mirror of
https://github.com/MariaDB/server.git
synced 2025-11-04 12:56:14 +01:00
69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/*
|
|
Copyright (c) 2000, 2010, Oracle and/or its affiliates.
|
|
|
|
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 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>
|
|
#ifdef HAVE_SIGHANDLER_T
|
|
#define sig_return sighandler_t
|
|
#elif defined(SOLARIS) || defined(__sun) || defined(__APPLE__) || \
|
|
defined(_AIX) || \
|
|
defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \
|
|
defined(__DragonFly__)
|
|
typedef void (*sig_return)(int); /* Returns type from signal */
|
|
#else
|
|
typedef void (*sig_return)(void); /* Returns type from signal */
|
|
#endif
|
|
#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 SIGNAL_HANDLER_RESET_ON_DELIVERY
|
|
#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 /* SIGNAL_HANDLER_RESET_ON_DELIVERY */
|
|
#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
|