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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
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7
src/include/storage/s_lock.h
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * 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 \ #define S_LOCK(lock) do \
{ \ { \
slock_t _res; \ slock_t _res; \
slock_t *tmplock = lock ; \
do \ do \
{ \ { \
__asm__("ldstub [%1], %0" \ __asm__("ldstub [%1], %0" \
: "=&r"(_res) \ : "=&r"(_res), "=r"(tmplock) \
: "r"(lock)); \ : "1"(tmplock)); \
} while (_res != 0); \ } while (_res != 0); \
} while (0) } while (0)