diff options
Diffstat (limited to 'tools/blktap2')
| -rw-r--r-- | tools/blktap2/drivers/libaio-compat.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/blktap2/drivers/libaio-compat.h b/tools/blktap2/drivers/libaio-compat.h index 353c36a869..47cd96de94 100644 --- a/tools/blktap2/drivers/libaio-compat.h +++ b/tools/blktap2/drivers/libaio-compat.h @@ -29,6 +29,7 @@ #ifndef __LIBAIO_COMPAT #define __LIBAIO_COMPAT +#include "../../config.h" #include <libaio.h> #include <unistd.h> #include <sys/syscall.h> @@ -50,6 +51,16 @@ static inline void __io_set_eventfd(struct iocb *iocb, int eventfd) c->resfd = eventfd; } +#ifdef HAVE_SYS_EVENTFD_H + +#include <sys/eventfd.h> + +static inline int tapdisk_sys_eventfd(int initval) +{ + return eventfd(initval, 0); +} + +#else /* Fallback */ #ifndef SYS_eventfd #ifndef __NR_eventfd # if defined(__alpha__) @@ -88,5 +99,6 @@ static inline int tapdisk_sys_eventfd(int initval) { return syscall(SYS_eventfd, initval, 0); } +#endif #endif /* __LIBAIO_COMPAT */ |