Patches for NetBSD/macppc

Fixed bug in LEFT JOIN
Added bdb_log_buffer_size


Docs/manual.texi:
  Added documentation for mysqlhotcopy
client/mysql.cc:
  Fixed core dump when column names couldn't be read
configure.in:
  Fixed possible error
mit-pthreads/Changes-mysql:
  Patches for NetBSD/macppc
mit-pthreads/config/config.guess:
  Patches for NetBSD/macppc
mit-pthreads/config/configure.in:
  Patches for NetBSD/macppc
mit-pthreads/config/configure:
  Patches for NetBSD/macppc
mysql-test/r/join_outer.result:
  New join test
mysql-test/t/join_outer.test:
  New join test
scripts/mysqlhotcopy.sh:
  Patches from ASK
sql/ha_berkeley.cc:
  Adeed log buffer cache
sql/ha_berkeley.h:
  Adeed log buffer cache
sql/log.cc:
  Fixed possible overrun bug
sql/mysqld.cc:
  Fix for Mac OS X public beta
  Added bdb_log_buffer_size
sql/sql_select.cc:
  Fixed bug in LEFT JOIN
tests/mail_to_db.pl:
  Removed unsubscribe tails
tests/pmail.pl:
  Sort mails according to date

mit-pthreads/machdep/engine-powerpc-netbsd.c

@@ -0,0 +1,227 @@
+/* ==== machdep.c ============================================================
+ * Copyright (c) 1993, 1994 Chris Provenzano, proven@athena.mit.edu
+ *
+ * Description : Machine dependent functions for NetBSD/PowerPC (1.5+)
+ *
+ *     1.00 93/08/04 proven
+ *      -Started coding this file.
+ *
+ *     2001/01/10 briggs
+ *     -Modified to make it go with NetBSD/PowerPC
+ */
+
+#ifndef lint
+static const char rcsid[] = "engine-alpha-osf1.c,v 1.4.4.1 1995/12/13 05:41:37 proven Exp";
+#endif
+
+#include <pthread.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/syscall.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+/* ==========================================================================
+ * machdep_pthread_start()
+ */
+void machdep_pthread_start(void)
+{
+       context_switch_done();
+       pthread_sched_resume ();
+
+       /* XXXMLG
+        * This is EXTREMELY bogus, but it seems that this function is called
+        * with the pthread kernel locked.  If this happens, __errno() will
+        * return the wrong address until after the first context switch.
+        *
+        * Clearly there is a leak of pthread_kernel somewhere, but until
+        * it is found, we force a context switch here, just before calling
+        * the thread start routine.  When we return from pthread_yield
+        * the kernel will be unlocked.
+        */
+       pthread_yield();
+
+    /* Run current threads start routine with argument */
+    pthread_exit(pthread_run->machdep_data.start_routine
+      (pthread_run->machdep_data.start_argument));
+
+    /* should never reach here */
+    PANIC();
+}
+
+/* ==========================================================================
+ * __machdep_pthread_create()
+ */
+void __machdep_pthread_create(struct machdep_pthread *machdep_pthread,
+  void *(* start_routine)(void *), void *start_argument,
+  long stack_size, long nsec, long flags)
+{
+    machdep_pthread->start_routine = start_routine;
+    machdep_pthread->start_argument = start_argument;
+
+    machdep_pthread->machdep_timer.it_value.tv_sec = 0;
+    machdep_pthread->machdep_timer.it_interval.tv_sec = 0;
+    machdep_pthread->machdep_timer.it_interval.tv_usec = 0;
+    machdep_pthread->machdep_timer.it_value.tv_usec = nsec / 1000;
+
+    /* Set up new stack frame so that it looks like it returned from a
+       longjmp() to the beginning of machdep_pthread_start().  */
+    /* state is sigmask, then r8-r31 where r11 is the LR
+     * So, istate[3] is r10, which is the SP
+     * So, istate[4] is r11, which is the LR
+     * So, istate[5] is r12, which is the CR
+     */
+    machdep_pthread->machdep_istate[4] = (long)machdep_pthread_start;
+    machdep_pthread->machdep_istate[5] = 0;
+
+    /* PowerPC stack starts high and builds down, and needs to be 16-byte
