1 /* Copyright (C) 2002-2018 Free Software Foundation, Inc.
2 Contributed by Andy Vaught
3 F2003 I/O support contributed by Jerry DeLisle
5 This file is part of the GNU Fortran runtime library (libgfortran).
7 Libgfortran is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 Libgfortran is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 Under Section 7 of GPL version 3, you are granted additional
18 permissions described in the GCC Runtime Library Exception, version
19 3.1, as published by the Free Software Foundation.
21 You should have received a copy of the GNU General Public License and
22 a copy of the GCC Runtime Library Exception along with this program;
23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 <http://www.gnu.org/licenses/>. */
29 /* IO library include. */
31 #include "libgfortran.h"
36 /* POSIX 2008 specifies that the extended locale stuff is found in
37 locale.h, but some systems have them in xlocale.h. */
46 /* Forward declarations. */
47 struct st_parameter_dt
;
48 typedef struct stream stream
;
51 typedef struct fnode fnode
;
55 /* We have POSIX 2008 extended locale stuff. */
56 extern locale_t c_locale
;
57 internal_proto(c_locale
);
59 extern char* old_locale
;
60 internal_proto(old_locale
);
61 extern int old_locale_ctr
;
62 internal_proto(old_locale_ctr
);
63 extern __gthread_mutex_t old_locale_lock
;
64 internal_proto(old_locale_lock
);
68 /* Macros for testing what kinds of I/O we are doing. */
70 #define is_array_io(dtp) ((dtp)->internal_unit_desc)
72 #define is_internal_unit(dtp) ((dtp)->u.p.unit_is_internal)
74 #define is_stream_io(dtp) ((dtp)->u.p.current_unit->flags.access == ACCESS_STREAM)
76 #define is_char4_unit(dtp) ((dtp)->u.p.current_unit->internal_unit_kind == 4)
78 /* The array_loop_spec contains the variables for the loops over index ranges
79 that are encountered. */
81 typedef struct array_loop_spec
83 /* Index counter for this dimension. */
86 /* Start for the index counter. */
89 /* End for the index counter. */
92 /* Step for the index counter. */
97 /* User defined input/output iomsg length. */
101 /* Subroutine formatted_dtio (struct, unit, iotype, v_list, iostat,
102 iomsg, (_iotype), (_iomsg)) */
103 typedef void (*formatted_dtio
)(void *, GFC_INTEGER_4
*, char *, gfc_array_i4
*,
104 GFC_INTEGER_4
*, char *,
105 gfc_charlen_type
, gfc_charlen_type
);
107 /* Subroutine unformatted_dtio (struct, unit, iostat, iomsg, (_iomsg)) */
108 typedef void (*unformatted_dtio
)(void *, GFC_INTEGER_4
*, GFC_INTEGER_4
*,
109 char *, gfc_charlen_type
);
111 /* The dtio calls for namelist require a CLASS object to be built. */
112 typedef struct gfc_class
121 /* A structure to build a hash table for format data. */
123 #define FORMAT_HASH_SIZE 16
125 typedef struct format_hash_entry
128 gfc_charlen_type key_len
;
129 struct format_data
*hashed_fmt
;
133 /* Representation of a namelist object in libgfortran
136 &GROUPNAME OBJECT=value[s] [,OBJECT=value[s]].../
138 &GROUPNAME OBJECT=value[s] [,OBJECT=value[s]]...&END
140 The object can be a fully qualified, compound name for an intrinsic
141 type, derived types or derived type components. So, a substring
142 a(:)%b(4)%ch(2:4)(1:7) has to be treated correctly in namelist
143 read. Hence full information about the structure of the object has
144 to be available to list_read.c and write.
