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| author | Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> | 2012-01-18 14:40:40 +0000 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2012-01-26 11:45:26 +0100 |
| commit | 7e6246670add62116729bd93811e41eb60f66b77 (patch) | |
| tree | 725e2f597f9c646f12517256bb6852bb3c51f69e /qemu-coroutine.h | |
| parent | 031380d8770d2df6c386e4aeabd412007d3ebd54 (diff) | |
| download | qemu-7e6246670add62116729bd93811e41eb60f66b77.zip qemu-7e6246670add62116729bd93811e41eb60f66b77.tar.gz qemu-7e6246670add62116729bd93811e41eb60f66b77.tar.bz2 | |
coroutine: add co_sleep_ns() coroutine sleep function
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qemu-coroutine.h')
| -rw-r--r-- | qemu-coroutine.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/qemu-coroutine.h b/qemu-coroutine.h index 8a55fe1..34c15d4 100644 --- a/qemu-coroutine.h +++ b/qemu-coroutine.h @@ -17,6 +17,7 @@ #include <stdbool.h> #include "qemu-queue.h" +#include "qemu-timer.h" /** * Coroutines are a mechanism for stack switching and can be used for @@ -199,4 +200,12 @@ void qemu_co_rwlock_wrlock(CoRwlock *lock); */ void qemu_co_rwlock_unlock(CoRwlock *lock); +/** + * Yield the coroutine for a given duration + * + * Note this function uses timers and hence only works when a main loop is in + * use. See main-loop.h and do not use from qemu-tool programs. + */ +void coroutine_fn co_sleep_ns(QEMUClock *clock, int64_t ns); + #endif /* QEMU_COROUTINE_H */ |