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Diffstat (limited to 'gcc-4.2.1-5666.3/libgomp/libgomp.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/libgomp.h | 336 |
1 files changed, 0 insertions, 336 deletions
diff --git a/gcc-4.2.1-5666.3/libgomp/libgomp.h b/gcc-4.2.1-5666.3/libgomp/libgomp.h deleted file mode 100644 index 47e68e69c..000000000 --- a/gcc-4.2.1-5666.3/libgomp/libgomp.h +++ /dev/null @@ -1,336 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for - more details. - - You should have received a copy of the GNU Lesser General Public License - along with libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* This file contains data types and function declarations that are not - part of the official OpenMP user interface. There are declarations - in here that are part of the GNU OpenMP ABI, in that the compiler is - required to know about them and use them. - - The convention is that the all caps prefix "GOMP" is used group items - that are part of the external ABI, and the lower case prefix "gomp" - is used group items that are completely private to the library. */ - -#ifndef LIBGOMP_H -#define LIBGOMP_H 1 - -#include "config.h" -#include "gstdint.h" - -#include <pthread.h> -#include <stdbool.h> - -#ifdef HAVE_ATTRIBUTE_VISIBILITY -# pragma GCC visibility push(hidden) -#endif - -#include "sem.h" -#include "mutex.h" -#include "bar.h" - - -/* This structure contains the data to control one work-sharing construct, - either a LOOP (FOR/DO) or a SECTIONS. */ - -enum gomp_schedule_type -{ - GFS_STATIC, - GFS_DYNAMIC, - GFS_GUIDED, - GFS_RUNTIME -}; - -struct gomp_work_share -{ - /* This member records the SCHEDULE clause to be used for this construct. - The user specification of "runtime" will already have been resolved. - If this is a SECTIONS construct, this value will always be DYNAMIC. */ - enum gomp_schedule_type sched; - - /* This is the chunk_size argument to the SCHEDULE clause. */ - long chunk_size; - - /* This is the iteration end point. If this is a SECTIONS construct, - this is the number of contained sections. */ - long end; - - /* This is the iteration step. If this is a SECTIONS construct, this - is always 1. */ - long incr; - - /* This lock protects the update of the following members. */ - gomp_mutex_t lock; - - union { - /* This is the next iteration value to be allocated. In the case of - GFS_STATIC loops, this the iteration start point and never changes. */ - long next; - - /* This is the returned data structure for SINGLE COPYPRIVATE. */ - void *copyprivate; - }; - - /* This is the count of the number of threads that have exited the work - share construct. If the construct was marked nowait, they have moved on - to other work; otherwise they're blocked on a barrier. The last member - of the team to exit the work share construct must deallocate it. */ - unsigned threads_completed; - - /* This is the index into the circular queue ordered_team_ids of the - current thread that's allowed into the ordered reason. */ - unsigned ordered_cur; - - /* This is the number of threads that have registered themselves in - the circular queue ordered_team_ids. */ - unsigned ordered_num_used; - - /* This is the team_id of the currently acknoledged owner of the ordered - section, or -1u if the ordered section has not been acknowledged by - any thread. This is distinguished from the thread that is *allowed* - to take the section next. */ - unsigned ordered_owner; - - /* This is a circular queue that details which threads will be allowed - into the ordered region and in which order. When a thread allocates - iterations on which it is going to work, it also registers itself at - the end of the array. When a thread reaches the ordered region, it - checks to see if it is the one at the head of the queue. If not, it - blocks on its RELEASE semaphore. */ - unsigned ordered_team_ids[]; -}; - -/* This structure contains all of the thread-local data associated with - a thread team. This is the data that must be saved when a thread - encounters a nested PARALLEL construct. */ - -struct gomp_team_state -{ - /* This is the team of which the thread is currently a member. */ - struct gomp_team *team; - - /* This is the work share construct which this thread is currently - processing. Recall that with NOWAIT, not all threads may be - processing the same construct. This value is NULL when there - is no construct being processed. */ - struct gomp_work_share *work_share; - - /* This is the ID of this thread within the team. This value is - guaranteed to be between 0 and N-1, where N is the number of - threads in the team. */ - unsigned team_id; - - /* The work share "generation" is a number that increases by one for - each work share construct encountered in the dynamic flow of the - program. It is used to find the control data for the work share - when encountering it for the first time. This particular number - reflects the generation of the work_share member of this struct. */ - unsigned work_share_generation; - - /* For GFS_RUNTIME loops that resolved to GFS_STATIC, this is the - trip number through the loop. So first time a particular loop - is encountered this number is 0, the second time through the loop - is 1, etc. This is unused when the compiler knows in advance that - the loop is statically