146 These requirements are met by the following data structures.
148 namelist_info type contains all the scalar information about the
149 object and arrays of descriptor_dimension and array_loop_spec types for
152 typedef struct namelist_type
160 /* Address for the start of the object's data. */
163 /* Address of specific DTIO subroutine. */
166 /* Address of vtable if dtio_sub non-null. */
169 /* Flag to show that a read is to be attempted for this node. */
172 /* Length of intrinsic type in bytes. */
175 /* Rank of the object. */
178 /* Overall size of the object in bytes. */
181 /* Length of character string. */
182 index_type string_length
;
184 descriptor_dimension
* dim
;
185 array_loop_spec
* ls
;
186 struct namelist_type
* next
;
190 /* Options for the OPEN statement. */
193 { ACCESS_SEQUENTIAL
, ACCESS_DIRECT
, ACCESS_APPEND
, ACCESS_STREAM
,
199 { ACTION_READ
, ACTION_WRITE
, ACTION_READWRITE
,
205 { BLANK_NULL
, BLANK_ZERO
, BLANK_UNSPECIFIED
}
209 { DELIM_NONE
, DELIM_APOSTROPHE
, DELIM_QUOTE
,
215 { FORM_FORMATTED
, FORM_UNFORMATTED
, FORM_UNSPECIFIED
}
219 { POSITION_ASIS
, POSITION_REWIND
, POSITION_APPEND
,
225 { STATUS_UNKNOWN
, STATUS_OLD
, STATUS_NEW
, STATUS_SCRATCH
,
226 STATUS_REPLACE
, STATUS_UNSPECIFIED
231 { PAD_YES
, PAD_NO
, PAD_UNSPECIFIED
}
235 { DECIMAL_POINT
, DECIMAL_COMMA
, DECIMAL_UNSPECIFIED
}
239 { ENCODING_UTF8
, ENCODING_DEFAULT
, ENCODING_UNSPECIFIED
}
243 { ROUND_UP
= GFC_FPE_UPWARD
,
244 ROUND_DOWN
= GFC_FPE_DOWNWARD
,
245 ROUND_ZERO
= GFC_FPE_TOWARDZERO
,
246 ROUND_NEAREST
= GFC_FPE_TONEAREST
,
247 ROUND_COMPATIBLE
= 10, /* round away from zero. */
248 ROUND_PROCDEFINED
, /* Here as ROUND_NEAREST. */
249 ROUND_UNSPECIFIED
/* Should never occur. */
253 /* NOTE: unit_sign must correspond with the sign_status enumerator in
254 st_parameter_dt to not break the ABI. */
256 { SIGN_PROCDEFINED
, SIGN_SUPPRESS
, SIGN_PLUS
, SIGN_UNSPECIFIED
}
260 { ADVANCE_YES
, ADVANCE_NO
, ADVANCE_UNSPECIFIED
}
264 {READING
, WRITING
, LIST_READING
, LIST_WRITING
}
268 { ASYNC_YES
, ASYNC_NO
, ASYNC_UNSPECIFIED
}
272 { SHARE_DENYRW
, SHARE_DENYNONE
,
278 { CC_LIST
, CC_FORTRAN
, CC_NONE
,
283 /* End-of-record types for CC_FORTRAN. */
291 CCF_OVERPRINT_NOA
=0x20,
296 { SIGN_S
, SIGN_SS
, SIGN_SP
}
299 /* Make sure to keep st_parameter_* in sync with gcc/fortran/ioparm.def. */
301 #define CHARACTER1(name) \
303 gfc_charlen_type name ## _len
304 #define CHARACTER2(name) \
305 gfc_charlen_type name ## _len; \
310 st_parameter_common common
;
317 CHARACTER1 (position
);
321 CHARACTER1 (convert
);
322 CHARACTER2 (decimal
);
323 CHARACTER1 (encoding
);
326 CHARACTER2 (asynchronous
);
327 GFC_INTEGER_4
*newunit
;
328 GFC_INTEGER_4 readonly
;
334 #define IOPARM_CLOSE_HAS_STATUS (1 << 7)
338 st_parameter_common common
;
345 st_parameter_common common
;
347 st_parameter_filepos
;
349 #define IOPARM_INQUIRE_HAS_EXIST (1 << 7)
350 #define IOPARM_INQUIRE_HAS_OPENED (1 << 8)
351 #define IOPARM_INQUIRE_HAS_NUMBER (1 << 9)
352 #define IOPARM_INQUIRE_HAS_NAMED (1 << 10)
353 #define IOPARM_INQUIRE_HAS_NEXTREC (1 << 11)
354 #define IOPARM_INQUIRE_HAS_RECL_OUT (1 << 12)
355 #define IOPARM_INQUIRE_HAS_STRM_POS_OUT (1 << 13)
356 #define IOPARM_INQUIRE_HAS_FILE (1 << 14)
357 #define IOPARM_INQUIRE_HAS_ACCESS (1 << 15)
358 #define IOPARM_INQUIRE_HAS_FORM (1 << 16)
359 #define IOPARM_INQUIRE_HAS_BLANK (1 << 17)
