Spark/Linux patch for locking, from Tom Szybist

This commit is contained in:
Bruce Momjian 1997-12-09 20:55:33 +00:00
parent da72b903ff
commit b69359e2d7
1 changed files with 4 additions and 3 deletions

View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.12 1997/11/07 21:35:41 momjian Exp $
* $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.13 1997/12/09 20:55:33 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -345,11 +345,12 @@ tas_dummy()
#define S_LOCK(lock) do \
{ \
slock_t _res; \
slock_t *tmplock = lock ; \
do \
{ \
__asm__("ldstub [%1], %0" \
: "=&r"(_res) \
: "r"(lock)); \
: "=&r"(_res), "=r"(tmplock) \
: "1"(tmplock)); \
} while (_res != 0); \
} while (0)