Small lock cleanup for prototype.

diff --git a/src/include/storage/ipc.h b/src/include/storage/ipc.h
index 1e95f669277e592cad79de6c310af64f0bb64785..de428469f1022b5a64dc4a381cca1cec5dae9321 100644 (file)
--- a/src/include/storage/ipc.h
+++ b/src/include/storage/ipc.h
@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: ipc.h,v 1.21 1997/09/18 14:20:54 momjian Exp $
+ * $Id: ipc.h,v 1.22 1997/09/22 15:49:11 momjian Exp $
  *
  * NOTES
  *       This file is very architecture-specific.      This stuff should actually
@@ -26,20 +26,6 @@
 
 #include <config.h>
 
-#if defined(HAS_TEST_AND_SET)
-
-#if (defined(alpha) && !defined(linuxalpha)) || \
-       defined(hpux) || \
-       defined(irix5) || \
-       defined(nextstep)
-extern int     S_LOCK_FREE(slock_t *lock);
-
-#else
-#define S_LOCK_FREE(lock)              ((*lock) == 0)
-#endif
-
-#endif                                                 /* HAS_TEST_AND_SET */
-
 #ifndef HAVE_UNION_SEMUN
 union semun
 {

diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
index c52783de278c5c1ec9b214299906e6ebd1f0fcb8..c05727430d3f203282a6ff93ef80c8e4eb53343d 100644 (file)
--- a/src/include/storage/s_lock.h
+++ b/src/include/storage/s_lock.h
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.2 1997/09/22 04:21:51 vadim Exp $
+ *       $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.3 1997/09/22 15:49:14 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -301,11 +301,11 @@ tas_dummy()
 
 #define        S_LOCK(lock)    do \
                                                { \
-                                                       slock_t         res; \
+                                                       slock_t         _res; \
                                                        do \
                                                        { \
-                               __asm__("xchgb %0,%1": "=q"(res), "=m"(*lock):"0"(0x1)); \
-                                                       } while (res != 0); \
+                               __asm__("xchgb %0,%1": "=q"(_res), "=m"(*lock):"0"(0x1)); \
+                                                       } while (_res != 0); \
                                                } while (0)
 
 #define        S_UNLOCK(lock)  (*(lock) = 0)
@@ -319,7 +319,7 @@ tas_dummy()
 
 #define        S_LOCK(lock)    do \
                                                { \
-                                                       slock_t         res; \
+                                                       slock_t         _res; \
                                                        do \
                                                        { \
                                                                __asm__("    ldq   $0, %0            \n\
@@ -334,8 +334,8 @@ tas_dummy()
                                                             jmp   $31, end          \n\
                                        stqc_fail:   or    $31, 1, $0        \n\
                                        already_set: bis   $0, $0, %1        \n\
-                                       end:         nop      ": "=m"(*lock), "=r"(res): :"0"); \
-                                                       } while (res != 0); \
+                                       end:         nop      ": "=m"(*lock), "=r"(_res): :"0"); \
+                                                       } while (_res != 0); \
                                                } while (0)
 
                                                
@@ -349,13 +349,13 @@ tas_dummy()
 
 #define S_LOCK(lock)   do \
                                                { \
-                                                       slock_t         res; \
+                                                       slock_t         _res; \
                                                        do \
                                                        { \
                                                                __asm__("ldstub [%1], %0" \
-                                               :               "=&r"(res) \
+                                               :               "=&r"(_res) \
                                                :               "r"(lock)); \
-                                                       } while (!res != 0); \
+                                                       } while (!_res != 0); \
                                                } while (0)
 
 #define        S_UNLOCK(lock)  (*(lock) = 0)
@@ -399,6 +399,10 @@ success:           \n\
 
 #endif                                                 /* defined(linux) && defined(PPC) */
 
+#else                                                  /* HAS_TEST_AND_SET */
+
+#define S_LOCK_FREE(lock)              ((*lock) == 0)
+
 #endif                                                 /* HAS_TEST_AND_SET */
 
 #endif                                                 /* S_LOCK_H */