360 #define IOPARM_INQUIRE_HAS_POSITION (1 << 18)
361 #define IOPARM_INQUIRE_HAS_ACTION (1 << 19)
362 #define IOPARM_INQUIRE_HAS_DELIM (1 << 20)
363 #define IOPARM_INQUIRE_HAS_PAD (1 << 21)
364 #define IOPARM_INQUIRE_HAS_NAME (1 << 22)
365 #define IOPARM_INQUIRE_HAS_SEQUENTIAL (1 << 23)
366 #define IOPARM_INQUIRE_HAS_DIRECT (1 << 24)
367 #define IOPARM_INQUIRE_HAS_FORMATTED (1 << 25)
368 #define IOPARM_INQUIRE_HAS_UNFORMATTED (1 << 26)
369 #define IOPARM_INQUIRE_HAS_READ (1 << 27)
370 #define IOPARM_INQUIRE_HAS_WRITE (1 << 28)
371 #define IOPARM_INQUIRE_HAS_READWRITE (1 << 29)
372 #define IOPARM_INQUIRE_HAS_CONVERT (1 << 30)
373 #define IOPARM_INQUIRE_HAS_FLAGS2 (1u << 31)
375 #define IOPARM_INQUIRE_HAS_ASYNCHRONOUS (1 << 0)
376 #define IOPARM_INQUIRE_HAS_DECIMAL (1 << 1)
377 #define IOPARM_INQUIRE_HAS_ENCODING (1 << 2)
378 #define IOPARM_INQUIRE_HAS_ROUND (1 << 3)
379 #define IOPARM_INQUIRE_HAS_SIGN (1 << 4)
380 #define IOPARM_INQUIRE_HAS_PENDING (1 << 5)
381 #define IOPARM_INQUIRE_HAS_SIZE (1 << 6)
382 #define IOPARM_INQUIRE_HAS_ID (1 << 7)
383 #define IOPARM_INQUIRE_HAS_IQSTREAM (1 << 8)
384 #define IOPARM_INQUIRE_HAS_SHARE (1 << 9)
385 #define IOPARM_INQUIRE_HAS_CC (1 << 10)
389 st_parameter_common common
;
390 GFC_INTEGER_4
*exist
, *opened
, *number
, *named
;
391 GFC_IO_INT
*nextrec
, *recl_out
, *strm_pos_out
;
396 CHARACTER1 (position
);
401 CHARACTER2 (sequential
);
403 CHARACTER2 (formatted
);
404 CHARACTER1 (unformatted
);
407 CHARACTER2 (readwrite
);
408 CHARACTER1 (convert
);
409 GFC_INTEGER_4 flags2
;
410 CHARACTER1 (asynchronous
);
411 CHARACTER2 (decimal
);
412 CHARACTER1 (encoding
);
415 GFC_INTEGER_4
*pending
;
418 CHARACTER1 (iqstream
);
422 st_parameter_inquire
;
425 #define IOPARM_DT_LIST_FORMAT (1 << 7)
426 #define IOPARM_DT_NAMELIST_READ_MODE (1 << 8)
427 #define IOPARM_DT_HAS_REC (1 << 9)
428 #define IOPARM_DT_HAS_SIZE (1 << 10)
429 #define IOPARM_DT_HAS_IOLENGTH (1 << 11)
430 #define IOPARM_DT_HAS_FORMAT (1 << 12)
431 #define IOPARM_DT_HAS_ADVANCE (1 << 13)
432 #define IOPARM_DT_HAS_INTERNAL_UNIT (1 << 14)
433 #define IOPARM_DT_HAS_NAMELIST_NAME (1 << 15)
434 #define IOPARM_DT_HAS_ID (1 << 16)
435 #define IOPARM_DT_HAS_POS (1 << 17)
436 #define IOPARM_DT_HAS_ASYNCHRONOUS (1 << 18)
437 #define IOPARM_DT_HAS_BLANK (1 << 19)
438 #define IOPARM_DT_HAS_DECIMAL (1 << 20)
439 #define IOPARM_DT_HAS_DELIM (1 << 21)
440 #define IOPARM_DT_HAS_PAD (1 << 22)
441 #define IOPARM_DT_HAS_ROUND (1 << 23)
442 #define IOPARM_DT_HAS_SIGN (1 << 24)
443 #define IOPARM_DT_HAS_F2003 (1 << 25)
444 #define IOPARM_DT_HAS_UDTIO (1 << 26)
445 #define IOPARM_DT_DEC_EXT (1 << 27)
446 /* Internal use bit. */
447 #define IOPARM_DT_IONML_SET (1u << 31)
450 typedef struct st_parameter_dt
452 st_parameter_common common
;
454 GFC_IO_INT
*size
, *iolength
;
455 gfc_array_char
*internal_unit_desc
;
457 CHARACTER2 (advance
);
458 CHARACTER1 (internal_unit
);
459 CHARACTER2 (namelist_name
);
462 CHARACTER1 (asynchronous
);
464 CHARACTER1 (decimal
);
469 /* Private part of the structure. The compiler just needs
470 to reserve enough space. */
475 void (*transfer
) (struct st_parameter_dt
*, bt
, void *, int,
477 struct gfc_unit
*current_unit
;
478 /* Item number in a formatted data transfer. Also used in namelist
479 read_logical as an index into line_buffer. */
482 unit_blank blank_status
;
483 unit_sign sign_status
;
485 /* Maximum righthand column written to. */
