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Add cv_timedwait_io()

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Add missing helper function cv_timedwait_io(), it should be used
when waiting on IO with a specified timeout.

Reviewed-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #674
This commit is contained in:
Brian Behlendorf
2018-01-24 11:33:47 -08:00
committed by GitHub
parent fb79036f28
commit 23602fdb39
3 changed files with 73 additions and 8 deletions
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include/sys/condvar.h
+2
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@@ -56,6 +56,7 @@ extern void __cv_wait(kcondvar_t *, kmutex_t *);
extern void __cv_wait_io(kcondvar_t *, kmutex_t *);
extern void __cv_wait_sig(kcondvar_t *, kmutex_t *);
extern clock_t __cv_timedwait(kcondvar_t *, kmutex_t *, clock_t);
extern clock_t __cv_timedwait_io(kcondvar_t *, kmutex_t *, clock_t);
extern clock_t __cv_timedwait_sig(kcondvar_t *, kmutex_t *, clock_t);
extern clock_t cv_timedwait_hires(kcondvar_t *, kmutex_t *, hrtime_t,
hrtime_t res, int flag);
@@ -71,6 +72,7 @@ extern void __cv_broadcast(kcondvar_t *c);
#define cv_wait_sig(cvp, mp) __cv_wait_sig(cvp, mp)
#define cv_wait_interruptible(cvp, mp) cv_wait_sig(cvp, mp)
#define cv_timedwait(cvp, mp, t) __cv_timedwait(cvp, mp, t)
#define cv_timedwait_io(cvp, mp, t) __cv_timedwait_io(cvp, mp, t)
#define cv_timedwait_sig(cvp, mp, t) __cv_timedwait_sig(cvp, mp, t)
#define cv_timedwait_interruptible(cvp, mp, t) cv_timedwait_sig(cvp, mp, t)
#define cv_signal(cvp) __cv_signal(cvp)