abis/linux: Add missing defines to sem.h

Author: Dennisbonke

abis/linux/sem.h

@@ -12,6 +12,10 @@
 
 #define SEM_UNDO 0x1000
 
+#define SEM_STAT 18
+#define SEM_INFO 19
+#define SEM_STAT_ANY 20
+
 struct sembuf {
 	unsigned short int sem_num;
 	short int sem_op;
@@ -27,4 +31,17 @@ struct semid_ds {
 	unsigned long   __unused[2];
 };
 
+struct seminfo {
+	int semmap;
+	int semmni;
+	int semmns;
+	int semmnu;
+	int semmsl;
+	int semopm;
+	int semume;
+	int semusz;
+	int semvmx;
+	int semaem;
+};
+
 #endif /* _ABIBITS_SEM_H */