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-rw-r--r--src/common/thread_windows.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/src/common/thread_windows.c b/src/common/thread_windows.c
new file mode 100644
index 0000000..aae2da8
--- /dev/null
+++ b/src/common/thread_windows.c
@@ -0,0 +1,111 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2014-2018 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file LICENSE.
+ */
+
+#include <stdbool.h>
+#include <windows.h>
+#include "error.h"
+#include "utils.h"
+#include "thread.h"
+
+struct _bc_thread_t {
+ HANDLE thread;
+};
+
+struct wrapper_arg {
+ bc_thread_func_t func;
+ void *arg;
+};
+
+
+static DWORD WINAPI
+wrapper(LPVOID arg)
+{
+ if (arg != NULL) {
+ struct wrapper_arg *r = arg;
+ r->func(r->arg);
+ free(r);
+ }
+ return 0;
+}
+
+
+bc_thread_t*
+bc_thread_create(bc_thread_func_t func, void *arg, bool detached, bc_error_t **err)
+{
+ if (err == NULL || *err != NULL)
+ return NULL;
+
+ struct wrapper_arg *a = bc_malloc(sizeof(struct wrapper_arg));
+ a->func = func;
+ a->arg = arg;
+
+ bc_thread_t *rv = bc_malloc(sizeof(bc_thread_t));
+ rv->thread = CreateThread(NULL, 0, wrapper, a, 0, NULL);
+ if (rv->thread == NULL) {
+ LPTSTR buf;
+ FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ (LPTSTR)&buf, 0, NULL);
+ *err = bc_error_new_printf(BC_ERROR_THREAD,
+ "Failed to create thread: %s", buf);
+ LocalFree(buf);
+ free(rv);
+ free(a);
+ return NULL;
+ }
+
+ if (detached && !CloseHandle(rv->thread)) {
+ LPTSTR buf;
+ FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ (LPTSTR)&buf, 0, NULL);
+ *err = bc_error_new_printf(BC_ERROR_THREAD,
+ "Failed to detach thread: %s", buf);
+ LocalFree(buf);
+ free(rv);
+ free(a);
+ return NULL;
+ }
+
+ return rv;
+}
+
+
+void
+bc_thread_join(bc_thread_t *thread, bc_error_t **err)
+{
+ if (thread == NULL || err == NULL || *err != NULL)
+ return;
+
+ DWORD r = WaitForSingleObject(thread->thread, INFINITE);
+ switch (r) {
+ case WAIT_OBJECT_0:
+ break;
+ case WAIT_FAILED:
+ {
+ LPTSTR buf;
+ FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ (LPTSTR)&buf, 0, NULL);
+ *err = bc_error_new_printf(BC_ERROR_THREAD,
+ "Failed to join thread: %s", buf);
+ LocalFree(buf);
+ break;
+ }
+ default:
+ *err = bc_error_new_printf(BC_ERROR_THREAD, "Failed to join thread");
+ break;
+ }
+}
+
+
+void
+bc_thread_free(bc_thread_t *thread)
+{
+ free(thread);
+}