Merge kboortz@bk-internal.mysql.com:/home/bk/mysql-4.1

***************

*** 39,46 ****

  c_warnings="$global_warnings -Wunused"

  cxx_warnings="$global_warnings -Woverloaded-virtual -Wsign-promo -Wreorder -Wctor-dtor-privacy -Wnon-virtual-dtor"

! alpha_cflags="-mcpu=ev6 -Wa,-mev6"	# Not used yet

! pentium_cflags="-mcpu=pentiumpro"

  sparc_cflags=""

  # be as fast as we can be without losing our ability to backtrace

--- 39,46 ----

  c_warnings="$global_warnings -Wunused"

  cxx_warnings="$global_warnings -Woverloaded-virtual -Wsign-promo -Wreorder -Wctor-dtor-privacy -Wnon-virtual-dtor"

! #alpha_cflags="-mcpu=ev6 -Wa,-mev6"	# Not used yet

! #pentium_cflags="-mcpu=pentiumpro"

  sparc_cflags=""

  # be as fast as we can be without losing our ability to backtrace

***************

*** 388,402 ****

  if expr "$target_os" : "[[Ll]]inux.*" > /dev/null

  then

    MYSQLD_DEFAULT_SWITCHES="--skip-locking"

!   IS_LINUX="true"

    AC_MSG_RESULT("yes");

  else

    MYSQLD_DEFAULT_SWITCHES=""

!   IS_LINUX="false"

    AC_MSG_RESULT("no");

  fi

  AC_SUBST(MYSQLD_DEFAULT_SWITCHES)

! AC_SUBST(IS_LINUX)

  dnl Find paths to some shell programs

  AC_PATH_PROG(LN, ln, ln)

--- 388,403 ----

  if expr "$target_os" : "[[Ll]]inux.*" > /dev/null

  then

    MYSQLD_DEFAULT_SWITCHES="--skip-locking"

!   TARGET_LINUX="true"

    AC_MSG_RESULT("yes");

+   AC_DEFINE([TARGET_OS_LINUX], [1], [Whether we build for Linux])

  else

    MYSQLD_DEFAULT_SWITCHES=""

!   TARGET_LINUX="false"

    AC_MSG_RESULT("no");

  fi

  AC_SUBST(MYSQLD_DEFAULT_SWITCHES)

! AC_SUBST(TARGET_LINUX)

  dnl Find paths to some shell programs

  AC_PATH_PROG(LN, ln, ln)

***************

*** 576,582 ****

  # (this is true on the MySQL build machines to avoid NSS problems)

  #

! if test "$IS_LINUX" = "true" -a "$static_nss" = ""

  then

    tmp=`nm /usr/lib/libc.a  | grep _nss_files_getaliasent_r`

    if test -n "$tmp"

--- 577,583 ----

  # (this is true on the MySQL build machines to avoid NSS problems)

  #

! if test "$TARGET_LINUX" = "true" -a "$static_nss" = ""

  then

    tmp=`nm /usr/lib/libc.a  | grep _nss_files_getaliasent_r`

    if test -n "$tmp"

***************

*** 827,833 ****

  ])

  AC_SUBST(WRAPLIBS)

! if test "$IS_LINUX" = "true"; then

    AC_MSG_CHECKING([for atomic operations])

    AC_LANG_SAVE

--- 828,834 ----

  ])

  AC_SUBST(WRAPLIBS)

! if test "$TARGET_LINUX" = "true"; then

    AC_MSG_CHECKING([for atomic operations])

    AC_LANG_SAVE

***************

*** 870,876 ****

      [ USE_PSTACK=no ])

    pstack_libs=

    pstack_dirs=

!   if test "$USE_PSTACK" = yes -a "$IS_LINUX" = "true" -a "$BASE_MACHINE_TYPE" = "i386" -a "$with_mit_threads" = "no"

    then

      have_libiberty= have_libbfd=

      my_save_LIBS="$LIBS"

--- 871,877 ----

      [ USE_PSTACK=no ])

    pstack_libs=

    pstack_dirs=

!   if test "$USE_PSTACK" = yes -a "$TARGET_LINUX" = "true" -a "$BASE_MACHINE_TYPE" = "i386" -a "$with_mit_threads" = "no"

    then

      have_libiberty= have_libbfd=

      my_save_LIBS="$LIBS"

***************

*** 1239,1301 ****

  # Hack for DEC-UNIX (OSF1)

  if test "$with_named_thread" = "no" -a "$with_mit_threads" = "no"

  then

!   # Look for LinuxThreads.

