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Here's the promised alternative to Jakub's patch to fix problems with using the resolver state in the main thread of a multithreaded program. Mark 2000-07-25 Mark Kettenis <kettenis@gnu.org> * internals.h(__RES_PTHREAD_INTERNAL): Remove define. * pthread.c: Include <resolv.h>. (_res): Undefine. Add extern declaration. Index: linuxthreads/internals.h =================================================================== RCS file: /cvs/glibc/libc/linuxthreads/internals.h,v retrieving revision 1.52 diff -u -p -r1.52 internals.h --- linuxthreads/internals.h 2000/07/24 16:29:07 1.52 +++ linuxthreads/internals.h 2000/07/25 16:49:08 @@ -20,15 +20,12 @@ /* Includes */ #include <limits.h> +#include <resolv.h> #include <setjmp.h> #include <signal.h> #include <unistd.h> #include <sys/types.h> #include <bits/libc-tsd.h> /* for _LIBC_TSD_KEY_N */ - -#define __RES_PTHREAD_INTERNAL -#include <resolv.h> /* for per-thread resolver context */ - #include "pt-machine.h" #include "semaphore.h" Index: linuxthreads/pthread.c =================================================================== RCS file: /cvs/glibc/libc/linuxthreads/pthread.c,v retrieving revision 1.58 diff -u -p -r1.58 pthread.c --- linuxthreads/pthread.c 2000/07/24 17:23:50 1.58 +++ linuxthreads/pthread.c 2000/07/25 16:49:09 @@ -30,6 +30,12 @@ #include "spinlock.h" #include "restart.h" +/* We need the global/static resolver state here. */ +#include <resolv.h> +#undef _res + +extern struct __res_state _res; + /* Sanity check. */ #if __ASSUME_REALTIME_SIGNALS && !defined __SIGRTMIN # error "This must not happen; new kernel assumed but old headers"
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