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+/*
+ * (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
+ * (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
+ * (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
+ * (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
+ * To anyone who acknowledges that this file is provided "AS IS" without
+ * any express or implied warranty: permission to use, copy, modify, and
+ * distribute this file for any purpose is hereby granted without fee,
+ * provided that the above copyright notices and this notice appears in
+ * all source code copies, and that none of the names listed above be used
+ * in advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. None of these organizations
+ * makes any representations about the suitability of this software for
+ * any purpose.
+ */
+/*
+ * Header file for attributes object
+ */
+
+#ifndef CMA_ATTR
+#define CMA_ATTR
+
+/*
+ * INCLUDE FILES
+ */
+
+#include <cma_defs.h>
+#include <cma_queue.h>
+#ifdef __hpux
+# include <sys/param.h>
+#endif
+#if _CMA_UNIX_TYPE == _CMA__SVR4
+#include <sys/unistd.h>
+#endif
+/*
+ * CONSTANTS AND MACROS
+ */
+
+
+/*
+ * FUNCTIONAL DESCRIPTION:
+ *
+ * cma__int_attr_get_priority - Performs the work of cma_attr_get_priority
+ *
+ * FORMAL PARAMETERS:
+ *
+ * cma_t_attr *_att_ - Attribute object to get from
+ * cma_t_priority *_setting_ - Current setting
+ *
+ * IMPLICIT INPUTS:
+ *
+ * none
+ *
+ * IMPLICIT OUTPUTS:
+ *
+ * priority
+ *
+ * FUNCTION VALUE:
+ *
+ * none
+ *
+ * SIDE EFFECTS:
+ *
+ * none
+ */
+#define cma__int_attr_get_priority(_att_,_setting_) { \
+ cma__t_int_attr *_int_att_; \
+ (_int_att_) = cma__validate_default_attr (_att_); \
+ cma__int_lock ((_int_att_)->mutex); \
+ (*(_setting_)) = (_int_att_)->priority; \
+ cma__int_unlock ((_int_att_)->mutex); \
+ }
+
+
+/*
+ * FUNCTIONAL DESCRIPTION:
+ *
+ * cma__int_attr_get_sched - Performs work of cma_attr_get_sched
+ *
+ * FORMAL PARAMETERS:
+ *
+ * cma_t_attr *_att_ _ Attributes object used
+ * cma_t_sched_policy *_setting_ - Current setting
+ *
+ * IMPLICIT INPUTS:
+ *
+ * none
+ *
+ * IMPLICIT OUTPUTS:
+ *
+ * scheduling policy
+ *
+ * FUNCTION VALUE:
+ *
+ * none
+ *
+ * SIDE EFFECTS:
+ *
+ * none
+ */
+#define cma__int_attr_get_sched(_att_,_setting_) { \
+ cma__t_int_attr *_int_att_; \
+ (_int_att_) = cma__validate_default_attr (_att_); \
+ cma__int_lock ((_int_att_)->mutex); \
+ (*(_setting_)) = (_int_att_)->policy; \
+ cma__int_unlock ((_int_att_)->mutex); \
+ }
+
+
+/*
+ * FUNCTIONAL DESCRIPTION:
+ *
+ * cma__int_attr_get_inherit_sched - Performs work of
+ * cma_attr_get_inherit_sched
+ *
+ * FORMAL PARAMETERS:
+ *
+ * cma_t_attr *_att_ - Attributes object to use
+ * cma_t_sched_inherit *_setting_ - Current setting
+ *
+ * IMPLICIT INPUTS:
+ *
+ * none
+ *
+ * IMPLICIT OUTPUTS:
+ *
+ * Inheritable scheduling policy
+ *
+ * FUNCTION VALUE:
+ *
+ * none
+ *
+ * SIDE EFFECTS:
+ *
+ * none
+ */
+#define cma__int_attr_get_inherit_sched(_att_,_setting_) { \
+ cma__t_int_attr *_int_att_; \
+ (_int_att_) = cma__validate_default_attr (_att_); \
+ cma__int_lock ((_int_att_)->mutex); \
+ (*(_setting_)) \
+ = ((_int_att_)->inherit_sched ? cma_c_sched_inherit : cma_c_sched_use_default); \
+ cma__int_unlock ((_int_att_)->mutex); \
+ }
+
+/*
+ * FUNCTIONAL DESCRIPTION:
+ *
+ * cma__int_attr_set_stacksize - Performs work for cma_attr_set_stacksize
+ *
+ * FORMAL PARAMETERS:
+ *
+ * cma_t_attr *_att_ - Attributes object to use
+ * cma_t_natural _setting_ - Setting
+ *
+ * IMPLICIT INPUTS:
+ *
+ * none
+ *
+ * IMPLICIT OUTPUTS:
+ *
+ * none
+ *
+ * FUNCTION VALUE:
+ *
+ * none
+ *
+ * SIDE EFFECTS:
+ *
+ * Change attribute objects stack size setting
+ */
+#define cma__int_attr_set_stacksize(_att_,_setting_) { \
+ cma__t_int_attr *_int_att_; \
+ if ((_setting_) <= 0) \
+ cma__error (cma_s_badparam); \
+ _int_att_ = cma__validate_attr (_att_); \
+ cma__int_lock ((_int_att_)->mutex); \
+ _int_att_->stack_size = cma__roundup_chunksize(_setting_); \