!   AC_MSG_CHECKING("LinuxThreads")

!     grepres=`grep Linuxthreads /usr/include/pthread.h 2>/dev/null | wc -l`

!     getconfres=`which getconf >/dev/null && getconf GNU_LIBPTHREAD_VERSION | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ |grep LINUXTHREADS | wc -l || echo 0`

!     if test "$grepres" -gt 0 -o "$getconfres" -gt 0

      then

!       AC_MSG_RESULT("Found")

!       AC_DEFINE(HAVE_LINUXTHREADS)

!       # Linux 2.0 sanity check

!       AC_TRY_COMPILE([#include <sched.h>], [int a = sched_get_priority_min(1);], ,

!       AC_MSG_ERROR([Syntax error in sched.h. Change _P to __P in the /usr/include/sched.h file. See the Installation chapter in the Reference Manual]))

!       # RedHat 5.0 does not work with dynamic linking of this. -static also

!       # gives a speed increase in linux so it does not hurt on other systems.

!       with_named_thread="-lpthread"

!     else

!       AC_MSG_RESULT("Not found")

!       # If this is a linux machine we should barf

!       AC_MSG_CHECKING("NPTL")

!       if test "$IS_LINUX" = "true"

!       then

!         getconfres=`which getconf >/dev/null && getconf GNU_LIBPTHREAD_VERSION | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ |grep NPTL | wc -l || echo 0`

!         if test "$getconfres" -gt 0

          then

!           AC_DEFINE(HAVE_LINUXTHREADS) dnl All this code predates NPTL, so "have linuxthreads" is a poor name.

!           with_named_thread="-lpthread"

          else

!           AC_MSG_ERROR([This is a Linux system and neither Linuxthreads nor NPTL were

! found. Please install Linuxthreads or a new glibc and try 

! again.  See the Installation chapter in the Reference Manual for 

! more information.])

          fi

!       else

! 	AC_MSG_CHECKING("DEC threads")

!         if test -f /usr/shlib/libpthread.so -a -f /usr/lib/libmach.a -a -f /usr/ccs/lib/cmplrs/cc/libexc.a

! 	then

! 	  with_named_thread="-lpthread -lmach -lexc"

! 	  CFLAGS="$CFLAGS -D_REENTRANT"

! 	  CXXFLAGS="$CXXFLAGS -D_REENTRANT"

! 	  AC_DEFINE(HAVE_DEC_THREADS)

! 	  AC_MSG_RESULT("yes")

! 	else

! 	  AC_MSG_RESULT("no")

! 	  AC_MSG_CHECKING("DEC 3.2 threads")

!           if test -f /usr/shlib/libpthreads.so -a -f /usr/lib/libmach.a -a -f /usr/ccs/lib/cmplrs/cc/libexc.a

! 	  then

! 	    with_named_thread="-lpthreads -lmach -lc_r"

! 	    AC_DEFINE(HAVE_DEC_THREADS)

! 	    AC_DEFINE(HAVE_DEC_3_2_THREADS)

!             with_osf32_threads="yes"

!             MYSQLD_DEFAULT_SWITCHES="--skip-thread-priority"

! 	    AC_MSG_RESULT("yes")

! 	  else

! 	    AC_MSG_RESULT("no")

!           fi

! 	fi

!      fi

!    fi

  fi

--- 1240,1337 ----

  # Hack for DEC-UNIX (OSF1)

  if test "$with_named_thread" = "no" -a "$with_mit_threads" = "no"

  then

!     AC_MSG_CHECKING("Linux threads")

!     if test "$TARGET_LINUX" = "true"

      then

!         AC_MSG_RESULT("starting")

