1 /* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 // vim: expandtab:ts=8:sw=4:softtabstop=4:
3 ///////////////////////////////////////////////////////////////////////////////
4 //
5 /// \file       mythread.h
6 /// \brief      Wrappers for threads
7 //
8 //  Author:     Lasse Collin
9 //
10 //  This file has been put into the public domain.
11 //  You can do whatever you want with this file.
12 //
13 ///////////////////////////////////////////////////////////////////////////////
14 
15 #include "sysdefs.h"
16 
17 
18 #ifdef HAVE_PTHREAD
19 #	include <pthread.h>
20 
21 #	define mythread_once(func) \
22 	do { \
23 		static pthread_once_t once_ = PTHREAD_ONCE_INIT; \
24 		pthread_once(&once_, &func); \
25 	} while (0)
26 
27 #	define mythread_sigmask(how, set, oset) \
28 		pthread_sigmask(how, set, oset)
29 
30 #else
31 
32 #	define mythread_once(func) \
33 	do { \
34 		static bool once_ = false; \
35 		if (!once_) { \
36 			func(); \
37 			once_ = true; \
38 		} \
39 	} while (0)
40 
41 #	define mythread_sigmask(how, set, oset) \
42 		sigprocmask(how, set, oset)
43 
44 #endif
45