DragonFly users List (threaded) for 2007-01
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u> <200701130649.l0D6nE8j008759@apollo. backplane.com> <009301c73746$cdce3470$1200a8c0@gsicomp.on.ca> <200701132000.l0DK0QsA020885@ap ollo.backplane.com> <00b101c738e5$dd925710$1200a8c0@gsicomp.on.ca> <200701152301.l0FN1BR5039049@apollo.backplane.c om> <008801c7390d$66ffd9b0$1200a8c0@gsicomp.on.ca> <200701160313.l0G3DnsH040505! @apollo.backplane.com> <003201c°ù¿¿©â>O¯LïS(OFrom: Matthew Dillon <dillon@apollo.backplane.com> <200701160719.l0G7JmFZ041667@apollo.backplane.com>
From: Petr Janda <elekktretterr@exemail.com.au>
Subject: Re: Request for swapcontext and getcontext to be ported to our libc
 [ revision 3 ]
Date: Wed, 17 Jan 2007 16:08:36 +1100
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Hi There,

Running latest head with libc-only *context function. mtasker test 
program works, but powerdns-recursor still doesnt compile (even with gcc 

/usr/include/machine/endian.h:70:1: warning: this is the location of the 
previous definition
pdns_recursor.cc: In function `void startDoResolve(void*)':
pdns_recursor.cc:563: error: invalid conversion from `void*' to `char*'
pdns_recursor.cc:564: error: invalid conversion from `void*' to `char*'
pdns_recursor.cc:1139: confused by earlier errors, bailing out

[wrapper.sh] note: The real command line, after the pkgsrc wrapper, was:
/usr/obj/pkgsrc/wip/powerdns-recursor/work/.gcc/bin/g++ -O -pipe 
-I/usr/obj/pkgsrc/wip/powerdns-recursor/work/.buildlink/include -Wall 
-O3 -c -o pdns_recursor.o pdns_recursor.cc 
gmake: *** [pdns_recursor.o] Error 1
*** Error code 2

bmake: stopped in /usr/pkgsrc/wip/powerdns-recursor
*** Error code 1

bmake: stopped in /usr/pkgsrc/wip/powerdns-recursor


users-errors@crater.dragonflybsd.org wrote:
> :I revisited these two kernel files and agree partially with your assessment:
> :- machdep.c fixed a missing linebreak; the other change (mc_len) was cruft.
> :- ucontext.h contains the protos for the *context routines; they still need
> :to be somewhere so autoconf can find them, and I felt that this was the best
> :place for them.  The other stuff (uc_flags, UCF_SWAPPED) was cruft.
> :
> :--
> :Matt Emmerton
>     Ok, I restored those bits.
>     I have implemented the assembly and done some other cleanups and a 
>     bit of testing.  I am committing the completed work now.
>     I have not yet implemented the floating point save/restore.  I will
>     check save-used for FP registers and see if I can optimize what gets
>     saved.  When switching occurs synchronously I don't think the FP regs
>     need to be saved/restored unless the prorgam is compiled to use 
>     FP regs and general regs so this may be good enough for the moment.
>     Switching from a signal dispatch is more problematic.  That almost
>     certainly requires FP save/restore.
>     Now we need some comprehensive testing with packages that actually
>     use this beast!
> 					-Matt
> 					Matthew Dillon 
> 					<dillon@backplane.com>

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