40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* asynchio.h - Asynchronous I/O Author: Kees J. Bot
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* 26 Jan 1995
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* This is just a fake async I/O library to be used for programs
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* written for Minix-vmd that must also run under standard Minix.
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* This limits the number of ugly #ifdefs somewhat. The programs must
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* be restricted to performing just one service, of course.
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*/
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#ifndef _SYS__ASYNCHIO_H
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#define _SYS__ASYNCHIO_H
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#ifndef _ANSI_H
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#include <ansi.h>
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#endif
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#include <sys/time.h>
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typedef struct {
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char state;
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char op;
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char fd;
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char req;
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void *data;
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ssize_t count;
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int errno;
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} asynchio_t;
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#define ASYN_NONBLOCK 0x01
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#define ASYN_INPROGRESS EINPROGRESS
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void asyn_init(asynchio_t *_asyn);
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ssize_t asyn_read(asynchio_t *_asyn, int _fd, void *_buf, size_t _len);
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ssize_t asyn_write(asynchio_t *_asyn, int _fd, const void *_buf, size_t _len);
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int asyn_ioctl(asynchio_t *_asyn, int _fd, unsigned long _request, void *_data);
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int asyn_wait(asynchio_t *_asyn, int _flags, struct timeval *to);
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int asyn_synch(asynchio_t *_asyn, int _fd);
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int asyn_close(asynchio_t *_asyn, int _fd);
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#endif /* _SYS__ASYNCHIO_H */
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