commands showmount(1M)
NAME
showmount - show remote mounts
SYNOPSIS
/usr/sbin/showmount [-ade] [hostname]
DESCRIPTION
showmount lists the clients that have remotely mounted a filesystem from host. This information is maintained by the mountd(1M) server on
host, and is saved across crashes in the file /etc/rmtab. The default value for host is the value returned by hostname(1).
The showmount command does not display the names of NFS Version 4 clients.
OPTIONS
-a Print all remote mounts in the format:
hostname : directory
where hostname is the name of the client, and directory is the root of the file system that has been mounted.
-d List directories that have been remotely mounted by clients.
-e Print the list of shared file systems.
FILES
/etc/rmtab
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnfscu |
+-----------------------------+-----------------------------+
SEE ALSO
hostname(1), mountd(1M), attributes(5)
Solaris 10 Installation Guide: Basic Installations
BUGS
If a client crashes, its entry will not be removed from the list of remote mounts on the server.
SunOS 5.10 26 Oct 2004 showmount(1M)