From 66cafc0bf6ef742661f2f8bbc8ac195c2ca8b4e4 Mon Sep 17 00:00:00 2001
From: "Rafael G. Martins" <rafael@rafaelmartins.eng.br>
Date: Fri, 21 Dec 2018 05:13:30 +0100
Subject: wip

---
 src/common/thread_pthread.c |   2 +-
 src/common/thread_windows.c | 111 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 112 insertions(+), 1 deletion(-)
 create mode 100644 src/common/thread_windows.c

(limited to 'src/common')

diff --git a/src/common/thread_pthread.c b/src/common/thread_pthread.c
index a85a0c7..274c1a7 100644
--- a/src/common/thread_pthread.c
+++ b/src/common/thread_pthread.c
@@ -40,7 +40,7 @@ bc_thread_create(bc_thread_func_t func, void *arg, bool detached, bc_error_t **e
 
         if (0 != (r = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED))) {
             *err = bc_error_new_printf(BC_ERROR_THREAD,
-                "Failed to mark thread as detached: %s", strerror(r));
+                "Failed to detach thread: %s", strerror(r));
             return NULL;
         }
 
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);
+}
-- 
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