On Tue, Dec 22, 2015 at 5:50 PM, [email protected] <[email protected]> wrote:
> Hi Mariano, > it is supossed to be Posix, but Posix.1, it's another revision. > > Since Solaris 10, it is supposed to supports all extensions of Posix ( > http://docs.oracle.com/cd/E19253-01/816-5175/standards-5/index.html) and > Irix 6 (is discontinued, and is not Posix.1 compatible) > > Also I can say that the GHC (Haskell) implementation assumes the value 1 > for the constant, you can check the source code in: > > > https://hackage.haskell.org/package/posix-waitpid-0.1/docs/src/System-Posix-Waitpid.html#c_waitpid > > I think is enough safe to have the 1 as a constant, if not you will have > to generate a plugin for every platform. > > Thanks Pablito. I assumed 1 for now and in fact it did work for OSX at least :) > The other alternative is to read the constant value from the C Header, but > is maybe an overkill. > > Yes, I thought the same...but I would need the sources... > Chers, > > Pd: hace rato que estoy por aca, pero me cuesta responder, a veces va muy > rapido y otras vuelan muy alto :). > > jajajajaj groso > On Tue, Dec 22, 2015 at 5:36 PM, Mariano Martinez Peck < > [email protected]> wrote: > >> >> >> On Tue, Dec 22, 2015 at 5:24 PM, [email protected] <[email protected]> >> wrote: >> >>> Hello Mariano, >>> WNOHANG is a constant is defined in sys/wait.h, after the >>> compilation is not included in the object file. >>> >>> You will have to duplicate its value in the Smalltalk Code. It's value >>> is 1, in linux is defined in bits/waitflags.h as >>> >>> #define WNOHANG 1 >>> >>> >> mmmmmm but then I would need to take care about its different values in >> different OS right? >> I am reading for example this thread: >> https://groups.google.com/forum/#!topic/comp.lang.python/_5rCpfYR_ZE >> >> sunos 4.1.3 : #define WNOHANG 1 >> Solaris 2.4 : #define WNOHANG 0100 >> OSF1 2.0 : #define WNOHANG 0x1 >> Ultrix 4.4 : #define WNOHANG 1 >> irix 4.0.5C : #define WNOHANG 0x1 >> irix 5.2 : #define WNOHANG 0100 >> irix 6.0.1 : #define WNOHANG 0100 >> >> OK..the thread is from 1995... I thought the POSIX standard would >> standardize that... >> >> I am now checking at >> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/include/sys/wait.h >> >> and it says: >> >> #define WNOHANG 0x00000001 >> But again..I wonder how portable is to stick to that... >> >> Ok...maybe I will need to go with a VM primitive as #primGetChildExitStatus: >> that way I can do the: >> >> self cCode: 'waitpid ( pidToHandle, &exitStatus, WNOHANG )' inSmalltalk: >> [ exitStatus := -1 ]. >> >> >> pd: que groso Pablito verte por aca!!!! >> >> >> >>> Cheers, >>> Pablo >>> >>> On Tue, Dec 22, 2015 at 5:12 PM, Mariano Martinez Peck < >>> [email protected]> wrote: >>> >>>> Hi guys, >>>> >>>> Say I want to call to waitpid like this: >>>> >>>> waitpid(childID, &status, WNOHANG); >>>> >>>> How can I do since I don't have access to WNOHANG int value in order to >>>> send it via argument .... ??? >>>> >>>> Any idea? >>>> >>>> Thanks in advance, >>>> >>>> -- >>>> Mariano >>>> http://marianopeck.wordpress.com >>>> >>> >>> >>> >>> -- >>> Pablo Tesone. >>> [email protected] >>> >> >> >> >> -- >> Mariano >> http://marianopeck.wordpress.com >> > > > > -- > Pablo Tesone. > [email protected] > -- Mariano http://marianopeck.wordpress.com
