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[gapil.git] / listati / Mutex.c

diff --git a/listati/Mutex.c b/listati/Mutex.c
index 3d0c4c0f709f1461f7cb04879993fd813b40c074..2855c75989ea526e1cb3c0c0d7f1f666d7f92023 100644 (file)
--- a/listati/Mutex.c
+++ b/listati/Mutex.c
@@ -1,13 +1,13 @@
 /* Function MutexCreate: create a mutex/semaphore */
 int MutexCreate(key_t ipc_key) 
 {
-    const union semun semunion={1};             /* semaphore union structure */
+    const union semun semunion={1}; /* semaphore union structure */
     int sem_id, ret;
-    sem_id = semget(ipc_key, 1, IPC_CREAT|0666);         /* get semaphore ID */
-    if (sem_id == -1) {                              /* if error return code */
+    sem_id = semget(ipc_key, 1, IPC_CREAT|0666); /* get semaphore ID */
+    if (sem_id == -1) {             /* if error return code */
         return sem_id;
     }
-    ret = semctl(sem_id, 0, SETVAL, semunion);             /* init semaphore */
+    ret = semctl(sem_id, 0, SETVAL, semunion);   /* init semaphore */
     if (ret == -1) {
         return ret;
     }
@@ -24,14 +24,14 @@ int MutexRead(int sem_id)
     return semctl(sem_id, 0, GETVAL);
 }
 /* Define sembuf structures to lock and unlock the semaphore  */
-struct sembuf sem_lock={                                /* to lock semaphore */
-    0,                                   /* semaphore number (only one so 0) */
-    -1,                                    /* operation (-1 to use resource) */
-    SEM_UNDO};                                /* flag (set for undo at exit) */
-struct sembuf sem_ulock={                             /* to unlock semaphore */
-    0,                                   /* semaphore number (only one so 0) */
-    1,                                  /* operation (1 to release resource) */
-    SEM_UNDO};                                      /* flag (in this case 0) */
+struct sembuf sem_lock={  /* to lock semaphore */
+    0,                    /* semaphore number (only one so 0) */
+    -1,                   /* operation (-1 to use resource) */
+    SEM_UNDO};            /* flag (set for undo at exit) */
+struct sembuf sem_ulock={ /* to unlock semaphore */
+    0,                    /* semaphore number (only one so 0) */
+    1,                    /* operation (1 to release resource) */
+    SEM_UNDO};            /* flag (in this case 0) */
 /* Function MutexLock: to lock a mutex/semaphore */
 int MutexLock(int sem_id) 
 {