windows: Provide a complete native Windows threading backend

2014-06-04 15:53:01 +02:00
parent a48570a046
commit 0fa9c95811
8 changed files with 1509 additions and 4 deletions
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2013 Martin Willi
+ * Copyright (C) 2013 revosec AG
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef WINDOWS_THREAD_H_
+#define WINDOWS_THREAD_H_
+
+/**
+ * @defgroup windowsthread windows
+ * @ingroup threading
+ *
+ * @defgroup threadwindows thread
+ * @{ @ingroup windowsthread
+ */
+
+/**
+ * MinGW seems to miss the actual struct definition
+ */
+typedef struct {
+	PVOID Ptr;
+} SRWLOCK, *PSRWLOCK, CONDITION_VARIABLE, *PCONDITION_VARIABLE;
+
+VOID WINAPI InitializeConditionVariable(PCONDITION_VARIABLE ConditionVariable);
+BOOL WINAPI SleepConditionVariableCS(PCONDITION_VARIABLE ConditionVariable,
+					PCRITICAL_SECTION CriticalSection, DWORD dwMilliseconds);
+BOOL WINAPI SleepConditionVariableSRW(PCONDITION_VARIABLE ConditionVariable,
+						PSRWLOCK SRWLock, DWORD dwMilliseconds, ULONG Flags);
+VOID WINAPI WakeAllConditionVariable(PCONDITION_VARIABLE ConditionVariable);
+VOID WINAPI WakeConditionVariable(PCONDITION_VARIABLE ConditionVariable);
+VOID WINAPI AcquireSRWLockExclusive(PSRWLOCK SRWLock);
+VOID WINAPI AcquireSRWLockShared(PSRWLOCK SRWLock);
+BOOL TryAcquireSRWLockExclusive(PSRWLOCK SRWLock);
+VOID WINAPI InitializeSRWLock(PSRWLOCK SRWLock);
+VOID WINAPI ReleaseSRWLockExclusive(PSRWLOCK SRWLock);
+VOID WINAPI ReleaseSRWLockShared(PSRWLOCK SRWLock);
+
+/**
+ * Set active condvar of a thread before waiting in it.
+ *
+ * @param cv		active condition variable, NULL to unset
+ */
+void thread_set_active_condvar(CONDITION_VARIABLE *condvar);
+
+/**
+ * Set a thread specific value on the current thread.
+ *
+ * @param key		unique key specifying the TLS variable
+ * @param value		value to set
+ * @return			old value for key, if any
+ */
+void* thread_tls_put(void *key, void *value);
+
+/**
+ * Get a thread specific value from the current thread.
+ *
+ * @param key		unique key specifying the TLS variable
+ * @return			value for key, if any
+ */
+void* thread_tls_get(void *key);
+
+/**
+ * Remove a thread specific value from the current thread.
+ *
+ * @param key		unique key specifying the TLS variable
+ * @param value		value to set
+ * @return			old value for key, if any
+ */
+void* thread_tls_remove(void *key);
+
+/**
+ * Cleanup function for thread specific value.
+ *
+ * This is called whenever a thread exits to clean up thread specific data.
+ *
+ * This function is actually implemented in thread_value.c.
+ *
+ * @param value		value, as passed to thread_tls_put()
+ */
+void thread_tls_cleanup(void *value);
+
+#endif /** WINDOWS_THREAD_H_ @}*/