summaryrefslogtreecommitdiffstats
path: root/generic/tclThreadAlloc.c
diff options
context:
space:
mode:
authordkf <donal.k.fellows@manchester.ac.uk>2017-06-05 23:20:36 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2017-06-05 23:20:36 (GMT)
commitf8223fa81718da26562fff851b4a56d18b58a62a (patch)
tree2c47bdd025eab065e5f559ade49795a3acaf938e /generic/tclThreadAlloc.c
parente9d31a334b4cbd18716b3c1eacf7f516cbc7286d (diff)
parent0b178367ba3b9a10d44f89025c89292a4ea49b20 (diff)
downloadtcl-dkf_expose_ptrgetvar.zip
tcl-dkf_expose_ptrgetvar.tar.gz
tcl-dkf_expose_ptrgetvar.tar.bz2
Diffstat (limited to 'generic/tclThreadAlloc.c')
-rw-r--r--generic/tclThreadAlloc.c51
1 files changed, 38 insertions, 13 deletions
diff --git a/generic/tclThreadAlloc.c b/generic/tclThreadAlloc.c
index 018f006..8077de4 100644
--- a/generic/tclThreadAlloc.c
+++ b/generic/tclThreadAlloc.c
@@ -196,20 +196,11 @@ GetCache(void)
if (listLockPtr == NULL) {
Tcl_Mutex *initLockPtr;
- unsigned int i;
initLockPtr = Tcl_GetAllocMutex();
Tcl_MutexLock(initLockPtr);
if (listLockPtr == NULL) {
- listLockPtr = TclpNewAllocMutex();
- objLockPtr = TclpNewAllocMutex();
- for (i = 0; i < NBUCKETS; ++i) {
- bucketInfo[i].blockSize = MINALLOC << i;
- bucketInfo[i].maxBlocks = 1 << (NBUCKETS - 1 - i);
- bucketInfo[i].numMove = i < NBUCKETS - 1 ?
- 1 << (NBUCKETS - 2 - i) : 1;
- bucketInfo[i].lockPtr = TclpNewAllocMutex();
- }
+ TclInitThreadAlloc();
}
Tcl_MutexUnlock(initLockPtr);
}
@@ -1064,6 +1055,40 @@ GetBlocks(
}
return 1;
}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TclInitThreadAlloc --
+ *
+ * Initializes the allocator cache-maintenance structures.
+ * It is done early and protected during the TclInitSubsystems().
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TclInitThreadAlloc(void)
+{
+ unsigned int i;
+
+ listLockPtr = TclpNewAllocMutex();
+ objLockPtr = TclpNewAllocMutex();
+ for (i = 0; i < NBUCKETS; ++i) {
+ bucketInfo[i].blockSize = MINALLOC << i;
+ bucketInfo[i].maxBlocks = 1 << (NBUCKETS - 1 - i);
+ bucketInfo[i].numMove = i < NBUCKETS - 1 ?
+ 1 << (NBUCKETS - 2 - i) : 1;
+ bucketInfo[i].lockPtr = TclpNewAllocMutex();
+ }
+ TclpInitAllocCache();
+}
/*
*----------------------------------------------------------------------
@@ -1106,9 +1131,9 @@ TclFinalizeThreadAlloc(void)
*
* TclFinalizeThreadAllocThread --
*
- * This procedure is used to destroy single thread private resources used
- * in this file.
- * Called in TclpFinalizeThreadData when a thread exits (Tcl_FinalizeThread).
+ * This procedure is used to destroy single thread private resources
+ * defined in this file. Called either during Tcl_FinalizeThread() or
+ * Tcl_Finalize().
*
* Results:
* None.