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Diffstat (limited to 'gdb/osf-share/cma_init.h')
-rw-r--r-- | gdb/osf-share/cma_init.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/gdb/osf-share/cma_init.h b/gdb/osf-share/cma_init.h new file mode 100644 index 0000000..7309736 --- /dev/null +++ b/gdb/osf-share/cma_init.h @@ -0,0 +1,114 @@ +/* + * (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 CMA initialization + */ + +#ifndef CMA_INIT +#define CMA_INIT + +/* + * INCLUDE FILES + */ +#include <dce/cma_host.h> +#include <cma_errors.h> + +/* + * CONSTANTS AND MACROS + */ + +#define cma__c_env_maxattr 0 +#define cma__c_env_minattr 1 +#define cma__c_env_maxcond 2 +#define cma__c_env_mincond 3 +#define cma__c_env_maxmutex 4 +#define cma__c_env_minmutex 5 +#define cma__c_env_maxthread 6 +#define cma__c_env_minthread 7 +#define cma__c_env_maxcluster 8 +#define cma__c_env_mincluster 9 +#define cma__c_env_maxvp 10 +#define cma__c_env_multiplex 11 +#define cma__c_env_trace 12 +#define cma__c_env_trace_file 13 + +#define cma__c_env_count 13 + + +/* + * cma__int_init + * + * Initialize the main body of CMA exactly once. + * + * We raise an exception if, for some odd reason, there are already threads + * in the environment (e.g. kernel threads), and one of them is trying to + * initialize CMA before the first thread got all the way through the actual + * initialization. This code maintains the invariants: "after successfully + * calling CMA_INIT, you can call any CMA function", and "CMA is actually + * initialized at most once". + */ +/*#ifndef _HP_LIBC_R */ + +#if defined _HP_LIBC_R ||(defined(SNI_SVR4) && !defined(CMA_INIT_NEEDED)) +# define cma__int_init() +#else +# define cma__int_init() { \ + if (!cma__tac_isset(&cma__g_init_started)) { \ + if (!cma__test_and_set (&cma__g_init_started)) { \ + cma__init_static (); \ + cma__test_and_set (&cma__g_init_done); \ + } \ + else if (!cma__tac_isset (&cma__g_init_done)) { \ + cma__error (cma_s_inialrpro); \ + }}} +#endif + +/* + * TYPEDEFS + */ + +typedef enum CMA__T_ENV_TYPE { + cma__c_env_type_int, + cma__c_env_type_file + } cma__t_env_type; + +typedef struct CMA__T_ENV { + char *name; /* Name of environment variable */ + cma__t_env_type type; /* Type of variable */ + cma_t_integer value; /* Numeric value of the variable */ + } cma__t_env; + +/* + * GLOBAL DATA + */ + +extern cma__t_env cma__g_env[cma__c_env_count]; +extern cma__t_atomic_bit cma__g_init_started; +extern cma__t_atomic_bit cma__g_init_done; +extern char *cma__g_version; + +/* + * INTERNAL INTERFACES + */ + +extern void +cma__init_static (void); /* Initialize static data */ + +#if _CMA_OS_ != _CMA__VMS +extern void cma__init_atfork (void); +#endif + +#endif |