487 /* Number of skips + spaces to be done for T and X-editing. */
489 /* Number of spaces to be done for T and X-editing. */
491 /* Whether an EOR condition was encountered. Value is:
492 0 if no EOR was encountered
493 1 if an EOR was encountered due to a 1-byte marker (LF)
494 2 if an EOR was encountered due to a 2-bytes marker (CRLF) */
496 unit_advance advance_status
;
497 unsigned reversion_flag
: 1; /* Format reversion has occurred. */
498 unsigned first_item
: 1;
499 unsigned seen_dollar
: 1;
500 unsigned eor_condition
: 1;
501 unsigned no_leading_blank
: 1;
502 unsigned char_flag
: 1;
503 unsigned input_complete
: 1;
505 unsigned comma_flag
: 1;
506 /* A namelist specific flag used in the list directed library
507 to flag that calls are being made from namelist read (e.g. to
508 ignore comments or to treat '/' as a terminator) */
509 unsigned namelist_mode
: 1;
510 /* A namelist specific flag used in the list directed library
511 to flag read errors and return, so that an attempt can be
512 made to read a new object name. */
513 unsigned nml_read_error
: 1;
514 /* A sequential formatted read specific flag used to signal that a
515 character string is being read so don't use commas to shorten a
516 formatted field width. */
517 unsigned sf_read_comma
: 1;
518 /* A namelist specific flag used to enable reading input from
519 line_buffer for logical reads. */
520 unsigned line_buffer_enabled
: 1;
521 /* An internal unit specific flag used to identify that the associated
523 unsigned unit_is_internal
: 1;
524 /* An internal unit specific flag to signify an EOF condition for list
527 /* Used for g0 floating point output. */
528 unsigned g0_no_blanks
: 1;
529 /* Used to signal use of free_format_data. */
530 unsigned format_not_saved
: 1;
531 /* A flag used to identify when a non-standard expanded namelist read
533 unsigned expanded_read
: 1;
534 /* Flag to indicate if the statement has async="YES". */
536 /* 12 unused bits. */
538 int child_saved_iostat
;
547 struct format_data
*fmt
;
548 namelist_info
*ionml
;
549 #ifdef HAVE_NEWLOCALE
552 /* Current position within the look-ahead line buffer. */
554 /* Storage area for values except for strings. Must be
555 large enough to hold a complex value (two reals) of the
558 GFC_IO_INT not_used
; /* Needed for alignment. */
559 formatted_dtio fdtio_ptr
;
560 unformatted_dtio ufdtio_ptr
;
561 /* With CC_FORTRAN, the first character of a record determines the
562 style of record end (and start) to use. We must mark down the type
563 when we write first in write_a so we remember the end type later in
567 unsigned type
: 6; /* See enum cc_fortran. */
568 unsigned len
: 2; /* Always 0, 1, or 2. */
569 /* The union is updated after start-of-record is written. */
572 char start
; /* Output character for start of record. */
573 char end
; /* Output character for end of record. */
577 /* This pad size must be equal to the pad_size declared in
578 trans-io.c (gfc_build_io_library_fndecls). The above structure
579 must be smaller or equal to this array. */
580 char pad
[16 * sizeof (char *) + 32 * sizeof (int)];
585 /* Ensure st_parameter_dt's u.pad is bigger or equal to u.p. */
586 extern char check_st_parameter_dt
[sizeof (((st_parameter_dt
*) 0)->u
.pad
)
587 >= sizeof (((st_parameter_dt
*) 0)->u
.p
)
590 #define IOPARM_WAIT_HAS_ID (1 << 7)
594 st_parameter_common common
;
