On Thursday 15 March 2012 19:39:21 Dmitry V. Levin wrote:
> On Thu, Mar 15, 2012 at 06:36:16PM -0400, Mike Frysinger wrote:
> > On Thursday 15 March 2012 17:10:37 Dmitry V. Levin wrote:
> > > On Wed, Mar 14, 2012 at 08:39:35PM -0400, Mike Frysinger wrote:
> > > > alpha looks broken with signals ...
> > > 
> > > Not only with signals, IPC decoding also seems to be broken on alpha:
> > > SYS_ipc_subcall is naturally not defined, but indirect_ipccall()
> > > returns 1 there.  Could you confirm that, e.g. by checking whether
> > > "strace -eipc ipcs" outputs crap or not, please?
> > 
> > this box doesn't have any shared memory segments active (which isn't
> > surprising as it's a headless build/dev box).  here's the output, but i'm
> > not sure it exactly answers your question ?
> 
> Yes, it perfectly does, thanks.
> 
> > $ ./strace -eipc ipcs
> > 
> > shmctl(0, IPC_64|SHM_INFO, 0)           = 0
> > shmctl(0, IPC_64|SHM_STAT, 0)           = -1 EINVAL (Invalid argument)
> 
> The 3rd argument must be a valid memory address, e.g.
> shmctl(0, IPC_64|SHM_INFO, 0xbfc398f8)  = 0
> shmctl(0, IPC_64|SHM_STAT, 0xbfc39880)  = -1 EINVAL (Invalid argument)
> 
> I've pushed a fix.

this is what it looks like after your change.  seems to be good now.

$ ./strace -eipc ipcs

shmctl(0, IPC_64|SHM_INFO, 0x11fba6f20) = 0
------ Shared Memory Segments --------
key        shmid      owner      perms      bytes      nattch     status      
shmctl(0, IPC_64|SHM_STAT, 0x11fba6f98) = -1 EINVAL (Invalid argument)

semctl(0, 0, IPC_64|SEM_INFO, 0x11fba6fa0) = 0
------ Semaphore Arrays --------
key        semid      owner      perms      nsems     
semctl(0, 0, IPC_64|SEM_STAT, 0x11fba6fc8) = -1 EINVAL (Invalid argument)

msgctl(0, IPC_64|MSG_INFO, 0x11fba6f80) = 0
------ Message Queues --------
key        msqid      owner      perms      used-bytes   messages    
msgctl(0, IPC_64|MSG_STAT, 0x11fba6fa0) = -1 EINVAL (Invalid argument)

+++ exited with 0 +++
-mike

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