This takes care of both the CLOEXEC flag and fd-path mapping for image
locking.
Signed-off-by: Fam Zheng <f...@redhat.com>
---
include/qemu/osdep.h | 3 +++
util/osdep.c | 9 +++++++++
2 files changed, 12 insertions(+)
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 749214a..89c63c7 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -281,6 +281,9 @@ 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);
+#ifndef _WIN32
+int qemu_dup(int fd);
+#endif
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 085ed52..1c87c1e 100644
--- a/util/osdep.c
+++ b/util/osdep.c
@@ -133,6 +133,15 @@ fail:
return -1;
}
+int qemu_dup(int fd)
+{
+ int r = qemu_dup_flags(fd, 0);
+ if (r == -1) {
+ return -errno;
+ }
+ return r;
+}
+
static int qemu_parse_fdset(const char *param)
{
return qemu_parse_fd(param);
--
2.8.2
