This takes care both the CLOEXEC flag and fd-path mapping for image
locking.
Signed-off-by: Fam Zheng <f...@redhat.com>
---
include/qemu/osdep.h | 1 +
util/osdep.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 81913a7..0e51279 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -266,6 +266,7 @@ int qemu_madvise(void *addr, size_t len, int advice);
int qemu_open(const char *name, int flags, ...);
int qemu_close(int fd);
int qemu_lock_fd(int fd, int64_t start, int64_t len, bool exclusive);
+int qemu_dup(int fd);
int qemu_unlock_fd(int fd, int64_t start, int64_t len);
#if defined(__HAIKU__) && defined(__i386__)
diff --git a/util/osdep.c b/util/osdep.c
index 9e5d7fa..966bc32 100644
--- a/util/osdep.c
+++ b/util/osdep.c
@@ -267,6 +267,12 @@ int qemu_unlock_fd(int fd, int64_t start, int64_t len)
return qemu_lock_fcntl(fd, start, len, F_UNLCK);
}
+int qemu_dup(int fd)
+{
+ return qemu_dup_flags(fd, 0);
+}
+
+
/*
* A variant of write(2) which handles partial write.
*
--
2.8.2
