Changeset 36497 for lang/objective-cplusplus/i3/trunk

Timestamp:

01/21/10 23:14:31 (3 years ago)

Author:

saturday06

Message:

sem

Files:

• lang/objective-cplusplus/i3/trunk/src/mil/include/mil/Synchronize.h (modified) (1 diff)

lang/objective-cplusplus/i3/trunk/src/mil/include/mil/Synchronize.h

@@ -116 +116 @@
              << reinterpret_cast<uintptr_t>(this);
 
-        psem = sem_open(name.str().c_str(),
-                        /*O_CREAT |*/ O_EXCL, S_IRUSR | S_IWUSR | S_IXUSR, 0);
-        if (reinterpret_cast<int>(psem) == -1) {
-            halt << "sem_open() failed";
-        }
-
+        psem = sem_open(name.str().c_str(), O_CREAT | O_EXCL, S_IRUSR | S_IWUSR | S_IXUSR, 0);
+        if (psem != SEM_FAILED) {
+            return;
+        }
+        if (errno == EEXIST) {
+            debug << "semaphore [" << name.str() << "] is already exists.";
+            psem = sem_open(name.str().c_str(), O_EXCL, S_IRUSR | S_IWUSR | S_IXUSR, 0);
+            if (psem != SEM_FAILED) {
+                return;
+            }
+        }
+        halt << "sem_open() failed";
     }