diff options
Diffstat (limited to 'lib/system/gc_common.nim')
| -rw-r--r-- | lib/system/gc_common.nim | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/system/gc_common.nim b/lib/system/gc_common.nim index ef4d379f6..2077ab103 100644 --- a/lib/system/gc_common.nim +++ b/lib/system/gc_common.nim @@ -156,7 +156,7 @@ else: iterator items(first: var GcStack): ptr GcStack = yield addr(first) proc len(stack: var GcStack): int = 1 -when declared(threadType): +when defined(nimdoc): proc setupForeignThreadGc*() {.gcsafe.} = ## Call this if you registered a callback that will be run from a thread not ## under your control. This has a cheap thread-local guard, so the GC for @@ -165,11 +165,7 @@ when declared(threadType): ## ## This function is available only when ``--threads:on`` and ``--tlsEmulation:off`` ## switches are used - if threadType == ThreadType.None: - var stackTop {.volatile.}: pointer - nimGC_setStackBottom(addr(stackTop)) - initGC() - threadType = ThreadType.ForeignThread + discard proc tearDownForeignThreadGc*() {.gcsafe.} = ## Call this to tear down the GC, previously initialized by ``setupForeignThreadGc``. @@ -178,6 +174,16 @@ when declared(threadType): ## ## This function is available only when ``--threads:on`` and ``--tlsEmulation:off`` ## switches are used + discard +elif declared(threadType): + proc setupForeignThreadGc*() {.gcsafe.} = + if threadType == ThreadType.None: + var stackTop {.volatile.}: pointer + nimGC_setStackBottom(addr(stackTop)) + initGC() + threadType = ThreadType.ForeignThread + + proc tearDownForeignThreadGc*() {.gcsafe.} = if threadType != ThreadType.ForeignThread: return when declared(deallocOsPages): deallocOsPages() |