Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 341 insertions, 0 deletions

diff --git a/gdb/osf-share/cma_attr.h b/gdb/osf-share/cma_attr.h
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+++ b/gdb/osf-share/cma_attr.h
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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