100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
/*
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* os.h -- only included by sound_config.h right after local.h
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*
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*/
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#ifndef _OS_H_
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#define _OS_H_
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/proc.h>
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#include <sys/conf.h>
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#include <sys/fcntl.h>
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#include <sys/filio.h>
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#include <sys/uio.h>
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#include <sys/kernel.h>
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#include <sys/poll.h>
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#include <sys/malloc.h>
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#include <sys/buf.h>
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#include <sys/signalvar.h>
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#if NSND > 0
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#include <machine/soundcard.h>
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#undef DELAY
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#define DELAY(x) tenmicrosec(x)
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typedef struct uio snd_rw_buf;
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struct snd_wait {
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int mode;
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int aborting;
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};
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unsigned long get_time(void);
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#endif /* NSND > 0 */
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#endif /* _OS_H_ */
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typedef caddr_t ioctl_arg;
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typedef struct sound_os_info {
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int unit;
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} sound_os_info;
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/*
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* The following macro calls tsleep. It should be implemented such that
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* the process is resumed if it receives a signal.
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* The q parameter is a wait_queue defined with DEFINE_WAIT_QUEUE(),
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* and the second is a workarea parameter. The third is a timeout
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* in ticks. Zero means no timeout.
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*/
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#define DO_SLEEP(q, f, time_limit) \
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{ \
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int flag; \
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f.mode = WK_SLEEP; \
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flag=tsleep(&q, (PRIBIO-5)|PCATCH, "sndint", time_limit); \
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f.mode &= ~WK_SLEEP; \
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if (flag == EWOULDBLOCK) { \
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f.mode |= WK_TIMEOUT; \
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f.aborting = 0; \
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} else \
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f.aborting = flag; \
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}
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#define DO_SLEEP1(q, f, time_limit) \
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{ \
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int flag; \
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f.mode = WK_SLEEP; \
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flag=tsleep(&q, (PRIBIO-5)|PCATCH, "snd1", time_limit); \
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f.mode &= ~WK_SLEEP; \
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if (flag == EWOULDBLOCK) { \
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f.mode |= WK_TIMEOUT; \
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f.aborting = 0; \
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} else \
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f.aborting = flag; \
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}
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#define DO_SLEEP2(q, f, time_limit) \
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{ \
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int flag; \
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f.mode = WK_SLEEP; \
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flag=tsleep(&q, (PRIBIO-5)|PCATCH, "snd2", time_limit); \
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f.mode &= ~WK_SLEEP; \
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if (flag == EWOULDBLOCK) { \
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f.mode |= WK_TIMEOUT; \
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f.aborting = 0; \
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} else \
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f.aborting = flag; \
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}
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#define PROCESS_ABORTING( f) (f.aborting || CURSIG(curproc))
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#define TIMED_OUT( f) (f.mode & WK_TIMEOUT)
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#ifdef ALLOW_POLL
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typedef struct proc select_table;
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extern struct selinfo selinfo[];
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#endif
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