!         # use getconf to check glibc contents

!         AC_MSG_CHECKING("getconf GNU_LIBPTHREAD_VERSION")

!         case `getconf GNU_LIBPTHREAD_VERSION | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ` in

!         NPTL* )

!                 AC_MSG_RESULT("NPTL")

!                 AC_DEFINE([HAVE_NPTL], [1], [NPTL threads implementation])

!                 with_named_thread="-lpthread"

!                 ;;

!         LINUXTHREADS* )

!                 AC_MSG_RESULT("Linuxthreads")

!                 AC_DEFINE([HAVE_LINUXTHREADS], [1],

!                       [Whether we are using Xavier Leroy's LinuxThreads])

!                 with_named_thread="-lpthread"

!                 ;;

!         * )

!                 AC_MSG_RESULT("unknown")

!                 ;;

!         esac

!         if test "$with_named_thread" = "no"

          then

!           # old method, check headers

!           # Look for LinuxThreads.

!           AC_MSG_CHECKING("LinuxThreads in header file comment")

!           res=`grep Linuxthreads /usr/include/pthread.h 2>/dev/null | wc -l`

!           if test "$res" -gt 0

!           then

!             AC_MSG_RESULT("Found")

!             AC_DEFINE([HAVE_LINUXTHREADS], [1],

!                   [Whether we are using Xavier Leroy's LinuxThreads])

!             # Linux 2.0 sanity check

!             AC_TRY_COMPILE([#include <sched.h>], [int a = sched_get_priority_min(1);], ,

!             AC_MSG_ERROR([Syntax error in sched.h. Change _P to __P in the /usr/include/sched.h file. See the Installation chapter in the Reference Manual]))

!             # RedHat 5.0 does not work with dynamic linking of this. -static also

!             # gives a speed increase in linux so it does not hurt on other systems.

!             with_named_thread="-lpthread"

!           else

!             AC_MSG_RESULT("Not found")

!             # If this is a linux machine we should barf

!             AC_MSG_ERROR([This is a Linux system without a working getconf,

! and Linuxthreads was not found. Please install it (or a new glibc) and try again.

! See the Installation chapter in the Reference Manual for more information.])

!           fi

          else

!           AC_MSG_RESULT("no need to check headers")

          fi

!         AC_MSG_CHECKING("for pthread_create in -lpthread");

!         ac_save_LIBS="$LIBS"

!         LIBS="$LIBS -lpthread"

!         AC_TRY_LINK( [#include <pthread.h>],

!               [ (void) pthread_create((pthread_t*) 0,(pthread_attr_t*) 0, 0, 0); ],

!               AC_MSG_RESULT("yes"),

!               [ AC_MSG_RESULT("no")

!                 AC_MSG_ERROR([

! This is a Linux system claiming to support threads, either Linuxthreads or NPTL, but linking a test program failed.

! Please install one of these (or a new glibc) and try again.

! See the Installation chapter in the Reference Manual for more information.]) ]

!               )

!         LIBS="$ac_save_LIBS"

!     else

!         AC_MSG_RESULT("no")

!     fi  # "$TARGET_LINUX"

! fi  # "$with_named_thread" = "no" -a "$with_mit_threads" = "no"

! 

! if test "$with_named_thread" = "no" -a "$with_mit_threads" = "no"

! then

!   AC_MSG_CHECKING("DEC threads")

!   if test -f /usr/shlib/libpthread.so -a -f /usr/lib/libmach.a -a -f /usr/ccs/lib/cmplrs/cc/libexc.a

!   then

!     with_named_thread="-lpthread -lmach -lexc"

!     CFLAGS="$CFLAGS -D_REENTRANT"

!     CXXFLAGS="$CXXFLAGS -D_REENTRANT"

!     AC_DEFINE(HAVE_DEC_THREADS)

!     AC_MSG_RESULT("yes")

!   else

!     AC_MSG_RESULT("no")

!     AC_MSG_CHECKING("DEC 3.2 threads")

!     if test -f /usr/shlib/libpthreads.so -a -f /usr/lib/libmach.a -a -f /usr/ccs/lib/cmplrs/cc/libexc.a

