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author | sjg <sjg@FreeBSD.org> | 2013-09-11 18:16:18 +0000 |
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committer | sjg <sjg@FreeBSD.org> | 2013-09-11 18:16:18 +0000 |
commit | ff87b5d1477fd150ff715e5c3c2a205deb66804f (patch) | |
tree | a3620d99f472deaa7f019c4324bb8f4e38ac4272 /cddl | |
parent | 62bb1062226d3ce6a2350808256a25508978352d (diff) | |
parent | 4d92de31b23f33109e1fa7f0b1499ed6c3501ee1 (diff) | |
download | FreeBSD-src-ff87b5d1477fd150ff715e5c3c2a205deb66804f.zip FreeBSD-src-ff87b5d1477fd150ff715e5c3c2a205deb66804f.tar.gz |
Merge head
Diffstat (limited to 'cddl')
-rw-r--r-- | cddl/contrib/opensolaris/lib/libzpool/common/kernel.c | 35 | ||||
-rw-r--r-- | cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h | 2 |
2 files changed, 37 insertions, 0 deletions
diff --git a/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c b/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c index 71c3dce..c4e2d2e 100644 --- a/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c +++ b/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c @@ -349,6 +349,41 @@ top: return (1); } +/*ARGSUSED*/ +clock_t +cv_timedwait_hires(kcondvar_t *cv, kmutex_t *mp, hrtime_t tim, hrtime_t res, + int flag) +{ + int error; + timestruc_t ts; + hrtime_t delta; + + ASSERT(flag == 0); + +top: + delta = tim - gethrtime(); + if (delta <= 0) + return (-1); + + ts.tv_sec = delta / NANOSEC; + ts.tv_nsec = delta % NANOSEC; + + ASSERT(mutex_owner(mp) == curthread); + mp->m_owner = NULL; + error = pthread_cond_timedwait(cv, &mp->m_lock, &ts); + mp->m_owner = curthread; + + if (error == ETIMEDOUT) + return (-1); + + if (error == EINTR) + goto top; + + ASSERT(error == 0); + + return (1); +} + void cv_signal(kcondvar_t *cv) { diff --git a/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h b/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h index da153c7..15c181e 100644 --- a/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h +++ b/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h @@ -313,6 +313,8 @@ extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg); extern void cv_destroy(kcondvar_t *cv); extern void cv_wait(kcondvar_t *cv, kmutex_t *mp); extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime); +extern clock_t cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim, + hrtime_t res, int flag); extern void cv_signal(kcondvar_t *cv); extern void cv_broadcast(kcondvar_t *cv); |