From 7b3b414258d2f3edae780c53114672560495e502 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Thu, 9 Aug 2007 05:38:36 +0000
Subject: Minor threading interface stuff for parallel Ingen.
git-svn-id: http://svn.drobilla.net/lad/raul@690 a436a847-0d15-0410-975c-d299462d15a1
---
raul/Semaphore.hpp | 7 +++++--
raul/Thread.hpp | 6 +++---
2 files changed, 8 insertions(+), 5 deletions(-)
(limited to 'raul')
diff --git a/raul/Semaphore.hpp b/raul/Semaphore.hpp
index 93dae0a..3bd6ac4 100644
--- a/raul/Semaphore.hpp
+++ b/raul/Semaphore.hpp
@@ -31,7 +31,8 @@ namespace Raul {
* work in GDB. Turns out sem_wait can fail when run in GDB, and Debian
* really needs to update it's man pages.
*
- * This class remains as a trivial (yet pretty) wrapper/abstraction.
+ * This class remains as a trivial (yet pretty) wrapper/abstraction, because
+ * Glib (idiotically) doesn't have a Semaphore class.
*
* \ingroup raul
*/
@@ -60,10 +61,12 @@ public:
inline void wait() { while (sem_wait(&_sem) != 0) ; }
/** Non-blocking version of wait().
+ *
+ * \return true if decrement was successful (lock was acquired).
*
* Realtime safe?
*/
- inline int try_wait() { return sem_trywait(&_sem); }
+ inline bool try_wait() { return (sem_trywait(&_sem) == 0); }
private:
sem_t _sem;
diff --git a/raul/Thread.hpp b/raul/Thread.hpp
index e444c6e..29cade1 100644
--- a/raul/Thread.hpp
+++ b/raul/Thread.hpp
@@ -56,11 +56,11 @@ public:
void set_scheduling(int policy, unsigned int priority);
- const std::string& name() { return _name; }
+ const std::string& name() const { return _name; }
void set_name(const std::string& name) { _name = name; }
- const unsigned context() { return _context; }
- void set_context(unsigned context) { _context = context; }
+ unsigned context() const { return _context; }
+ void set_context(unsigned context) { _context = context; }
protected:
Thread(const std::string& name="");
--
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