+       aligned. */
+    machdep_pthread->machdep_istate[3] =
+	((long) machdep_pthread->machdep_stack + stack_size) & ~0xf;
+}
+
+/* ==========================================================================
+ * machdep_save_state()
+ */
+int machdep_save_state(void)
+{
+  return( _setjmp(pthread_run->machdep_data.machdep_istate) );
+}
+
+void machdep_restore_state(void)
+{
+  _longjmp(pthread_run->machdep_data.machdep_istate, 1);
+}
+
+void machdep_save_float_state (struct pthread *pthread)
+{
+  __machdep_save_fp_state(pthread->machdep_data.machdep_fstate);
+}
+
+void machdep_restore_float_state (void)
+{
+  __machdep_restore_fp_state(pthread_run->machdep_data.machdep_fstate);
+}
+
+/* ==========================================================================
+ * machdep_set_thread_timer()
+ */
+void machdep_set_thread_timer(struct machdep_pthread *machdep_pthread)
+{
+    if (setitimer(ITIMER_VIRTUAL, &(machdep_pthread->machdep_timer), NULL)) {
+        PANIC();
+    }
+}
+
+/* ==========================================================================
+ * machdep_unset_thread_timer()
+ */
+void machdep_unset_thread_timer(struct machdep_pthread *machdep_pthread)
+{
+    struct itimerval zeroval = { { 0, 0 }, { 0, 0} };
+
+    if (setitimer(ITIMER_VIRTUAL, &zeroval, NULL)) {
+        PANIC();
+    }
+}
+
+/* ==========================================================================
+ * machdep_pthread_cleanup()
+ */
+void *machdep_pthread_cleanup(struct machdep_pthread *machdep_pthread)
+{
+    return(machdep_pthread->machdep_stack);
+}
+
+void *machdep_pthread_cleanup(struct machdep_pthread *machdep_pthread);
+void machdep_pthread_start(void);
+
+/* ==========================================================================
+ * __machdep_stack_free()
+ */
+void
+__machdep_stack_free(void * stack)
+{
+    free(stack);
+}
+
+/* ==========================================================================
+ * __machdep_stack_alloc()
+ */
+void *
+__machdep_stack_alloc(size_t size)
+{
+    return(malloc(size));
+}
+
+/* ==========================================================================
+ * machdep_sys_creat()
+ */
+int
+machdep_sys_creat(char * path, int mode)
+{  
+        return(machdep_sys_open(path, O_WRONLY | O_CREAT | O_TRUNC, mode));
+}  
+
+/* ==========================================================================
+ * machdep_sys_wait3()
+ */ 
+int
+machdep_sys_wait3(int * b, int c, int *d)
+{   
+        return(machdep_sys_wait4(0, b, c, d));
+}  
+
+/* ==========================================================================
+ * machdep_sys_waitpid()
+ */  
+int
+machdep_sys_waitpid(int a, int * b, int c)
+{
+        return(machdep_sys_wait4(a, b, c, NULL));
+}
+
+/* ==========================================================================
+ * machdep_sys_getdtablesize()
+ */
+int
+machdep_sys_getdtablesize(void)
+{
+        return(sysconf(_SC_OPEN_MAX));
+}
+
+/* ==========================================================================
+ * machdep_sys_lseek()
+ */
+off_t
+machdep_sys_lseek(int fd, off_t offset, int whence)
+{
+       return(__syscall((quad_t)SYS_lseek, fd, 0, offset, whence));
+}
+
+int
+machdep_sys_ftruncate( int fd, off_t length)
+{
+       quad_t q;
+       int rv;
+
+       q = __syscall((quad_t)SYS_ftruncate, fd,0, length);
+       if( /* LINTED constant */ sizeof( quad_t ) == sizeof( register_t ) ||
+           /* LINTED constant */ BYTE_ORDER == LITTLE_ENDIAN )
+               rv = (int)q;
+       else
+               rv = (int)((u_quad_t)q >> 32);
+
+       return rv;
+}
+
+
+/* ==========================================================================
+ * machdep_sys_getdirentries()
+ */
+int
+machdep_sys_getdirentries(int fd, char * buf, int len, int * seek)
+{
+        return(machdep_sys_getdents(fd, buf, len));
+}