From 742c6f32e038c90967e15f4740fcdacda1ad0f1f Mon Sep 17 00:00:00 2001 From: Matthias Benkard Date: Thu, 7 Feb 2008 23:11:34 +0100 Subject: Objective-C layer: Implement locking using semaphores. darcs-hash:3a1f9d1f6597b32c20efcd7ab2cf2721c1bdfe43 --- Objective-C/libobjcl.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'Objective-C/libobjcl.h') diff --git a/Objective-C/libobjcl.h b/Objective-C/libobjcl.h index 270af45..afe9f56 100644 --- a/Objective-C/libobjcl.h +++ b/Objective-C/libobjcl.h @@ -43,6 +43,18 @@ typedef Ivar IVAR_T; typedef struct objc_ivar *IVAR_T; #endif +#ifdef HAVE_SYS_SEM_H +#include +/* According to the Single Unix Specification, Version 3, the semun + union type must be defined by the application writer as follows: */ +union semun +{ + int val; /* Value for SETVAL */ + struct semid_ds *buf; /* Buffer for IPC_STAT, IPC_SET */ + unsigned short *array; /* Array for GETALL, SETALL */ +}; +#endif + extern NSException *objcl_oom_exception; extern id objcl_current_exception; extern void *objcl_current_exception_lock; @@ -159,3 +171,6 @@ objcl_acquire_lock (void *lock); void objcl_release_lock (void *lock); + +void +objcl_initialise_lock (void **lock); -- cgit v1.2.3