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64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/* timer.h -- data structures used by the shell timers in lib/sh/timers.c */
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/* Copyright (C) 2021 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "bashjmp.h"
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typedef struct _shtimer
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{
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struct timeval tmout;
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int fd;
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int flags;
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int alrmflag; /* should be set by alrm_handler */
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SigHandler *alrm_handler;
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SigHandler *old_handler;
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procenv_t jmpenv;
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int (*tm_handler) (struct _shtimer *); /* called on timeout if set */
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PTR_T *data; /* reserved */
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} sh_timer;
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#define SHTIMER_ALARM 0x01 /* mutually exclusive */
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#define SHTIMER_SELECT 0x02
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#define SHTIMER_LONGJMP 0x04
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#define SHTIMER_SIGSET 0x100
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#define SHTIMER_ALRMSET 0x200
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extern sh_timer *shtimer_alloc (void);
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extern void shtimer_flush (sh_timer *);
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extern void shtimer_dispose (sh_timer *);
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extern void shtimer_set (sh_timer *, time_t, long);
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extern void shtimer_unset (sh_timer *);
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extern void shtimer_cleanup (sh_timer *);
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extern void shtimer_clear (sh_timer *);
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extern int shtimer_chktimeout (sh_timer *);
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extern int shtimer_select (sh_timer *);
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extern int shtimer_alrm (sh_timer *);
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