Changeset 20917

Timestamp:

11/12/07 11:58:34 (1 year ago)

Author:

patrick

Message:

Reset errno to 0 before calling sem_open(3). For some reason, this seems to
be critical for ensuring that sem_open(3) behaves correctly on Darwin 9.x
(Mac OS X 10.5).

Submitted by: Doug McCorkle? <mccdo at iastate dot edu>

Files:

• juggler/trunk/modules/vapor/vpr/md/POSIX/Sync/SemaphorePosix.cpp (modified) (1 diff)

juggler/trunk/modules/vapor/vpr/md/POSIX/Sync/SemaphorePosix.cpp

@@ -62 +62 @@
-   // destructor.
-   mSemaFile = mktemp(strdup("/tmp/vprsema.XXXXXX"));
+
+   // Reset the errno global variable because mktemp(3) should not have failed.
+   // This seems to be critical for getting proper behavior out of sem_open(3)
+   // on Darwin 9.x (Mac OS X 10.5).
+   errno = 0;
-
-   // ----- Allocate the named semaphore ----- //