mariadb/mysys/mf_brkhant.c
unknown b6cae0f647 Added functions for symbolic link handling to make it possible to
backport things from 4.0. This is safe as the functions are not used!
Fixed bug in new mutex handling in InnoDB
Make allow_break() and dont_break() defines.


Docs/manual.texi:
  Remove -fomit-frame-pointer from default binaries
configure.in:
  Use -lcma library on HPUX
include/my_sys.h:
  Added functions for symbolic link handling to make it possible to
  backport things from 4.0. (This is safe as the functions are not used!)
include/mysys_err.h:
  Error messages for symlink functions.
innobase/include/sync0sync.ic:
  Fixed bug in new mutex handling
mysys/Makefile.am:
  Symlink handling
mysys/errors.c:
  Symlink handling
mysys/mf_brkhant.c:
  Make allow_break() and dont_break() defines.
sql/sql_select.h:
  Fix for Intel compiler.
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted
2001-05-31 12:18:53 +03:00

74 lines
2 KiB
C

/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA */
/* Dont let the user break when you are doing something important */
/* Remembers if it got 'SIGINT' and executes it on allow_break */
/* A static buffer is used; don't call dont_break() twice in a row */
#include "mysys_priv.h"
#include "my_static.h"
/* Set variable that we can't break */
#if !defined(THREAD)
void dont_break(void)
{
my_dont_interrupt=1;
return;
} /* dont_break */
void allow_break(void)
{
{
reg1 int index;
my_dont_interrupt=0;
if (_my_signals)
{
if (_my_signals > MAX_SIGNALS)
_my_signals=MAX_SIGNALS;
for (index=0 ; index < _my_signals ; index++)
{
if (_my_sig_remember[index].func) /* Safequard */
{
(*_my_sig_remember[index].func)(_my_sig_remember[index].number);
_my_sig_remember[index].func=0;
}
}
_my_signals=0;
}
}
} /* dont_break */
#endif
/* Set old status */
#if !defined(THREAD)
void my_remember_signal(int signal_number, sig_handler (*func) (int))
{
#ifndef __WIN__
reg1 int index;
index=_my_signals++; /* Nobody can break a ++ ? */
if (index < MAX_SIGNALS)
{
_my_sig_remember[index].number=signal_number;
_my_sig_remember[index].func=func;
}
#endif /* __WIN__ */
} /* my_remember_signal */
#endif /* THREAD */