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-rw-r--r--eio.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/eio.c b/eio.c
index ed73af2..725de8e 100644
--- a/eio.c
+++ b/eio.c
@@ -179,6 +179,15 @@ static mutex_t reslock = X_MUTEX_INIT;
static mutex_t reqlock = X_MUTEX_INIT;
static cond_t reqwait = X_COND_INIT;
+#if !HAVE_PREADWRITE
+/*
+ * make our pread/pwrite emulation safe against themselves, but not against
+ * normal read/write by using a mutex. slows down execution a lot,
+ * but that's your problem, not mine.
+ */
+static mutex_t preadwritelock = X_MUTEX_INIT;
+#endif
+
typedef struct etp_worker
{
/* locked by wrklock */
@@ -702,13 +711,6 @@ int eio_poll (void)
# define pread eio__pread
# define pwrite eio__pwrite
-/*
- * make our pread/pwrite safe against themselves, but not against
- * normal read/write by using a mutex. slows down execution a lot,
- * but that's your problem, not mine.
- */
-static mutex_t preadwritelock = X_MUTEX_INIT;
-
static ssize_t
eio__pread (int fd, void *buf, size_t count, off_t offset)
{