mq_notify: rework to fix use-after-close/double-close bugs

[musl] / include / sys / ipc.h

diff --git a/include/sys/ipc.h b/include/sys/ipc.h
index 9ac11fe..9e366b7 100644 (file)
--- a/include/sys/ipc.h
+++ b/include/sys/ipc.h
@@ -13,14 +13,16 @@ extern "C" {
 
 #include <bits/alltypes.h>
 
-#ifdef _GNU_SOURCE
-#define key __ipc_perm_key
-#define seq __ipc_perm_seq
-#define __key __ipc_perm_key
-#define __seq __ipc_perm_seq
+#define __ipc_perm_key __key
+#define __ipc_perm_seq __seq
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define __key key
+#define __seq seq
 #endif
 
 #include <bits/ipc.h>
+#include <bits/ipcstat.h>
 
 #define IPC_CREAT  01000
 #define IPC_EXCL   02000
@@ -28,7 +30,6 @@ extern "C" {
 
 #define IPC_RMID 0
 #define IPC_SET  1
-#define IPC_STAT 2
 #define IPC_INFO 3
 
 #define IPC_PRIVATE ((key_t) 0)