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https://github.com/VCMP-SqMod/SqMod.git
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113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02111-1301, USA */
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/* Prototypes when using thr_alarm library functions */
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#ifndef _thr_alarm_h
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#define _thr_alarm_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef USE_ALARM_THREAD
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#define USE_ONE_SIGNAL_HAND /* One must call process_alarm */
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#endif
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#ifdef HAVE_LINUXTHREADS
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#define THR_CLIENT_ALARM SIGALRM
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#else
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#define THR_CLIENT_ALARM SIGUSR1
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#endif
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#ifdef HAVE_rts_threads
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#undef USE_ONE_SIGNAL_HAND
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#define USE_ALARM_THREAD
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#define THR_SERVER_ALARM SIGUSR1
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#else
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#define THR_SERVER_ALARM SIGALRM
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#endif
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#if defined(DONT_USE_THR_ALARM)
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#define USE_ALARM_THREAD
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#undef USE_ONE_SIGNAL_HAND
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typedef struct st_thr_alarm_entry
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{
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uint crono;
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} thr_alarm_entry;
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#define thr_alarm_init(A) (A)->crono=0
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#define thr_alarm_in_use(A) (A)->crono
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#define init_thr_alarm(A)
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#define thr_alarm_kill(A)
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#define end_thr_alarm()
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#define thr_alarm(A,B) (((A)->crono=1)-1)
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#define thr_got_alarm(A) (A)->crono
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#define thr_end_alarm(A)
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#else
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#if defined(_WIN32)
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typedef struct st_thr_alarm_entry
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{
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rf_SetTimer crono;
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} thr_alarm_entry;
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#elif defined(__EMX__) || defined(OS2)
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typedef struct st_thr_alarm_entry
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{
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uint crono;
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uint event;
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} thr_alarm_entry;
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#else /* System with posix threads */
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typedef int thr_alarm_entry;
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#define thr_got_alarm(thr_alarm) (**(thr_alarm))
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#endif /* _WIN32 */
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typedef thr_alarm_entry* thr_alarm_t;
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typedef struct st_alarm {
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ulong expire_time;
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thr_alarm_entry alarmed; /* set when alarm is due */
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pthread_t thread;
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my_bool malloced;
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} ALARM;
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#define thr_alarm_init(A) (*(A))=0
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#define thr_alarm_in_use(A) (*(A)!= 0)
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void init_thr_alarm(uint max_alarm);
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bool thr_alarm(thr_alarm_t *alarmed, uint sec, ALARM *buff);
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void thr_alarm_kill(pthread_t thread_id);
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void thr_end_alarm(thr_alarm_t *alarmed);
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void end_thr_alarm(void);
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sig_handler process_alarm(int);
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#ifndef thr_got_alarm
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bool thr_got_alarm(thr_alarm_t *alrm);
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#endif
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#endif /* DONT_USE_THR_ALARM */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* _thr_alarm_h */
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