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-rw-r--r--winsup/cygwin/include/sys/ipc.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/winsup/cygwin/include/sys/ipc.h b/winsup/cygwin/include/sys/ipc.h
index 8ddec6d50..c718a173a 100644
--- a/winsup/cygwin/include/sys/ipc.h
+++ b/winsup/cygwin/include/sys/ipc.h
@@ -39,9 +39,10 @@ struct ipc_perm {
/* this is a value that will _never_ be a valid key from ftok */
#define IPC_PRIVATE -2
-#define IPC_RMID 0x0003
-#define IPC_SET 0x0002
-#define IPC_STAT 0x0001
+/* ctl commands 1000-1fff is ipc reserved */
+#define IPC_RMID 0x1003
+#define IPC_SET 0x1002
+#define IPC_STAT 0x1001
key_t ftok(const char *, int);