!     then

!       with_named_thread="-lpthreads -lmach -lc_r"

!       AC_DEFINE(HAVE_DEC_THREADS)

!       AC_DEFINE(HAVE_DEC_3_2_THREADS)

!       with_osf32_threads="yes"

!       MYSQLD_DEFAULT_SWITCHES="--skip-thread-priority"

!       AC_MSG_RESULT("yes")

!     else

!       AC_MSG_RESULT("no")

!     fi

!   fi

  fi

***************

*** 1720,1726 ****

  AC_SUBST(COMPILATION_COMMENT)

  AC_MSG_CHECKING("need of special linking flags")

! if test "$IS_LINUX" = "true" -a "$ac_cv_prog_gcc" = "yes" -a "$all_is_static" != "yes"

  then

    LDFLAGS="$LDFLAGS -rdynamic"

    AC_MSG_RESULT("-rdynamic")

--- 1756,1762 ----

  AC_SUBST(COMPILATION_COMMENT)

  AC_MSG_CHECKING("need of special linking flags")

! if test "$TARGET_LINUX" = "true" -a "$ac_cv_prog_gcc" = "yes" -a "$all_is_static" != "yes"

  then

    LDFLAGS="$LDFLAGS -rdynamic"

    AC_MSG_RESULT("-rdynamic")

***************

*** 1873,1878 ****

   tell atod memcpy memmove \

   setupterm strcasecmp sighold vidattr lrand48 localtime_r \

   sigset sigthreadmask pthread_sigmask pthread_setprio pthread_setprio_np \

   pthread_setschedparam pthread_attr_setprio pthread_attr_setschedparam \

   pthread_attr_create pthread_getsequence_np pthread_attr_setstacksize \

   pthread_attr_getstacksize pthread_key_delete \

--- 1909,1915 ----

   tell atod memcpy memmove \

   setupterm strcasecmp sighold vidattr lrand48 localtime_r \

   sigset sigthreadmask pthread_sigmask pthread_setprio pthread_setprio_np \

+  sigaction sigemptyset sigaddset \

   pthread_setschedparam pthread_attr_setprio pthread_attr_setschedparam \

   pthread_attr_create pthread_getsequence_np pthread_attr_setstacksize \

   pthread_attr_getstacksize pthread_key_delete \

***************

*** 1884,1890 ****

  # Sanity check: We chould not have any fseeko symbol unless

  # large_file_support=yes

  AC_CHECK_FUNCS(fseeko,

! [if test "$large_file_support" = no -a "$IS_LINUX" = "true";

  then

    AC_MSG_ERROR("Found fseeko symbol but large_file_support is not enabled!");

  fi]

--- 1921,1927 ----

  # Sanity check: We chould not have any fseeko symbol unless

  # large_file_support=yes

  AC_CHECK_FUNCS(fseeko,

! [if test "$large_file_support" = no -a "$TARGET_LINUX" = "true";

  then

    AC_MSG_ERROR("Found fseeko symbol but large_file_support is not enabled!");

  fi]

***************

*** 97,103 ****

  /* Fix problem with S_ISLNK() on Linux */

! #if defined(HAVE_LINUXTHREADS)

  #undef  _GNU_SOURCE

  #define _GNU_SOURCE 1

  #endif

--- 97,103 ----

  /* Fix problem with S_ISLNK() on Linux */

! #if defined(TARGET_OS_LINUX) || defined(__GLIBC__)

  #undef  _GNU_SOURCE

  #define _GNU_SOURCE 1

  #endif

***************

*** 286,293 ****

  #undef HAVE_PTHREAD_RWLOCK_RDLOCK

  #undef HAVE_SNPRINTF

! #define sigset(A,B) pthread_signal((A),(void (*)(int)) (B))

! #define signal(A,B) pthread_signal((A),(void (*)(int)) (B))

  #define my_pthread_attr_setprio(A,B)

  #endif /* defined(PTHREAD_SCOPE_GLOBAL) && !defined(PTHREAD_SCOPE_SYSTEM) */

--- 294,301 ----

  #undef HAVE_PTHREAD_RWLOCK_RDLOCK

  #undef HAVE_SNPRINTF

! #define my_sigset(A,B) pthread_signal((A),(void (*)(int)) (B))

