diff options
Diffstat (limited to 'storage/innodb_plugin/plug.in.disabled')
| -rw-r--r-- | storage/innodb_plugin/plug.in.disabled | 162 |
1 files changed, 115 insertions, 47 deletions
diff --git a/storage/innodb_plugin/plug.in.disabled b/storage/innodb_plugin/plug.in.disabled index 42915ac7426..4ebde50cb35 100644 --- a/storage/innodb_plugin/plug.in.disabled +++ b/storage/innodb_plugin/plug.in.disabled @@ -37,33 +37,75 @@ MYSQL_PLUGIN_ACTIONS(innodb_plugin, [ irix*|osf*|sysv5uw7*|openbsd*) CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";; *solaris*|*SunOS*) - # Begin Solaris atomic function checks - AC_CHECK_FUNCS(atomic_cas_ulong atomic_cas_32 \ - atomic_cas_64 atomic_add_long, - AC_DEFINE( - [HAVE_SOLARIS_ATOMICS], - [1], - [Define to 1 if Solaris supports \ - atomic functions.])) - ### End Solaris atomic function checks - CFLAGS="$CFLAGS -DUNIV_SOLARIS";; esac + INNODB_DYNAMIC_CFLAGS="-DMYSQL_DYNAMIC_PLUGIN" - case "$target_cpu---$target_os" in - x86_64---*) + + case "$target_cpu" in + x86_64) # The AMD64 ABI forbids absolute addresses in shared libraries ;; - *---solaris*|*---SunOS*) - # Shared objects must be linked from PIC code on Solaris. - ;; - *86---) + *86) # Use absolute addresses on IA-32 INNODB_DYNAMIC_CFLAGS="$INNODB_DYNAMIC_CFLAGS -prefer-non-pic" ;; esac AC_SUBST(INNODB_DYNAMIC_CFLAGS) + + AC_MSG_CHECKING(whether GCC atomic builtins are available) + # either define HAVE_IB_GCC_ATOMIC_BUILTINS or not + AC_TRY_RUN( + [ + int main() + { + long x; + long y; + long res; + char c; + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x, y); + if (!res || x != y) { + return(1); + } + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x + 1, y); + if (res || x != 10) { + return(1); + } + + x = 10; + y = 123; + res = __sync_add_and_fetch(&x, y); + if (res != 123 + 10 || x != 123 + 10) { + return(1); + } + + c = 10; + res = __sync_lock_test_and_set(&c, 123); + if (res != 10 || c != 123) { + return(1); + } + + return(0); + } + ], + [ + AC_DEFINE([HAVE_IB_GCC_ATOMIC_BUILTINS], [1], + [GCC atomic builtins are available]) + AC_MSG_RESULT(yes) + ], + [ + AC_MSG_RESULT(no) + ] + ) + AC_MSG_CHECKING(whether pthread_t can be used by GCC atomic builtins) + # either define HAVE_IB_ATOMIC_PTHREAD_T_GCC or not AC_TRY_RUN( [ #include <pthread.h> @@ -84,47 +126,73 @@ MYSQL_PLUGIN_ACTIONS(innodb_plugin, [ } ], [ - AC_DEFINE([HAVE_ATOMIC_PTHREAD_T], [1], + AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_GCC], [1], [pthread_t can be used by GCC atomic builtins]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ] - ) + ) - # Try using solaris atomics on SunOS if GCC atomics are not available - AC_CHECK_DECLS( - [HAVE_ATOMIC_PTHREAD_T], + AC_MSG_CHECKING(whether Solaris libc atomic functions are available) + # either define HAVE_IB_SOLARIS_ATOMICS or not + AC_CHECK_FUNCS(atomic_add_long \ + atomic_cas_32 \ + atomic_cas_64 \ + atomic_cas_ulong, + + AC_DEFINE([HAVE_IB_SOLARIS_ATOMICS], [1], + [Define to 1 if Solaris libc atomic functions \ + are available]) + ) + + AC_MSG_CHECKING(whether pthread_t can be used by Solaris libc atomic functions) + # either define HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS or not + AC_TRY_RUN( [ - AC_MSG_NOTICE(no need to check pthread_t size) + #include <pthread.h> + #include <string.h> + + int main(int argc, char** argv) { + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + if (sizeof(pthread_t) == 4) { + + atomic_cas_32(&x1, x2, x3); + + } else if (sizeof(pthread_t) == 8) { + + atomic_cas_64(&x1, x2, x3); + + } else { + + return(1); + } + + return(0); + } ], [ - AC_CHECK_DECLS( - [HAVE_SOLARIS_ATOMICS], - [ - AC_MSG_CHECKING(checking if pthread_t size is integral) - AC_TRY_RUN( - [ - #include <pthread.h> - int main() - { - pthread_t x = 0; - return(0); - } - ], - [ - AC_DEFINE([HAVE_ATOMIC_PTHREAD_T], [1], + AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS], [1], [pthread_t can be used by solaris atomics]) - AC_MSG_RESULT(yes) - # size of pthread_t is needed for typed solaris atomics - AC_CHECK_SIZEOF([pthread_t], [], [#include <pthread.h>]) - ], - [ - AC_MSG_RESULT(no) - ]) - ]) - ]) + AC_MSG_RESULT(yes) + ], + [ + AC_MSG_RESULT(no) + ] + ) + + # this is needed to know which one of atomic_cas_32() or atomic_cas_64() + # to use in the source + AC_CHECK_SIZEOF([pthread_t], [], [#include <pthread.h>]) + # Check for x86 PAUSE instruction AC_MSG_CHECKING(for x86 PAUSE instruction) # We have to actually try running the test program, because of a bug @@ -141,7 +209,7 @@ MYSQL_PLUGIN_ACTIONS(innodb_plugin, [ } ], [ - AC_DEFINE([IB_HAVE_PAUSE_INSTRUCTION], [1], [Does x86 PAUSE instruction exist]) + AC_DEFINE([HAVE_IB_PAUSE_INSTRUCTION], [1], [Does x86 PAUSE instruction exist]) AC_MSG_RESULT(yes) ], [ |