diff options
Diffstat (limited to 'db2/mp/mp_region.c')
| -rw-r--r-- | db2/mp/mp_region.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/db2/mp/mp_region.c b/db2/mp/mp_region.c index 6b2f931..c20e669 100644 --- a/db2/mp/mp_region.c +++ b/db2/mp/mp_region.c @@ -7,7 +7,7 @@ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)mp_region.c 10.16 (Sleepycat) 10/25/97"; +static const char sccsid[] = "@(#)mp_region.c 10.18 (Sleepycat) 11/29/97"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES @@ -224,17 +224,28 @@ retry: if (LF_ISSET(DB_CREATE)) { * the file descriptor for locking. However, it should not * be possible for DB_THREAD to be set if HAVE_SPINLOCKS aren't * defined. + * + * XXX + * HP-UX won't permit mutexes to live in anything but shared + * memory. So, instantiate the shared mpool region file on + * that architecture, regardless. If this turns out to be a + * performance problem, we could use anonymous memory instead. */ - if (F_ISSET(dbmp, MP_ISPRIVATE)) { +#if !defined(__hppa) + if (F_ISSET(dbmp, MP_ISPRIVATE)) if ((dbmp->maddr = __db_malloc(rlen)) == NULL) ret = ENOMEM; - else + else { + F_SET(dbmp, MP_MALLOC); ret = __db_rinit(dbmp->dbenv, dbmp->maddr, 0, rlen, 0); - } else + } + else +#endif ret = __db_rcreate(dbmp->dbenv, DB_APP_NONE, path, - DB_DEFAULT_MPOOL_FILE, mode, rlen, &fd, - &dbmp->maddr); + DB_DEFAULT_MPOOL_FILE, mode, rlen, + F_ISSET(dbmp, MP_ISPRIVATE) ? DB_TEMPORARY : 0, + &fd, &dbmp->maddr); if (ret == 0) { /* Put the MPOOL structure first in the region. */ mp = dbmp->maddr; @@ -315,7 +326,7 @@ retry: if (LF_ISSET(DB_CREATE)) { dbmp->fd = fd; /* If we locked the region, release it now. */ - if (!F_ISSET(dbmp, MP_ISPRIVATE)) + if (!F_ISSET(dbmp, MP_MALLOC)) UNLOCKREGION(dbmp); return (0); @@ -339,7 +350,7 @@ int __memp_rclose(dbmp) DB_MPOOL *dbmp; { - if (F_ISSET(dbmp, MP_ISPRIVATE)) { + if (F_ISSET(dbmp, MP_MALLOC)) { __db_free(dbmp->maddr); return (0); } |