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MDEV-9112: Non-blocking client API missing on non-x86 platforms

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The check for UCONTEXT in cmake was somehow become broken, disabling the
fallback to ucontext. This caused the non-blocking client API to not be
available for non-x86 platforms, on which no hand-crafted assembler
implementation of my_context is available.
This commit is contained in:
Georg Richter 2016-02-01 16:10:49 +01:00 committed by Kristian Nielsen
parent 9c9d10b441
commit 8cf1f50967
4 changed files with 6 additions and 2 deletions
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2
config.h.cmake
View file

@ -95,6 +95,7 @@
#cmakedefine HAVE_SYS_TYPES_H 1
#cmakedefine HAVE_SYS_UN_H 1
#cmakedefine HAVE_SYS_VADVISE_H 1
#cmakedefine HAVE_UCONTEXT_H 1
#cmakedefine HAVE_TERM_H 1
#cmakedefine HAVE_TERMBITS_H 1
#cmakedefine HAVE_TERMIOS_H 1
@ -291,7 +292,6 @@
#cmakedefine HAVE_THR_YIELD 1
#cmakedefine HAVE_TIME 1
#cmakedefine HAVE_TIMES 1
#cmakedefine HAVE_UCONTEXT 1
#cmakedefine HAVE_VALLOC 1
#cmakedefine HAVE_VIDATTR 1
#define HAVE_VIO_READ_BUFF 1

3
configure.cmake
View file

@ -1098,3 +1098,6 @@ CHECK_STRUCT_HAS_MEMBER("struct dirent" d_ino "dirent.h" STRUCT_DIRENT_HAS_D_IN
CHECK_STRUCT_HAS_MEMBER("struct dirent" d_namlen "dirent.h" STRUCT_DIRENT_HAS_D_NAMLEN)
SET(SPRINTF_RETURNS_INT 1)
CHECK_INCLUDE_FILE(ucontext.h HAVE_UCONTEXT_H)
IF(NOT HAVE_UCONTEXT_H)
CHECK_INCLUDE_FILE(sys/ucontext.h HAVE_UCONTEXT_H)
ENDIF()

2
include/my_context.h
View file

@ -31,7 +31,7 @@
#define MY_CONTEXT_USE_X86_64_GCC_ASM
#elif defined(__GNUC__) && __GNUC__ >= 3 && defined(__i386__)
#define MY_CONTEXT_USE_I386_GCC_ASM
#elif defined(HAVE_UCONTEXT)
#elif defined(HAVE_UCONTEXT_H)
#define MY_CONTEXT_USE_UCONTEXT
#else
#define MY_CONTEXT_DISABLE

1
sql-common/client.c
View file

@ -4293,6 +4293,7 @@ mysql_options(MYSQL *mysql,enum mysql_option option, const void *arg)
stacksize= ASYNC_CONTEXT_DEFAULT_STACK_SIZE;
if (my_context_init(&ctxt->async_context, stacksize))
{
set_mysql_error(mysql, CR_OUT_OF_MEMORY, unknown_sqlstate);
my_free(ctxt);
DBUG_RETURN(1);
}