From 4d5f5a2f9d10acf057c821d005c7d6613f397c80 Mon Sep 17 00:00:00 2001
From: NishiOwO <nishi@nishi.boats>
Date: Thu, 13 Nov 2025 10:50:32 +0000
Subject: [PATCH] add mutex

git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@691 b9cfdab3-6d41-4d17-bbe4-086880011989
---
 Makefile.pl                 |  3 ++-
 include/Mw/Abstract/Mutex.h | 43 ++++++++++++++++++++++++++++++++++++
 include/Mw/Milsko.h         |  1 +
 pl/ostype/Windows.pl        |  1 +
 src/abstract/dynamic.c      | 26 ++++++++++++----------
 src/abstract/mutex.c        | 44 +++++++++++++++++++++++++++++++++++++
 src/abstract/time.c         |  4 ++--
 7 files changed, 107 insertions(+), 15 deletions(-)
 create mode 100644 include/Mw/Abstract/Mutex.h
 create mode 100644 src/abstract/mutex.c

diff --git a/Makefile.pl b/Makefile.pl
index b82ac5f..1e1d30d 100755
--- a/Makefile.pl
+++ b/Makefile.pl
@@ -17,6 +17,7 @@ our $cflags  = "-fPIC -D_MILSKO";
 our $libdir  = "";
 our $ldflags = "";
 our $math    = "-lm";
+our $thread  = "-lpthread";
 our $shared  = "-shared";
 our $backend = "";
 
@@ -142,7 +143,7 @@ print(OUT "INCDIR = ${incdir}\n");
 print(OUT "CFLAGS = ${cflags}\n");
 print(OUT "LIBDIR = ${libdir}\n");
 print(OUT "LDFLAGS = ${ldflags}\n");
-print(OUT "LIBS = ${math} ${libs}\n");
+print(OUT "LIBS = ${math} ${thread} ${libs}\n");
 print(OUT "MATH = ${math}\n");
 print(OUT "SHARED = ${shared}\n");
 print(OUT "\n");
diff --git a/include/Mw/Abstract/Mutex.h b/include/Mw/Abstract/Mutex.h
new file mode 100644
index 0000000..932320f
--- /dev/null
+++ b/include/Mw/Abstract/Mutex.h
@@ -0,0 +1,43 @@
+/* $Id$ */
+/*!
+ * @file Mw/Abstract/Mutex.h
+ * @brief Mutex
+ */
+#ifndef __MW_ABSTRACT_MUTEX_H__
+#define __MW_ABSTRACT_MUTEX_H__
+
+#include <Mw/MachDep.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*!
+ * @brief Creates a mutex
+ * @return Handle
+ */
+MWDECL void* MwMutexCreate(void);
+
+/*!
+ * @brief Destroys a mutex
+ * @param handle Handle
+ */
+MWDECL void MwMutexDestroy(void* handle);
+
+/*!
+ * @brief Locks a mutex
+ * @param handle Handle
+ */
+MWDECL void MwMutexLock(void* handle);
+
+/*!
+ * @brief Unlocks a mutex
+ * @param handle Handle
+ */
+MWDECL void MwMutexUnlock(void* handle);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/Mw/Milsko.h b/include/Mw/Milsko.h
index 60f25bb..62fde7d 100644
--- a/include/Mw/Milsko.h
+++ b/include/Mw/Milsko.h
@@ -23,6 +23,7 @@
 #include <Mw/Abstract/Dynamic.h>
 #include <Mw/Abstract/Directory.h>
 #include <Mw/Abstract/Time.h>
+#include <Mw/Abstract/Mutex.h>
 
 #include <Mw/Resource/Icon.h>
 #include <Mw/Resource/Cursor.h>
diff --git a/pl/ostype/Windows.pl b/pl/ostype/Windows.pl
index 98f6f4d..5a00da4 100644
--- a/pl/ostype/Windows.pl
+++ b/pl/ostype/Windows.pl
@@ -3,6 +3,7 @@ $library_prefix    = "";
 $library_suffix    = ".dll";
 $executable_suffix = ".exe";
 $math              = "";
+$thread            = "";
 add_ldflags("-Wl,--out-implib,src/libMw.a -static-libgcc");
 use_backend("gdi");
 
diff --git a/src/abstract/dynamic.c b/src/abstract/dynamic.c
index f541820..c9da513 100644
--- a/src/abstract/dynamic.c
+++ b/src/abstract/dynamic.c
@@ -1,26 +1,28 @@
 /* $Id$ */
 #include <Mw/Milsko.h>
 
+#if defined(_WIN32)
 void* MwDynamicOpen(const char* path) {
-#ifdef _WIN32
 	return LoadLibrary(path);
-#else
-	return dlopen(path, RTLD_LAZY | RTLD_LOCAL);
-#endif
 }
 
 void* MwDynamicSymbol(void* handle, const char* symbol) {
-#ifdef _WIN32
 	return GetProcAddress(handle, symbol);
-#else
-	return dlsym(handle, symbol);
-#endif
 }
 
 void MwDynamicClose(void* handle) {
-#ifdef _WIN32
 	FreeLibrary(handle);
-#else
-	dlclose(handle);
-#endif
 }
+#elif defined(__unix__)
+void* MwDynamicOpen(const char* path) {
+	return dlopen(path, RTLD_LOCAL | RTLD_LAZY);
+}
+
+void* MwDynamicSymbol(void* handle, const char* symbol) {
+	return dlsym(handle, symbol);
+}
+
+void MwDynamicClose(void* handle) {
+	dlclose(handle);
+}
+#endif
diff --git a/src/abstract/mutex.c b/src/abstract/mutex.c
new file mode 100644
index 0000000..8deecf8
--- /dev/null
+++ b/src/abstract/mutex.c
@@ -0,0 +1,44 @@
+/* $Id$ */
+#include <Mw/Milsko.h>
+
+#if defined(_WIN32)
+void* MwMutexCreate(void) {
+	return CreateEvent(NULL, FALSE, TRUE, NULL);
+}
+
+void MwMutexDestroy(void* handle) {
+	CloseHandle(handle);
+}
+
+void MwMutexLock(void* handle) {
+	WaitForSingleObject(handle, INFINITE);
+}
+
+void MwMutexUnlock(void* handle) {
+	SetEvent(handle);
+}
+#elif defined(__unix__)
+#include <pthread.h>
+
+void* MwMutexCreate(void) {
+	pthread_mutex_t* m = malloc(sizeof(*m));
+
+	pthread_mutex_init(m, NULL);
+
+	return m;
+}
+
+void MwMutexDestroy(void* handle) {
+	pthread_mutex_destroy(handle);
+
+	free(handle);
+}
+
+void MwMutexLock(void* handle) {
+	pthread_mutex_lock(handle);
+}
+
+void MwMutexUnlock(void* handle) {
+	pthread_mutex_unlock(handle);
+}
+#endif
diff --git a/src/abstract/time.c b/src/abstract/time.c
index 24303aa..58f4e0f 100644
--- a/src/abstract/time.c
+++ b/src/abstract/time.c
@@ -1,7 +1,7 @@
 /* $Id$ */
 #include <Mw/Milsko.h>
 
-#ifdef _WIN32
+#if defined(_WIN32)
 long MwTimeGetTick(void) {
 	return GetTickCount();
 }
@@ -9,7 +9,7 @@ long MwTimeGetTick(void) {
 void MwTimeSleep(int ms) {
 	Sleep(ms);
 }
-#else
+#elif defined(__unix__)
 long MwTimeGetTick(void) {
 	struct timespec ts;
 	long		n = 0;