Re: 1.7.0 sem_open

2009-06-12 Thread Pedro Izecksohn
--- I wrote: >>>   For me, using the unpatched version, (not the CVS version), the >>> persistence works some times only. At other times the semaphore >>> disappears with the Control c. It is not reproducible. I'm sorry from wasting your time. -- Unsubscribe info: http://cygwin.com/ml/#

Re: 1.7.0 sem_open

2009-06-12 Thread Pedro Izecksohn
>>   The persistence of the semaphore also works for you? >> >>   For me, using the unpatched version, (not the CVS version), the >> persistence works some times only. At other times the semaphore >> disappears with the Control c. > > The semaphore is backed by a file on disk.  If you don't call >

Re: 1.7.0 sem_open

2009-06-12 Thread Corinna Vinschen
On Jun 12 15:56, Pedro Izecksohn wrote: > Corinna Vinschen read my mind. > > > What is semtool? > > semtool - A utility for tinkering with semaphores > > USAGE: semtool (c)reate > (l)ock > (u)nlock > (d)elete > (m)ode >

Re: 1.7.0 sem_open

2009-06-12 Thread Pedro Izecksohn
Corinna Vinschen read my mind. > What is semtool? semtool - A utility for tinkering with semaphores USAGE: semtool (c)reate (l)ock (u)nlock (d)elete (m)ode It comes in some package available through the Cygwin's insta

Re: 1.7.0 sem_open

2009-06-12 Thread Yaakov (Cygwin/X)
On 12/06/2009 05:19, Corinna Vinschen wrote: On Jun 12 12:16, Corinna Vinschen wrote: Certainly a good idea. I don't know if it would hurt if too many symbols could be linked against via librt.a. We could move the realtime functions from timer.cc and times.cc into its own source file. Or we c

Re: 1.7.0 sem_open

2009-06-12 Thread Dave Korn
Corinna Vinschen wrote: > On Jun 12 11:51, Dave Korn wrote: >> Corinna Vinschen wrote: >>> On Jun 12 12:16, Corinna Vinschen wrote: On Jun 12 04:47, Yaakov S wrote: > On 12/06/2009 03:49, Corinna Vinschen wrote: >> Even if linking against librt.a would be necessary on Cygwin > But

Re: 1.7.0 sem_open

2009-06-12 Thread Corinna Vinschen
On Jun 12 11:51, Dave Korn wrote: > Corinna Vinschen wrote: > > On Jun 12 12:16, Corinna Vinschen wrote: > >> On Jun 12 04:47, Yaakov S wrote: > >>> On 12/06/2009 03:49, Corinna Vinschen wrote: > Even if linking against librt.a would be necessary on Cygwin > >>> But a stub librt.a would be hel

Re: 1.7.0 sem_open

2009-06-12 Thread Dave Korn
Corinna Vinschen wrote: > On Jun 12 12:16, Corinna Vinschen wrote: >> On Jun 12 04:47, Yaakov S wrote: >>> On 12/06/2009 03:49, Corinna Vinschen wrote: Even if linking against librt.a would be necessary on Cygwin >>> But a stub librt.a would be helpful nonetheless. It looks like most of >>>

Re: 1.7.0 sem_open

2009-06-12 Thread Dave Korn
Corinna Vinschen wrote: > On Jun 12 01:50, Pedro Izecksohn wrote: >> Also: gcc4 does not understand the option "-lrt" so it must be removed. > > Even if linking against librt.a would be necessary on Cygwin, which it > isn't, the gcc call is wrong. The libs must always follow the object > files

Re: 1.7.0 sem_open

2009-06-12 Thread Corinna Vinschen
On Jun 12 10:49, Corinna Vinschen wrote: > SUSv4 states: > > The name argument conforms to the construction rules for a pathname, > except that the interpretation of characters other than the > leading character in name is implementation-defined, [...] > > If name begins with the chara

Re: 1.7.0 sem_open

2009-06-12 Thread Corinna Vinschen
On Jun 12 12:16, Corinna Vinschen wrote: > On Jun 12 04:47, Yaakov S wrote: > > On 12/06/2009 03:49, Corinna Vinschen wrote: > >> Even if linking against librt.a would be necessary on Cygwin > > > > But a stub librt.a would be helpful nonetheless. It looks like most of > > the relevant symbols a

Re: 1.7.0 sem_open

2009-06-12 Thread Corinna Vinschen
On Jun 12 04:47, Yaakov S wrote: > On 12/06/2009 03:49, Corinna Vinschen wrote: >> Even if linking against librt.a would be necessary on Cygwin > > But a stub librt.a would be helpful nonetheless. It looks like most of > the relevant symbols are in posix_ipc.cc, timer.cc, and times.cc, but > t

Re: 1.7.0 sem_open

2009-06-12 Thread Yaakov (Cygwin/X)
On 12/06/2009 03:49, Corinna Vinschen wrote: Even if linking against librt.a would be necessary on Cygwin But a stub librt.a would be helpful nonetheless. It looks like most of the relevant symbols are in posix_ipc.cc, timer.cc, and times.cc, but there are other symbols defined in the latter

Re: 1.7.0 sem_open

2009-06-12 Thread Corinna Vinschen
On Jun 12 01:50, Pedro Izecksohn wrote: > Does the function sem_open work for anyone using Cygwin 1.7.0 ? Yes. > How to use semtool ? What is semtool? > I wrote an example that works on Jaunty on x86-64 but not on Cygwin: > http://www.izecksohn.com/pedro/c/semaphores/semaphores.tar.gz Wo

1.7.0 sem_open

2009-06-11 Thread Pedro Izecksohn
Does the function sem_open work for anyone using Cygwin 1.7.0 ? How to use semtool ? I wrote an example that works on Jaunty on x86-64 but not on Cygwin: http://www.izecksohn.com/pedro/c/semaphores/semaphores.tar.gz Also: gcc4 does not understand the option "-lrt" so it must be removed.