search for: nonvolatiles

...docs/ExceptionHandling.html#wineh > No variables live in to or out of the funclet can be allocated in registers. I don't think this is quite true. though it might be a useful simplification. Obviously it is true for volatile registers, but I believe the funclet receives a CONTEXT with the nonvolatiles restored. Obviously cumbersome to access, but it lets you enregister them across calls like normal in the "original" function. I haven't seen Visual C++ to such enregistration (nonvolatiles across calls in functions with EH), but you can do it in assembly. nvlocala.asm here ht...

...> No variables live in to or out of the funclet can be allocated in > registers. > > I don't think this is quite true. though it might be a useful > simplification. > Obviously it is true for volatile registers, but I believe the funclet > receives a CONTEXT > with the nonvolatiles restored. Obviously cumbersome to access, but it > lets you enregister them across calls like normal in the "original" > function. > > I haven't seen Visual C++ to such enregistration (nonvolatiles across > calls in functions with EH), but you can do it in assembly...

I'm having trouble changing the machine name programmatically on Samba 4 (running under systemd). There's no "netbios name" option in smb.conf, so I'm relying on it using the hostname. Here's what I'm doing: 1) Call sethostname() with the new name. 2) Write the same name into /etc/hostname, to make it nonvolatile. 3) Read a decimal number from /var/run/smbd.pid.

On 12/20/2017 03:49 PM, Alina Sbirlea via llvm-dev wrote: > +Philip to get his input too. > I've talked with George offline, and here's a summary: > > In D16875 <https://reviews.llvm.org/D16875>, the decision made was: > "The LLVM spec is ambiguous about whether we can hoist a non-volatile > load above a volatile load when the loads alias. It's probably

...)(int a, int b, int c, int d, int e)) { return pf5(1, 2, 3, 4, 5); } int f4(vtable_t *vt) { return vt->pf5(1, 2, 3, 4, 5); } Could you not allocate an extra word on the stack, in the first position, store the return address there, and pop it to pc (or ip and then move to pc) after restoring nonvolatiles and lr? Is that not describable in unwind data? I only tested Debian's 3.3 so far but I'll try to try 6.0. I ask because I'm working on tailcalls in another project. I figured I'd look at gcc/clang output for hints here. I understand there can be multiple exits of a function...

Systemd service files are generally coming with packages. This means these files can be overwritten by some system update if this updates also your Samba packages (note: I never had nor tested that behaviour with Samba packages, but it happens for other packages). 2016-02-23 8:39 GMT+01:00 L.P.H. van Belle <belle at bazuin.nl>: > Uh... just add : > > netbios name = PC_NAME >

I recently got a new SSD (ocz vertex LE 50gb) It seems to work really well as a ZIL performance wise. My question is, how safe is it? I know it doesn''t have a supercap so lets'' say dataloss occurs....is it just dataloss or is it pool loss? also, does the fact that i have a UPS matter? the numbers i''m seeing are really nice....these are some nfs tar times before

Hello all, I am a complete newbie to OpenSolaris, and must to setup a ZFS NAS. I do have linux experience, but have never used ZFS. I have tried to install OpenSolaris Developer 134 on a 11TB HW RAID-5 virtual disk, but after the installation I can only use one 2TB disk, and I cannot partition the rest. I realize that maximum partition size is 2TB, but I guess the rest must be usable. For

We were adding contacts to the directory successfully and when we got top approx. contact #45, the phone now reboots when we change a speed dial index or delete a contact from the directory. To gain more memory in sip.cfg, I set: <directory dir.local.volatile.2meg="0" dir.local.nonVolatile.maxSize.2meg="20" dir.local.volatile.4meg="1"

On Tue, 2012-05-01 at 19:58 -0500, Peter Bergner wrote: > On Tue, 2012-05-01 at 17:47 -0500, Hal Finkel wrote: > > By default it should build for > > whatever the current host is (no special flags required). To > > specifically build for something else, use: > > -ccc-host-triple powerpc64-unknown-linux-gnu > > or > > -ccc-host-triple

On Sat, 2012-05-12 at 00:47 -0500, Hal Finkel wrote: > On Tue, 01 May 2012 21:25:29 -0500 > Peter Bergner <bergner at vnet.ibm.com> wrote: > > By the strict letter of the 32-bit ABI, the save and restore of > > r31 at a negative offset of r1 is verboten. The ABI states the > > the stack space below the stack pointer is declared as volatile. > > I actually

On 12/20/2017 1:37 PM, Sanjoy Das wrote:> > Fwiw, I was under the impression that regular loads could *not* be > reordered with volatile loads since we could have e.g.: > > int *normal = &global_variable; > volatile int* ptr = 0; > int k = *ptr; // segfaults, and the signal handler writes to *normal > int value = *normal; > > and that we'd have

...)(int a, int b, int c, int d, int e)) { return pf5(1, 2, 3, 4, 5); } int f4(vtable_t *vt) { return vt->pf5(1, 2, 3, 4, 5); } Could you not allocate an extra word on the stack, in the first position, store the return address there, and pop it to pc (or ip and then move to pc) after restoring nonvolatiles and lr? Is that not describable in unwind data? I only tested Debian's 3.3 so far but I'll try to try 6.0. I ask because I'm working on tailcalls in another project. I figured I'd look at gcc/clang output for hints here. I understand there can be multiple exits of a function...

On Tue, 01 May 2012 21:25:29 -0500 Peter Bergner <bergner at vnet.ibm.com> wrote: > On Tue, 2012-05-01 at 19:58 -0500, Peter Bergner wrote: > > On Tue, 2012-05-01 at 17:47 -0500, Hal Finkel wrote: > > > By default it should build for > > > whatever the current host is (no special flags required). To > > > specifically build for something else, use:

I was messing around with a ramdisk on a pool and I forgot to remove it before I shut down the server. Now I am not able to mount the pool. I am not concerned with the data in this pool, but I would like to try to figure out how to recover it. I am running Nexenta 3.0 NCP (b134+). I have tried a couple of the commands (zpool import -f and zpool import -FX llift) root at

On Jul 3, 2014, at 11:29 AM, Steve Ballantyne <steve.ballantyne at gmail.com> wrote: > input.voltage.maximum: 3341 This number is coincidentally what you would get by reading 0d 0d. I'll have to check the offsets. > input.voltage.minimum: 0 This one might actually be zero, before running the reset minmax command (which also takes a few seconds to be processed). The min/max

> > > IMHO, Hardware raid primarily exists because of Microsoft Windows and VMware esxi, neither of which have good native storage management. Because of this, it's fairly hard to order a major brand (HP, Dell, etc) server without raid cards. Raid cards do have the performance boost of nonvolatile write back cache. Newer/better cards use supercap flash for this, so battery life is

Hi all, I want to have a warmboot nonvolatile ramdisk to put and start XP from ram. That means that the ramdisk and its content have to survive a reboot on a "normal computer"! (No battery ...hihi) First I make a try with Microsoft ramdrive.sys and switch /e in config.sys from Dos 6.22 and with qemm386.sys but that doesnt work for me. Qemm (8, 97)does not work together with harddrive

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I''m working with a Cyrus IMAP server running on a T2000 box under Solaris 10 10/09 with current patches. Mailboxes reside on six ZFS filesystems, each containing about 200 gigabytes of data. These are part of a single zpool built on four Iscsi devices from our Netapp filer. One of these ZFS filesystems contains a number of global and per-user databases in addition to one sixth of the