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authorDavid Robillard <d@drobilla.net>2007-08-09 05:38:36 +0000
committerDavid Robillard <d@drobilla.net>2007-08-09 05:38:36 +0000
commit7b3b414258d2f3edae780c53114672560495e502 (patch)
tree8ed6d4caa391681470e4ef21eedcfaff148b39ce /raul/Semaphore.hpp
parent464e988e4bb8dcbad6e2332234c3415c6671c7de (diff)
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Minor threading interface stuff for parallel Ingen.
git-svn-id: http://svn.drobilla.net/lad/raul@690 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'raul/Semaphore.hpp')
-rw-r--r--raul/Semaphore.hpp7
1 files changed, 5 insertions, 2 deletions
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
*/
@@ -61,9 +62,11 @@ public:
/** 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;