add some missing macros to sys/shm.h

[musl] / include / sys / shm.h

diff --git a/include/sys/shm.h b/include/sys/shm.h
index fa92710..bca6ed6 100644 (file)
--- a/include/sys/shm.h
+++ b/include/sys/shm.h
@@ -1,6 +1,12 @@
 #ifndef _SYS_SHM_H
 #define _SYS_SHM_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <features.h>
+
 #define __NEED_time_t
 #define __NEED_size_t
 #define __NEED_pid_t
@@ -10,6 +16,9 @@
 #include <sys/ipc.h>
 #include <bits/shm.h>
 
+#define SHM_R 0400
+#define SHM_W 0200
+
 #define SHM_RDONLY 010000
 #define SHM_RND    020000
 #define SHM_REMAP  040000
@@ -43,4 +52,8 @@ int shmctl(int, int, struct shmid_ds *);
 int shmdt(const void *);
 int shmget(key_t, size_t, int);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif