Cope with case that SEM_FAILED is not defined (assume failure code is -1)

diff --git a/src/backend/port/posix_sema.c b/src/backend/port/posix_sema.c
index 2c32421e8d77615ae8e4d976b048e671594d3413..7b1613773d84b4502e0cc23d58a3c2da692b6b8d 100644 (file)
--- a/src/backend/port/posix_sema.c
+++ b/src/backend/port/posix_sema.c
@@ -11,7 +11,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *   $Header: /cvsroot/pgsql/src/backend/port/posix_sema.c,v 1.2 2002/05/05 01:03:26 tgl Exp $
+ *   $Header: /cvsroot/pgsql/src/backend/port/posix_sema.c,v 1.3 2002/05/05 16:01:50 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -72,8 +72,14 @@ PosixSemaphoreCreate(void)
 
        mySem = sem_open(semname, O_CREAT | O_EXCL,
                         (mode_t) IPCProtection, (unsigned) 1);
+
+#ifdef SEM_FAILED
        if (mySem != (sem_t *) SEM_FAILED)
            break;
+#else
+       if (mySem != (sem_t *) (-1))
+           break;
+#endif
 
        /* Loop if error indicates a collision */
        if (errno == EEXIST || errno == EACCES || errno == EINTR)
@@ -82,7 +88,7 @@ PosixSemaphoreCreate(void)
        /*
         * Else complain and abort
         */
-       fprintf(stderr, "PosixSemaphoreCreate: sem_open(%s) failed: %s\n",
+       fprintf(stderr, "PosixSemaphoreCreate: sem_open(\"%s\") failed: %s\n",
                semname, strerror(errno));
        proc_exit(1);
    }