diff options
| author | Brian <runningnak3d@gmail.com> | 2010-06-09 00:34:46 -0600 |
|---|---|---|
| committer | Brian <runningnak3d@gmail.com> | 2010-06-09 00:34:46 -0600 |
| commit | 0a4899646d5b65c9221727f8f49b5ab7a6f03e7a (patch) | |
| tree | db8c61906a22499e4bb984be4e63bc1135d9dab2 /externals/mysql/my_alarm.h | |
| parent | 02efe02b43a7ce192cb313586eb2cb9df220575e (diff) | |
| parent | fb96f2b1d88a89fdb16387b26dcefc803370d94e (diff) | |
* Merge
--HG--
branch : trunk
Diffstat (limited to 'externals/mysql/my_alarm.h')
| -rw-r--r-- | externals/mysql/my_alarm.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/externals/mysql/my_alarm.h b/externals/mysql/my_alarm.h new file mode 100644 index 00000000000..dd2d5642f5f --- /dev/null +++ b/externals/mysql/my_alarm.h @@ -0,0 +1,58 @@ +/* Copyright (C) 2000 MySQL AB + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +/* + File to include when we want to use alarm or a loop_counter to display + some information when a program is running +*/ +#ifndef _my_alarm_h +#define _my_alarm_h +#ifdef __cplusplus +extern "C" { +#endif + +extern int volatile my_have_got_alarm; +extern ulong my_time_to_wait_for_lock; + +#if defined(HAVE_ALARM) && !defined(NO_ALARM_LOOP) +#include <signal.h> +#define ALARM_VARIABLES uint alarm_old=0; \ + sig_return alarm_signal=0 +#define ALARM_INIT my_have_got_alarm=0 ; \ + alarm_old=(uint) alarm(MY_HOW_OFTEN_TO_ALARM); \ + alarm_signal=signal(SIGALRM,my_set_alarm_variable); +#define ALARM_END (void) signal(SIGALRM,alarm_signal); \ + (void) alarm(alarm_old); +#define ALARM_TEST my_have_got_alarm +#ifdef DONT_REMEMBER_SIGNAL +#define ALARM_REINIT (void) alarm(MY_HOW_OFTEN_TO_ALARM); \ + (void) signal(SIGALRM,my_set_alarm_variable);\ + my_have_got_alarm=0; +#else +#define ALARM_REINIT (void) alarm((uint) MY_HOW_OFTEN_TO_ALARM); \ + my_have_got_alarm=0; +#endif /* DONT_REMEMBER_SIGNAL */ +#else +#define ALARM_VARIABLES long alarm_pos=0,alarm_end_pos=MY_HOW_OFTEN_TO_WRITE-1 +#define ALARM_INIT +#define ALARM_END +#define ALARM_TEST (alarm_pos++ >= alarm_end_pos) +#define ALARM_REINIT alarm_end_pos+=MY_HOW_OFTEN_TO_WRITE +#endif /* HAVE_ALARM */ + +#ifdef __cplusplus +} +#endif +#endif |