611 unit_position position
;
614 unit_convert convert
;
616 unit_decimal decimal
;
617 unit_encoding encoding
;
628 typedef struct gfc_unit
634 struct gfc_unit
*left
, *right
;
637 int read_bad
, current_record
, saved_pos
, previous_nonadvancing_write
;
640 { NO_ENDFILE
, AT_ENDFILE
, AFTER_ENDFILE
}
646 unit_decimal decimal_status
;
647 unit_delim delim_status
;
648 unit_round round_status
;
650 /* recl -- Record length of the file.
651 last_record -- Last record number read or written
652 maxrec -- Maximum record number in a direct access file
653 bytes_left -- Bytes left in current record.
654 strm_pos -- Current position in file for STREAM I/O.
655 recl_subrecord -- Maximum length for subrecord.
656 bytes_left_subrecord -- Bytes left in current subrecord. */
657 gfc_offset recl
, last_record
, maxrec
, bytes_left
, strm_pos
,
658 recl_subrecord
, bytes_left_subrecord
;
660 /* Set to 1 if we have read a subrecord. */
664 /* Contains the pointer to the async unit. */
665 struct async_unit
*au
;
667 __gthread_mutex_t lock
;
668 /* Number of threads waiting to acquire this unit's lock.
669 When non-zero, close_unit doesn't only removes the unit
670 from the UNIT_ROOT tree, but doesn't free it and the
671 last of the waiting threads will do that.
672 This must be either atomically increased/decreased, or
673 always guarded by UNIT_LOCK. */
675 /* Flag set by close_unit if the unit as been closed.
676 Must be manipulated under unit's lock. */
679 /* For traversing arrays */
683 /* Name of the file at the time OPEN was executed, as a
684 null-terminated C string. */
687 /* The format hash table. */
688 struct format_hash_entry format_hash_table
[FORMAT_HASH_SIZE
];
690 /* Formatting buffer. */
693 /* Function pointer, points to list_read worker functions. */
694 int (*next_char_fn_ptr
) (st_parameter_dt
*);
695 void (*push_char_fn_ptr
) (st_parameter_dt
*, int);
697 /* Internal unit char string data. */
698 char * internal_unit
;
699 gfc_charlen_type internal_unit_len
;
700 gfc_array_char
*string_unit_desc
;
701 int internal_unit_kind
;
703 /* DTIO Parent/Child procedure, 0 = parent, >0 = child level. */
706 /* Used for ungetc() style functionality. Possible values
707 are an unsigned char, EOF, or EOF - 1 used to mark the
708 field as not valid. */
711 GFC_IO_INT size_used
;
715 typedef struct gfc_saved_unit
717 GFC_INTEGER_4 unit_number
;
722 /* TEMP_FAILURE_RETRY macro from glibc. */
724 #ifndef TEMP_FAILURE_RETRY
725 /* Evaluate EXPRESSION, and repeat as long as it returns -1 with `errno'
728 # define TEMP_FAILURE_RETRY(expression) \
730 ({ long int __result; \
731 do __result = (long int) (expression); \
732 while (__result == -1L && errno == EINTR); \
739 /* Maximum file offset, computed at library initialization time. */
740 extern gfc_offset max_offset
;
741 internal_proto(max_offset
);
743 /* Default RECL for sequential access if not given in OPEN statement,
744 computed at library initialization time. */
745 extern gfc_offset default_recl
;
746 internal_proto(default_recl
);
748 /* Unit tree root. */
749 extern gfc_unit
*unit_root
;
750 internal_proto(unit_root
);
752 extern __gthread_mutex_t unit_lock
;
753 internal_proto(unit_lock
);
755 extern int close_unit (gfc_unit
*);
756 internal_proto(close_unit
);
758 extern gfc_unit
*set_internal_unit (st_parameter_dt
*, gfc_unit
*, int);
759 internal_proto(set_internal_unit
);
