Move fcntl_setfl() to oslib-posix

It is only implemented for POSIX anyway.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220323155743.1585078-30-marcandre.lureau@redhat.com>
[Add braces around if statements. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 577c855612..a069dbff69 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -936,3 +936,18 @@ size_t qemu_get_host_physmem(void)
 #endif
     return 0;
 }
+
+/* Sets a specific flag */
+int fcntl_setfl(int fd, int flag)
+{
+    int flags;
+
+    flags = fcntl(fd, F_GETFL);
+    if (flags == -1) {
+        return -errno;
+    }
+    if (fcntl(fd, F_SETFL, flags | flag) == -1) {
+        return -errno;
+    }
+    return 0;
+}