! #define my_signal(A,B) pthread_signal((A),(void (*)(int)) (B))

  #define my_pthread_attr_setprio(A,B)

  #endif /* defined(PTHREAD_SCOPE_GLOBAL) && !defined(PTHREAD_SCOPE_SYSTEM) */

***************

*** 324,337 ****

  #if !defined(HAVE_SIGWAIT) && !defined(HAVE_mit_thread) && !defined(HAVE_rts_threads) && !defined(sigwait) && !defined(alpha_linux_port) && !defined(HAVE_NONPOSIX_SIGWAIT) && !defined(HAVE_DEC_3_2_THREADS) && !defined(_AIX)

  int sigwait(sigset_t *setp, int *sigp);		/* Use our implemention */

  #endif

! #if !defined(HAVE_SIGSET) && !defined(HAVE_mit_thread) && !defined(sigset)

! #define sigset(A,B) do { struct sigaction s; sigset_t set;              \

!                          sigemptyset(&set);                             \

!                          s.sa_handler = (B);                            \

!                          s.sa_mask    = set;                            \

!                          s.sa_flags   = 0;                              \

!                          sigaction((A), &s, (struct sigaction *) NULL); \

                         } while (0)

  #endif

  #ifndef my_pthread_setprio

--- 332,358 ----

  #if !defined(HAVE_SIGWAIT) && !defined(HAVE_mit_thread) && !defined(HAVE_rts_threads) && !defined(sigwait) && !defined(alpha_linux_port) && !defined(HAVE_NONPOSIX_SIGWAIT) && !defined(HAVE_DEC_3_2_THREADS) && !defined(_AIX)

  int sigwait(sigset_t *setp, int *sigp);		/* Use our implemention */

  #endif

! 

! /*

!   We define my_sigset() and use that instead of the system sigset() so that

!   we can favor an implementation based on sigaction(). On some systems, such

!   as Mac OS X, sigset() results in flags such as SA_RESTART being set, and

!   we want to make sure that no such flags are set.

! */

! #if defined(HAVE_SIGACTION) && !defined(my_sigset)

! #define my_sigset(A,B) do { struct sigaction s; sigset_t set; int rc;      \

!                             DBUG_ASSERT((A) != 0);                         \

!                             sigemptyset(&set);                             \

!                             s.sa_handler = (B);                            \

!                             s.sa_mask    = set;                            \

!                             s.sa_flags   = 0;                              \

!                             rc= sigaction((A), &s, (struct sigaction *) NULL); \

!                             DBUG_ASSERT(rc == 0);                          \

                         } while (0)

+ #elif defined(HAVE_SIGSET) && !defined(my_sigset)

+ #define my_sigset(A,B) sigset((A),(B))

+ #elif !defined(my_sigset)

+ #define my_sigset(A,B) signal((A),(B))

  #endif

  #ifndef my_pthread_setprio

***************

*** 416,422 ****

  #undef	pthread_detach_this_thread

  #define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(tmp); }

  #undef sigset

! #define sigset(A,B) pthread_signal((A),(void (*)(int)) (B))

  #endif

  #if ((defined(HAVE_PTHREAD_ATTR_CREATE) && !defined(HAVE_SIGWAIT)) || defined(HAVE_DEC_3_2_THREADS)) && !defined(HAVE_CTHREADS_WRAPPER)

--- 437,443 ----

  #undef	pthread_detach_this_thread

  #define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(tmp); }

  #undef sigset

! #define my_sigset(A,B) pthread_signal((A),(void (*)(int)) (B))

  #endif

  #if ((defined(HAVE_PTHREAD_ATTR_CREATE) && !defined(HAVE_SIGWAIT)) || defined(HAVE_DEC_3_2_THREADS)) && !defined(HAVE_CTHREADS_WRAPPER)

***************

*** 76,96 ****

    alarm_aborted=0;

    init_queue(&alarm_queue,max_alarms+1,offsetof(ALARM,expire_time),0,

  	     compare_ulong,NullS);

