aboutsummaryrefslogtreecommitdiffstats
path: root/cont.c
diff options
context:
space:
mode:
Diffstat (limited to 'cont.c')
-rw-r--r--cont.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/cont.c b/cont.c
index 9cb0d96157..253a056f64 100644
--- a/cont.c
+++ b/cont.c
@@ -1464,6 +1464,18 @@ rb_fiber_start(void)
VM_UNREACHABLE(rb_fiber_start);
}
+#ifdef _WIN32
+static HANDLE
+win32_convert_thread_to_fiber(void)
+{
+ HANDLE fib_handle = ConvertThreadToFiber(0);
+ if (!fib_handle) {
+ rb_bug("rb_threadptr_root_fiber_setup_by_child: ConvertThreadToFiber() failed - %s\n", rb_w32_strerror(-1));
+ }
+ return fib_handle;
+}
+#endif
+
static rb_fiber_t *
root_fiber_alloc(rb_thread_t *th)
{
@@ -1480,7 +1492,7 @@ root_fiber_alloc(rb_thread_t *th)
#if FIBER_USE_NATIVE
#ifdef _WIN32
if (fib->fib_handle == 0) {
- fib->fib_handle = ConvertThreadToFiber(0);
+ fib->fib_handle = win32_convert_thread_to_fiber();
}
#endif
#endif
@@ -1488,7 +1500,7 @@ root_fiber_alloc(rb_thread_t *th)
}
void
-rb_threadptr_root_fiber_setup(rb_thread_t *th)
+rb_threadptr_root_fiber_setup_by_parent(rb_thread_t *th)
{
rb_fiber_t *fib = ruby_mimmalloc(sizeof(rb_fiber_t));
MEMZERO(fib, rb_fiber_t, 1);
@@ -1497,10 +1509,20 @@ rb_threadptr_root_fiber_setup(rb_thread_t *th)
fib->cont.saved_ec.thread_ptr = th;
fiber_status_set(fib, FIBER_RESUMED); /* skip CREATED */
th->ec = &fib->cont.saved_ec;
+}
+
+void
+rb_threadptr_root_fiber_setup_by_child(rb_thread_t *th)
+{
#if FIBER_USE_NATIVE
#ifdef _WIN32
+ rb_fiber_t *fib = th->ec->fiber_ptr;
+
if (fib->fib_handle == 0) {
- fib->fib_handle = ConvertThreadToFiber(0);
+ fib->fib_handle = win32_convert_thread_to_fiber();
+ }
+ else {
+ rb_bug("rb_threadptr_root_fiber_setup_by_child: fib_handle is not NULL.");
}
#endif
#endif