work around wrong kernel type for sem_nsems member of struct semid_ds

[musl] / include / sys / sem.h

diff --git a/include/sys/sem.h b/include/sys/sem.h
index cc3a3e6..e74ea20 100644 (file)
--- a/include/sys/sem.h
+++ b/include/sys/sem.h
@@ -25,13 +25,21 @@ extern "C" {
 #define SETVAL         16
 #define SETALL         17
 
+#include <endian.h>
+
 struct semid_ds {
        struct ipc_perm sem_perm;
        long sem_otime;
        unsigned long __unused1;
        long sem_ctime;
        unsigned long __unused2;
-       unsigned long sem_nsems;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+       unsigned short sem_nsems;
+       char __sem_nsems_pad[sizeof(long)-sizeof(short)];
+#else
+       char __sem_nsems_pad[sizeof(long)-sizeof(short)];
+       unsigned short sem_nsems;
+#endif
        unsigned long __unused3;
        unsigned long __unused4;
 };