+ cma__free_cache (_int_att_, cma__c_obj_tcb); \
+ _int_att_->cache[cma__c_obj_tcb].revision++; \
+ _int_att_->cache[cma__c_obj_stack].revision++; \
+ cma__int_unlock (_int_att_->mutex); \
+ }
+
+/*
+ * FUNCTIONAL DESCRIPTION:
+ *
+ * cma__int_attr_get_stacksize - Performs work of cma_attr_get_stacksize
+ *
+ * FORMAL PARAMETERS:
+ *
+ * cma_t_attr *_att_ - Attributes object to use
+ * cma_t_natural *_setting_ - Current setting
+ *
+ * IMPLICIT INPUTS:
+ *
+ * none
+ *
+ * IMPLICIT OUTPUTS:
+ *
+ * Attribute objects stack size setting
+ *
+ * FUNCTION VALUE:
+ *
+ * none
+ *
+ * SIDE EFFECTS:
+ *
+ * none
+ */
+#define cma__int_attr_get_stacksize(_att_,_setting_) { \
+ cma__t_int_attr *_int_att_; \
+ (_int_att_) = cma__validate_default_attr (_att_); \
+ cma__int_lock ((_int_att_)->mutex); \
+ (*(_setting_)) = (_int_att_)->stack_size; \
+ cma__int_unlock ((_int_att_)->mutex); \
+ }
+
+
+/*
+ * FUNCTIONAL DESCRIPTION:
+ *
+ * cma__int_attr_set_guardsize - Performs work for cma_attr_set_guardsize
+ *
+ * FORMAL PARAMETERS:
+ *
+ * cma_t_attr *_att_ - Attributes object to use
+ * cma_t_natural _setting_ - Setting
+ *
+ * IMPLICIT INPUTS:
+ *
+ * none
+ *
+ * IMPLICIT OUTPUTS:
+ *
+ * none
+ *
+ * FUNCTION VALUE:
+ *
+ * none
+ *
+ * SIDE EFFECTS:
+ *
+ * Change attribute objects guard size setting
+ */
+#define cma__int_attr_set_guardsize(_att_,_setting_) { \
+ cma__t_int_attr *_int_att_; \
+ _int_att_ = cma__validate_attr (_att_); \
+ cma__int_lock ((_int_att_)->mutex); \
+ _int_att_->guard_size = cma__roundup_chunksize(_setting_); \
+ cma__free_cache (_int_att_, cma__c_obj_tcb); \
+ _int_att_->cache[cma__c_obj_tcb].revision++; \
+ _int_att_->cache[cma__c_obj_stack].revision++; \
+ cma__int_unlock (_int_att_->mutex); \
+ }
+
+/*
+ * FUNCTIONAL DESCRIPTION:
+ *
+ * cma__int_attr_get_guardsize - Performs work of cma_attr_get_guardsize
+ *
+ * FORMAL PARAMETERS:
+ *
+ * cma_t_attr *_att_ - Attributes object to use
+ * cma_t_natural *_setting_ - Current setting
+ *
+ * IMPLICIT INPUTS:
+ *
+ * none
+ *
+ * IMPLICIT OUTPUTS:
+ *
+ * Attribute objects guard size setting
+ *
+ * FUNCTION VALUE:
+ *
+ * none
+ *
+ * SIDE EFFECTS:
+ *
+ * none
+ */
+#define cma__int_attr_get_guardsize(_att_,_setting_) { \
+ cma__t_int_attr *_int_att_; \
+ (_int_att_) = cma__validate_default_attr (_att_); \
+ cma__int_lock ((_int_att_)->mutex); \
+ (*(_setting_)) = (_int_att_)->guard_size; \
+ cma__int_unlock ((_int_att_)->mutex); \
+ }
+
+/*
+ * TYPEDEFS
+ */
+#ifndef __STDC__
+struct CMA__T_INT_MUTEX; /* Avoid circular dependency */
+#endif
+
+typedef struct CMA__T_CACHE {
+ cma_t_natural revision; /* Revisions */
+ cma_t_natural count;
+ cma__t_queue queue; /* Cache headers */
+ } cma__t_cache;
+
+typedef struct CMA__T_INT_ATTR {
+ cma__t_object header; /* Common header */
+ struct CMA__T_INT_ATTR *attributes; /* Point to controlling attr */
+ struct CMA__T_INT_MUTEX *mutex; /* Serialize access to object */
+ cma_t_priority priority; /* Priority of new thread */
+ cma_t_sched_policy policy; /* Sched policy of thread */
+ cma_t_boolean inherit_sched; /* Is scheduling inherited? */
+ cma_t_natural stack_size; /* Size of stack (bytes) */
+ cma_t_natural guard_size; /* Size of guard (bytes) */
+ cma_t_mutex_kind mutex_kind; /* Mutex kind */
+ cma__t_cache cache[cma__c_obj_num]; /* Cache information */
+ cma_t_boolean delete_pending; /* attr. obj. is deleted */
+ cma_t_natural refcnt; /* Number of objects using attr. obj */
+ } cma__t_int_attr;
+
+/*
+ * GLOBAL DATA
+ */
+
+extern cma__t_int_attr cma__g_def_attr;
+
+/*
+ * INTERNAL INTERFACES
+ */
+
+extern void cma__destroy_attributes (cma__t_int_attr *);
+
+extern void cma__free_attributes (cma__t_int_attr *);
+
+extern void cma__free_cache (cma__t_int_attr *,cma_t_natural );
+
+extern cma__t_int_attr *cma__get_attributes (cma__t_int_attr *);
+
+extern void cma__init_attr (void);
+
+extern void cma__reinit_attr (cma_t_integer);
+
+#endif
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