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Diffstat (limited to 'include/thr_alarm.h')
-rw-r--r-- | include/thr_alarm.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/include/thr_alarm.h b/include/thr_alarm.h new file mode 100644 index 00000000000..931896855f3 --- /dev/null +++ b/include/thr_alarm.h @@ -0,0 +1,100 @@ +/* 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 */ + +/* Prototypes when using thr_alarm library functions */ + +#ifndef _thr_alarm_h +#define _thr_alarm_h +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct st_alarm { + ulong expire_time; + int alarmed; /* 1 when alarm is due */ + pthread_t thread; + my_bool malloced; +} ALARM; + +#ifndef USE_ALARM_THREAD +#define USE_ONE_SIGNAL_HAND /* One must call process_alarm */ +#endif +#ifdef HAVE_LINUXTHREADS +#define THR_CLIENT_ALARM SIGALRM +#else +#define THR_CLIENT_ALARM SIGUSR1 +#endif +#ifdef HAVE_rts_threads +#undef USE_ONE_SIGNAL_HAND +#define USE_ALARM_THREAD +#define THR_SERVER_ALARM SIGUSR1 +#else +#define THR_SERVER_ALARM SIGALRM +#endif + +#ifdef DONT_USE_THR_ALARM + +#define USE_ALARM_THREAD +#undef USE_ONE_SIGNAL_HAND + +typedef struct st_win_timer +{ + uint crono; +} thr_alarm_t; + +#define thr_alarm_init(A) (A)->crono=0 +#define thr_alarm_in_use(A) (A).crono +#define init_thr_alarm(A) +#define thr_alarm_kill(A) +#define end_thr_alarm() +#define thr_alarm(A,B) (((A)->crono=1)-1) +#define thr_got_alarm(A) (A).crono +#define thr_end_alarm(A) + +#else + +#ifdef __WIN__ +typedef struct st_win_timer +{ + uint crono; +} thr_alarm_t; + +bool thr_got_alarm(thr_alarm_t *alrm); +#define thr_alarm_init(A) (A)->crono=0 +#define thr_alarm_in_use(A) (A)->crono +#define init_thr_alarm(A) +#define thr_alarm_kill(A) +#else + +typedef int* thr_alarm_t; +#define thr_got_alarm(thr_alarm) (*thr_alarm) +#define thr_alarm_init(A) (*A)=0 +#define thr_alarm_in_use(A) ((A) != 0) +void init_thr_alarm(uint max_alarm); +void thr_alarm_kill(pthread_t thread_id); +sig_handler process_alarm(int); +#endif /* __WIN__ */ + +bool thr_alarm(thr_alarm_t *alarmed,uint sec, ALARM *buff); +void thr_end_alarm(thr_alarm_t *alarmed); +void end_thr_alarm(void); +#endif /* DONT_USE_THR_ALARM */ + +#ifdef __cplusplus +} +#endif +#endif |