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-rw-r--r--unix/tclUnixTest.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/unix/tclUnixTest.c b/unix/tclUnixTest.c
index c10225d..b3e07a4 100644
--- a/unix/tclUnixTest.c
+++ b/unix/tclUnixTest.c
@@ -67,6 +67,7 @@ static Tcl_CmdProc TestchmodCmd;
static Tcl_CmdProc TestfilehandlerCmd;
static Tcl_CmdProc TestfilewaitCmd;
static Tcl_CmdProc TestfindexecutableCmd;
+static Tcl_ObjCmdProc TestforkObjCmd;
static Tcl_CmdProc TestgetdefencdirCmd;
static Tcl_CmdProc TestgetopenfileCmd;
static Tcl_CmdProc TestgotsigCmd;
@@ -103,6 +104,8 @@ TclplatformtestInit(
NULL, NULL);
Tcl_CreateCommand(interp, "testfindexecutable", TestfindexecutableCmd,
NULL, NULL);
+ Tcl_CreateObjCommand(interp, "testfork", TestforkObjCmd,
+ NULL, NULL);
Tcl_CreateCommand(interp, "testgetopenfile", TestgetopenfileCmd,
NULL, NULL);
Tcl_CreateCommand(interp, "testgetdefenc", TestgetdefencdirCmd,
@@ -526,6 +529,52 @@ TestsetdefencdirCmd(
Tcl_SetDefaultEncodingDir(argv[1]);
return TCL_OK;
}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TestforkObjCmd --
+ *
+ * This function implements the "testfork" command. It is used to
+ * fork the Tcl process for specific test cases.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+TestforkObjCmd(
+ ClientData clientData, /* Not used. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const *objv) /* Argument strings. */
+{
+ pid_t pid;
+
+ if (objc != 1) {
+ Tcl_WrongNumArgs(interp, 1, objv, "");
+ return TCL_ERROR;
+ }
+ pid = fork();
+ if (pid == -1) {
+ Tcl_AppendResult(interp,
+ "Cannot fork", NULL);
+ return TCL_ERROR;
+ }
+#if !defined(HAVE_PTHREAD_ATFORK) || defined(MAC_OSX_TCL)
+ /* Only needed when pthread_atfork is not present or on OSX. */
+ if (pid==0) {
+ Tcl_InitNotifier();
+ }
+#endif
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(pid));
+ return TCL_OK;
+}
/*
*----------------------------------------------------------------------