+++ /dev/null
-typedef unsigned short ushort;
-struct sembuf {
- ushort sem_num;
- short sem_op;
- short sem_flg;
-};
-union semun {
- int val;
- struct semid_ds *buf;
- ushort *array;
- struct seminfo *__buf;
- void *__pad;
-};
-static union semun semctl_arg;
-static int semid;
-static void up(int sem){
- struct sembuf sb;
- sb.sem_num = (unsigned short) sem;
- sb.sem_op = 1;
- sb.sem_flg = 0x1000 ;
- if(semop(semid, &sb, 1) == -1) error("up failure");
- if(semctl(semid, sb.sem_num, 12 , semctl_arg) == 0)
- printf("%s had processes sleeping on it!\n",
- ({ "MUTEX ", "BARB_SEM 1", "BARB_SEM 2", "CUST_SEM 1", "CUST_SEM 2", "WA
-IT_SEM 1", "WAIT_SEM 2", "WAIT_SEM 3", "WAIT_SEM 4"} [( sb.sem_num )]) );
-}
--- /dev/null
+typedef unsigned short ushort;
+struct sembuf {
+ ushort sem_num;
+ short sem_op;
+ short sem_flg;
+};
+union semun {
+ int val;
+ struct semid_ds *buf;
+ ushort *array;
+ struct seminfo *__buf;
+ void *__pad;
+};
+static union semun semctl_arg;
+static int semid;
+static void up(int sem){
+ struct sembuf sb;
+ sb.sem_num = (unsigned short) sem;
+ sb.sem_op = 1;
+ sb.sem_flg = 0x1000 ;
+ if(semop(semid, &sb, 1) == -1) error("up failure");
+ if(semctl(semid, sb.sem_num, 12 , semctl_arg) == 0)
+ printf("%s had processes sleeping on it!\n",
+ ({ "MUTEX ", "BARB_SEM 1", "BARB_SEM 2", "CUST_SEM 1", "CUST_SEM 2", "WA
+IT_SEM 1", "WAIT_SEM 2", "WAIT_SEM 3", "WAIT_SEM 4"} [( sb.sem_num )]) );
+}