761 extern void stash_internal_unit (st_parameter_dt
*);
762 internal_proto(stash_internal_unit
);
764 extern gfc_unit
*find_unit (int);
765 internal_proto(find_unit
);
767 extern gfc_unit
*find_or_create_unit (int);
768 internal_proto(find_or_create_unit
);
770 extern gfc_unit
*get_unit (st_parameter_dt
*, int);
771 internal_proto(get_unit
);
773 extern void unlock_unit(gfc_unit
*);
774 internal_proto(unlock_unit
);
776 extern void finish_last_advance_record (gfc_unit
*u
);
777 internal_proto(finish_last_advance_record
);
779 extern int unit_truncate(gfc_unit
*, gfc_offset
, st_parameter_common
*);
780 internal_proto(unit_truncate
);
782 extern int newunit_alloc (void);
783 internal_proto(newunit_alloc
);
785 extern void newunit_free (int);
786 internal_proto(newunit_free
);
791 extern gfc_unit
*new_unit (st_parameter_open
*, gfc_unit
*, unit_flags
*);
792 internal_proto(new_unit
);
797 #define SCRATCH_SIZE 300
799 extern const char *type_name (bt
);
800 internal_proto(type_name
);
802 extern void * read_block_form (st_parameter_dt
*, size_t *);
803 internal_proto(read_block_form
);
805 extern void * read_block_form4 (st_parameter_dt
*, size_t *);
806 internal_proto(read_block_form4
);
808 extern void *write_block (st_parameter_dt
*, size_t);
809 internal_proto(write_block
);
811 extern gfc_offset
next_array_record (st_parameter_dt
*, array_loop_spec
*,
813 internal_proto(next_array_record
);
815 extern gfc_offset
init_loop_spec (gfc_array_char
*, array_loop_spec
*,
817 internal_proto(init_loop_spec
);
819 extern void next_record (st_parameter_dt
*, int);
820 internal_proto(next_record
);
822 extern void st_wait (st_parameter_wait
*);
823 export_proto (st_wait
);
825 extern void st_wait_async (st_parameter_wait
*);
826 export_proto (st_wait_async
);
828 extern void hit_eof (st_parameter_dt
*);
829 internal_proto(hit_eof
);
831 extern void transfer_array_inner (st_parameter_dt
*, gfc_array_char
*, int,
833 internal_proto (transfer_array_inner
);
837 extern void set_integer (void *, GFC_INTEGER_LARGEST
, int);
838 internal_proto(set_integer
);
840 extern GFC_UINTEGER_LARGEST
si_max (int);
841 internal_proto(si_max
);
843 extern int convert_real (st_parameter_dt
*, void *, const char *, int);
844 internal_proto(convert_real
);
846 extern int convert_infnan (st_parameter_dt
*, void *, const char *, int);
847 internal_proto(convert_infnan
);
849 extern void read_a (st_parameter_dt
*, const fnode
*, char *, size_t);
850 internal_proto(read_a
);
852 extern void read_a_char4 (st_parameter_dt
*, const fnode
*, char *, size_t);
853 internal_proto(read_a
);
855 extern void read_f (st_parameter_dt
*, const fnode
*, char *, int);
856 internal_proto(read_f
);
858 extern void read_l (st_parameter_dt
*, const fnode
*, char *, int);
859 internal_proto(read_l
);
861 extern void read_x (st_parameter_dt
*, size_t);
862 internal_proto(read_x
);
864 extern void read_radix (st_parameter_dt
*, const fnode
*, char *, int, int);
865 internal_proto(read_radix
);
867 extern void read_decimal (st_parameter_dt
*, const fnode
*, char *, int);
868 internal_proto(read_decimal
);
870 extern void read_user_defined (st_parameter_dt
*, void *);
871 internal_proto(read_user_defined
);
873 extern void read_user_defined (st_parameter_dt
*, void *);
874 internal_proto(read_user_defined
);
878 extern void list_formatted_read (st_parameter_dt
*, bt
, void *, int, size_t,