!   sigfillset(&full_signal_set);			/* Neaded to block signals */

    pthread_mutex_init(&LOCK_alarm,MY_MUTEX_INIT_FAST);

    pthread_cond_init(&COND_alarm,NULL);

! #if THR_CLIENT_ALARM != SIGALRM || defined(USE_ALARM_THREAD)

! #if defined(HAVE_mit_thread)

!   sigset(THR_CLIENT_ALARM,thread_alarm);	/* int. thread system calls */

! #else

    {

!     struct sigaction sact;

!     sact.sa_flags = 0;

!     sact.sa_handler = thread_alarm;

!     sigaction(THR_CLIENT_ALARM, &sact, (struct sigaction*) 0);

    }

- #endif

- #endif

    sigemptyset(&s);

    sigaddset(&s, THR_SERVER_ALARM);

    alarm_thread=pthread_self();

--- 74,89 ----

    alarm_aborted=0;

    init_queue(&alarm_queue,max_alarms+1,offsetof(ALARM,expire_time),0,

  	     compare_ulong,NullS);

!   sigfillset(&full_signal_set);			/* Needed to block signals */

    pthread_mutex_init(&LOCK_alarm,MY_MUTEX_INIT_FAST);

    pthread_cond_init(&COND_alarm,NULL);

! #ifndef USE_ALARM_THREAD

!   if (thd_lib_detected != THD_LIB_LT)

! #endif

    {

!     my_sigset(thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1,

! 	      thread_alarm);

    }

    sigemptyset(&s);

    sigaddset(&s, THR_SERVER_ALARM);

    alarm_thread=pthread_self();

***************

*** 108,120 ****

    }

  #elif defined(USE_ONE_SIGNAL_HAND)

    pthread_sigmask(SIG_BLOCK, &s, NULL);		/* used with sigwait() */

! #if THR_SERVER_ALARM == THR_CLIENT_ALARM

!   sigset(THR_CLIENT_ALARM,process_alarm);	/* Linuxthreads */

!   pthread_sigmask(SIG_UNBLOCK, &s, NULL);

! #endif

  #else

    pthread_sigmask(SIG_UNBLOCK, &s, NULL);

-   sigset(THR_SERVER_ALARM,process_alarm);

  #endif

    DBUG_VOID_RETURN;

  }

--- 101,115 ----

    }

  #elif defined(USE_ONE_SIGNAL_HAND)

    pthread_sigmask(SIG_BLOCK, &s, NULL);		/* used with sigwait() */

!   if (thd_lib_detected == THD_LIB_LT)

!   {

!     my_sigset(thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1,

!               process_alarm);        /* Linuxthreads */

!     pthread_sigmask(SIG_UNBLOCK, &s, NULL);

!   }

  #else

+   my_sigset(THR_SERVER_ALARM, process_alarm);

    pthread_sigmask(SIG_UNBLOCK, &s, NULL);

  #endif

    DBUG_VOID_RETURN;

  }

***************

*** 240,246 ****

        if (alarm_data->malloced)

  	my_free((gptr) alarm_data,MYF(0));

        found++;

! #ifndef DBUG_OFF

        break;

  #endif

      }

--- 235,241 ----

        if (alarm_data->malloced)

  	my_free((gptr) alarm_data,MYF(0));

        found++;

! #ifdef DBUG_OFF

        break;

  #endif

      }

***************

*** 249,258 ****

    if (!found)

    {

      if (*alarmed)

!       fprintf(stderr,"Warning: Didn't find alarm %lx in queue of %d alarms\n",

! 	      (long) *alarmed, alarm_queue.elements);

!     DBUG_PRINT("warning",("Didn't find alarm %lx in queue\n",

! 			  (long) *alarmed));

    }

    pthread_mutex_unlock(&LOCK_alarm);

    pthread_sigmask(SIG_SETMASK,&old_mask,NULL);

--- 244,254 ----

    if (!found)

    {

      if (*alarmed)

!       fprintf(stderr,

!               "Warning: Didn't find alarm 0x%lx in queue of %d alarms\n",

!               (long) *alarmed, alarm_queue.elements);

