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-rw-r--r--unix/tclUnixNotfy.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/unix/tclUnixNotfy.c b/unix/tclUnixNotfy.c
index 9186f33..2941331 100644
--- a/unix/tclUnixNotfy.c
+++ b/unix/tclUnixNotfy.c
@@ -1335,6 +1335,8 @@ static void
AtForkPrepare(void)
{
Tcl_MutexLock(&notifierMutex);
+ TclpMasterLock();
+ TclpMutexLock();
}
/*
@@ -1356,6 +1358,8 @@ AtForkPrepare(void)
static void
AtForkParent(void)
{
+ TclpMutexLock();
+ TclpMasterLock();
Tcl_MutexUnlock(&notifierMutex);
}
@@ -1378,6 +1382,8 @@ AtForkParent(void)
static void
AtForkChild(void)
{
+ TclpMutexLock();
+ TclpMasterLock();
Tcl_MutexUnlockAndFinalize(&notifierMutex);
Tcl_InitNotifier();
}