cosmopolitan/third_party/bash/timer.h
2023-12-11 07:38:17 -08:00

64 lines
1.8 KiB
C

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