[newlib-cygwin/main] Cygwin: fcntl: move lock types definition to fcntl.h header

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=bc4a69935864cd01479e1ea0a2be7880306f2555

commit bc4a69935864cd01479e1ea0a2be7880306f2555
Author:     Corinna Vinschen <corinna@vinschen.de>
AuthorDate: Mon Aug 4 20:15:24 2025 +0200
Commit:     Corinna Vinschen <corinna@vinschen.de>
CommitDate: Mon Aug 4 20:51:03 2025 +0200

    Cygwin: fcntl: move lock types definition to fcntl.h header
    
    This is in preparation for implementing OFD locks per POSIX.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/flock.cc        | 4 ----
 winsup/cygwin/include/fcntl.h | 6 ++++++
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/winsup/cygwin/flock.cc b/winsup/cygwin/flock.cc
index 0eb908fd32a6..246fb02e149a 100644
--- a/winsup/cygwin/flock.cc
+++ b/winsup/cygwin/flock.cc
@@ -109,10 +109,6 @@
 #include <sys/queue.h>
 #include <wchar.h>
 
-#define F_WAIT 0x10	/* Wait until lock is granted */
-#define F_FLOCK 0x20	/* Use flock(2) semantics for lock */
-#define F_POSIX	0x40	/* Use POSIX semantics for lock */
-
 #ifndef OFF_MAX
 #define OFF_MAX LLONG_MAX
 #endif
diff --git a/winsup/cygwin/include/fcntl.h b/winsup/cygwin/include/fcntl.h
index 340aed4402a7..0c1c66d674a9 100644
--- a/winsup/cygwin/include/fcntl.h
+++ b/winsup/cygwin/include/fcntl.h
@@ -14,6 +14,12 @@ details. */
 
 #define O_NDELAY	_FNDELAY
 
+#ifdef __INSIDE_CYGWIN__
+#define F_WAIT	0x10	/* Wait until lock is granted */
+#define F_FLOCK 0x20	/* Use flock(2) semantics for lock */
+#define F_POSIX	0x40	/* Use POSIX semantics for lock */
+#endif
+
 /* F_LCK_MANDATORY: Request mandatory locks for this file descriptor.
 
    Cygwin extension to fcntl file locking mechanism.  By default, fcntl file