!     DBUG_PRINT("warning",("Didn't find alarm 0x%lx in queue\n",

!                          (long) *alarmed));

    }

    pthread_mutex_unlock(&LOCK_alarm);

    pthread_sigmask(SIG_SETMASK,&old_mask,NULL);

***************

*** 274,291 ****

    This must be first as we can't call DBUG inside an alarm for a normal thread

  */

! #if THR_SERVER_ALARM == THR_CLIENT_ALARM

!   if (!pthread_equal(pthread_self(),alarm_thread))

    {

  #if defined(MAIN) && !defined(__bsdi__)

!     printf("thread_alarm\n"); fflush(stdout);

  #endif

  #ifdef DONT_REMEMBER_SIGNAL

!     sigset(THR_CLIENT_ALARM,process_alarm);	/* int. thread system calls */

  #endif

      return;

    }

- #endif

    /*

      We have to do do the handling of the alarm in a sub function,

--- 270,287 ----

    This must be first as we can't call DBUG inside an alarm for a normal thread

  */

!   if (thd_lib_detected == THD_LIB_LT &&

!       !pthread_equal(pthread_self(),alarm_thread))

    {

  #if defined(MAIN) && !defined(__bsdi__)

!     printf("thread_alarm in process_alarm\n"); fflush(stdout);

  #endif

  #ifdef DONT_REMEMBER_SIGNAL

!     my_sigset(thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1,

!               process_alarm);	/* int. thread system calls */

  #endif

      return;

    }

    /*

      We have to do do the handling of the alarm in a sub function,

***************

*** 301,307 ****

    process_alarm_part2(sig);

  #ifndef USE_ALARM_THREAD

  #if defined(DONT_REMEMBER_SIGNAL) && !defined(USE_ONE_SIGNAL_HAND)

!   sigset(THR_SERVER_ALARM,process_alarm);

  #endif

    pthread_mutex_unlock(&LOCK_alarm);

    pthread_sigmask(SIG_SETMASK,&old_mask,NULL);

--- 297,303 ----

    process_alarm_part2(sig);

  #ifndef USE_ALARM_THREAD

  #if defined(DONT_REMEMBER_SIGNAL) && !defined(USE_ONE_SIGNAL_HAND)

!   my_sigset(THR_SERVER_ALARM, process_alarm);

  #endif

    pthread_mutex_unlock(&LOCK_alarm);

    pthread_sigmask(SIG_SETMASK,&old_mask,NULL);

***************

*** 504,520 ****

    ARGSUSED

  */

- #if THR_CLIENT_ALARM != SIGALRM || defined(USE_ALARM_THREAD)

  static sig_handler thread_alarm(int sig)

  {

  #ifdef MAIN

    printf("thread_alarm\n"); fflush(stdout);

  #endif

  #ifdef DONT_REMEMBER_SIGNAL

!   sigset(sig,thread_alarm);		/* int. thread system calls */

  #endif

  }

- #endif

  #ifdef HAVE_TIMESPEC_TS_SEC

--- 499,513 ----

    ARGSUSED

  */

  static sig_handler thread_alarm(int sig)

  {

  #ifdef MAIN

    printf("thread_alarm\n"); fflush(stdout);

  #endif

  #ifdef DONT_REMEMBER_SIGNAL

!   my_sigset(sig, thread_alarm);		/* int. thread system calls */

  #endif

  }

  #ifdef HAVE_TIMESPEC_TS_SEC

***************

*** 915,921 ****

    printf("Warning: Got signal %d from thread %s\n",sig,my_thread_name());

    fflush(stdout);

  #ifdef DONT_REMEMBER_SIGNAL

!   sigset(sig,print_signal_warning);		/* int. thread system calls */

  #endif

  #ifndef OS2

    if (sig == SIGALRM)

--- 908,914 ----

    printf("Warning: Got signal %d from thread %s\n",sig,my_thread_name());

    fflush(stdout);

  #ifdef DONT_REMEMBER_SIGNAL

!   my_sigset(sig, print_signal_warning);         /* int. thread system calls */

  #endif

  #ifndef OS2

    if (sig == SIGALRM)