scheduled. */ - unsigned long static_trip; -}; - -/* This structure describes a "team" of threads. These are the threads - that are spawned by a PARALLEL constructs, as well as the work sharing - constructs that the team encounters. */ - -struct gomp_team -{ - /* This lock protects access to the following work shares data structures. */ - gomp_mutex_t work_share_lock; - - /* This is a dynamically sized array containing pointers to the control - structs for all "live" work share constructs. Here "live" means that - the construct has been encountered by at least one thread, and not - completed by all threads. */ - struct gomp_work_share **work_shares; - - /* The work_shares array is indexed by "generation & generation_mask". - The mask will be 2**N - 1, where 2**N is the size of the array. */ - unsigned generation_mask; - - /* These two values define the bounds of the elements of the work_shares - array that are currently in use. */ - unsigned oldest_live_gen; - unsigned num_live_gen; - - /* This is the number of threads in the current team. */ - unsigned nthreads; - - /* This is the saved team state that applied to a master thread before - the current thread was created. */ - struct gomp_team_state prev_ts; - - /* This barrier is used for most synchronization of the team. */ - gomp_barrier_t barrier; - - /* This semaphore should be used by the master thread instead of its - "native" semaphore in the thread structure. Required for nested - parallels, as the master is a member of two teams. */ - gomp_sem_t master_release; - - /* This array contains pointers to the release semaphore of the threads - in the team. */ - gomp_sem_t *ordered_release[]; -}; - -/* This structure contains all data that is private to libgomp and is - allocated per thread. */ - -struct gomp_thread -{ - /* This is the function that the thread should run upon launch. */ - void (*fn) (void *data); - void *data; - - /* This is the current team state for this thread. The ts.team member - is NULL only if the thread is idle. */ - struct gomp_team_state ts; - - /* This semaphore is used for ordered loops. */ - gomp_sem_t release; -}; - -/* ... and here is that TLS data. */ - -#ifdef HAVE_TLS -extern __thread struct gomp_thread gomp_tls_data; -static inline struct gomp_thread *gomp_thread (void) -{ - return &gomp_tls_data; -} -#else -extern pthread_key_t gomp_tls_key; -static inline struct gomp_thread *gomp_thread (void) -{ - return pthread_getspecific (gomp_tls_key); -} -#endif - -/* These are the OpenMP 2.5 internal control variables described in - section 2.3. At least those that correspond to environment variables. */ - -extern unsigned long gomp_nthreads_var; -extern bool gomp_dyn_var; -extern bool gomp_nest_var; -extern enum gomp_schedule_type gomp_run_sched_var; -extern unsigned long gomp_run_sched_chunk; - -/* The attributes to be used during thread creation. */ -extern pthread_attr_t gomp_thread_attr; - -/* Function prototypes. */ - -/* alloc.c */ - -extern void *gomp_malloc (size_t) __attribute__((malloc)); -extern void *gomp_malloc_cleared (size_t) __attribute__((malloc)); -extern void *gomp_realloc (void *, size_t); - -/* Avoid conflicting prototypes of alloca() in system headers by using - GCC's builtin alloca(). */ -#define gomp_alloca(x) __builtin_alloca(x) - -/* error.c */ - -extern void gomp_error (const char *, ...) - __attribute__((format (printf, 1, 2))); -extern void gomp_fatal (const char *, ...) - __attribute__((noreturn, format (printf, 1, 2))); - -/* iter.c */ - -extern int gomp_iter_static_next (long *, long *); -extern bool gomp_iter_dynamic_next_locked (long *, long *); -extern bool gomp_iter_guided_next_locked (long *, long *); - -#ifdef HAVE_SYNC_BUILTINS -extern bool gomp_iter_dynamic_next (long *, long *); -extern bool gomp_iter_guided_next (long *, long *); -#endif - -/* ordered.c */ - -extern void gomp_ordered_first (void); -extern void gomp_ordered_last (void); -extern void gomp_ordered_next (void); -extern void gomp_ordered_static_init (void); -extern void gomp_ordered_static_next (void); -extern void gomp_ordered_sync (void); - -/* parallel.c */ - -extern unsigned gomp_resolve_num_threads (unsigned); - -/* proc.c (in config/) */ - -extern void gomp_init_num_threads (void); -extern unsigned gomp_dynamic_max_threads (void); - -/* team.c */ - -extern void gomp_team_start (void (*) (void *), void *, unsigned, - struct gomp_work_share *); -extern void gomp_team_end (void); - -/* work.c */ - -extern struct gomp_work_share * gomp_new_work_share (bool, unsigned); -extern bool gomp_work_share_start (bool); -extern void gomp_work_share_end (void); -extern void gomp_work_share_end_nowait (void); - -#ifdef HAVE_ATTRIBUTE_VISIBILITY -# pragma GCC visibility pop -#endif - -/* Now that we're back to default visibility, include the globals. */ -#include "libgomp_g.h" - -/* Include omp.h by parts. */ -#include "omp-lock.h" -#define _LIBGOMP_OMP_LOCK_DEFINED 1 -#include "omp.h.in" - -#ifdef HAVE_ATTRIBUTE_VISIBILITY -# define attribute_hidden __attribute__ ((visibility ("hidden"))) -#else -# define attribute_hidden -#endif - -#ifdef HAVE_ATTRIBUTE_ALIAS -# define ialias(fn) \ - extern __typeof (fn) gomp_ialias_##fn \ - __attribute__ ((alias (#fn))) attribute_hidden; -#else -# define ialias(fn) -#endif - -#endif /* LIBGOMP_H */ |