880 internal_proto(list_formatted_read
);
882 extern void finish_list_read (st_parameter_dt
*);
883 internal_proto(finish_list_read
);
885 extern void namelist_read (st_parameter_dt
*);
886 internal_proto(namelist_read
);
888 extern void namelist_write (st_parameter_dt
*);
889 internal_proto(namelist_write
);
893 extern void write_a (st_parameter_dt
*, const fnode
*, const char *, size_t);
894 internal_proto(write_a
);
896 extern void write_a_char4 (st_parameter_dt
*, const fnode
*, const char *, size_t);
897 internal_proto(write_a_char4
);
899 extern void write_b (st_parameter_dt
*, const fnode
*, const char *, int);
900 internal_proto(write_b
);
902 extern void write_d (st_parameter_dt
*, const fnode
*, const char *, int);
903 internal_proto(write_d
);
905 extern void write_e (st_parameter_dt
*, const fnode
*, const char *, int);
906 internal_proto(write_e
);
908 extern void write_en (st_parameter_dt
*, const fnode
*, const char *, int);
909 internal_proto(write_en
);
911 extern void write_es (st_parameter_dt
*, const fnode
*, const char *, int);
912 internal_proto(write_es
);
914 extern void write_f (st_parameter_dt
*, const fnode
*, const char *, int);
915 internal_proto(write_f
);
917 extern void write_i (st_parameter_dt
*, const fnode
*, const char *, int);
918 internal_proto(write_i
);
920 extern void write_l (st_parameter_dt
*, const fnode
*, char *, int);
921 internal_proto(write_l
);
923 extern void write_o (st_parameter_dt
*, const fnode
*, const char *, int);
924 internal_proto(write_o
);
926 extern void write_real (st_parameter_dt
*, const char *, int);
927 internal_proto(write_real
);
929 extern void write_real_g0 (st_parameter_dt
*, const char *, int, int);
930 internal_proto(write_real_g0
);
932 extern void write_x (st_parameter_dt
*, int, int);
933 internal_proto(write_x
);
935 extern void write_z (st_parameter_dt
*, const fnode
*, const char *, int);
936 internal_proto(write_z
);
938 extern void write_user_defined (st_parameter_dt
*, void *);
939 internal_proto(write_user_defined
);
941 extern void write_user_defined (st_parameter_dt
*, void *);
942 internal_proto(write_user_defined
);
944 extern void list_formatted_write (st_parameter_dt
*, bt
, void *, int, size_t,
946 internal_proto(list_formatted_write
);
948 /* size_from_kind.c */
949 extern size_t size_from_real_kind (int);
950 internal_proto(size_from_real_kind
);
952 extern size_t size_from_complex_kind (int);
953 internal_proto(size_from_complex_kind
);
957 extern void free_ionml (st_parameter_dt
*);
958 internal_proto(free_ionml
);
961 inc_waiting_locked (gfc_unit
*u
)
963 #ifdef HAVE_SYNC_FETCH_AND_ADD
964 (void) __sync_fetch_and_add (&u
->waiting
, 1);
971 predec_waiting_locked (gfc_unit
*u
)
973 #ifdef HAVE_SYNC_FETCH_AND_ADD
974 return __sync_add_and_fetch (&u
->waiting
, -1);
981 dec_waiting_unlocked (gfc_unit
*u
)
983 #ifdef HAVE_SYNC_FETCH_AND_ADD
984 (void) __sync_fetch_and_add (&u
->waiting
, -1);
986 __gthread_mutex_lock (&unit_lock
);
988 __gthread_mutex_unlock (&unit_lock
);
994 memset4 (gfc_char4_t
*p
, gfc_char4_t c
, int k
)
997 for (j
= 0; j
< k
; j
++)
1004 st_write_done_worker (st_parameter_dt
*);
1005 internal_proto (st_write_done_worker
);
1008 st_read_done_worker (st_parameter_dt
*);
1009 internal_proto (st_read_done_worker
);
1012 data_transfer_init_worker (st_parameter_dt
*, int);
1013 internal_proto (data_transfer_init_worker
);