Commit Graph

24 Commits

Author SHA1 Message Date
Jakub Jelinek
5624e564d2 Update copyright years.
From-SVN: r219188
2015-01-05 13:33:28 +01:00
Janne Blomqvist
89a862b40a PR 56981 Flush buffer at record boundary if possible.
2014-06-08  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/56981
	* io/unix.h (struct stream_vtable): Add new member function,
	markeor.
	(smarkeor): New inline function.
	(flush_if_unbuffered): Remove prototype.
	* io/unix.c (raw_markeor): New function.
	(raw_vtable): Initialize markeor member.
	(buf_markeor): New function.
	(buf_vtable): Initialize markeor member.
	(mem_vtable): Likewise.
	(mem4_vtable): Likewise.
	(flush_if_unbuffered): Remove function.
	* io/transfer.c (next_record): Call smarkeor instead of
	flush_if_unbuffered.

From-SVN: r211353
2014-06-08 08:43:29 +03:00
Janne Blomqvist
4269f19c09 PR 60324 Handle long path names, don't use PATH_MAX.
From-SVN: r210738
2014-05-22 06:51:25 +03:00
Richard Sandiford
f0bcf62899 Update copyright years in libgfortran/
From-SVN: r206296
2014-01-02 22:25:45 +00:00
Janne Blomqvist
c033f5ae32 PR 56981 Improve unbuffered performance on special files.
2013-04-29  Janne Blomqvist  <jb@gcc.gnu.org>

        PR fortran/56981
        * io/transfer.c (next_record_w_unf): First fix head marker, then
        write tail.
        (next_record): Call flush_if_unbuffered.
        * io/unix.c (struct unix_stream): Add field unbuffered.
        (flush_if_unbuffered): New function.
        (fd_to_stream): New argument.
        (open_external): Fix fd_to_stream call.
        (input_stream): Likewise.
        (output_stream): Likewise.
        (error_stream): Likewise.
        * io/unix.h (flush_if_unbuffered): New prototype.

From-SVN: r198390
2013-04-29 11:42:00 +03:00
Richard Sandiford
e3c063ceda Update copyright years in libgfortran.
From-SVN: r195167
2013-01-14 18:20:58 +00:00
Janne Blomqvist
33959d1d3c Share vtables instead of replicating them for each unit.
2012-03-16  Janne Blomqvist  <jb@gcc.gnu.org>

	* io/unix.h (struct stream): Rename to stream_vtable.
	(struct stream): New struct definition.
	(sread): Dereference vtable pointer.
	(swrite): Likewise.
	(sseek): Likewise.
	(struncate): Likewise.
	(sflush): Likewise.
	(sclose): Likewise.
	* io/unix.c (raw_vtable): New variable.
	(buf_vtable): Likewise.
	(mem_vtable): Likewise.
	(mem4_vtable): Likewise.
	(raw_init): Assign vtable pointer.
	(buf_init): Likewise.
	(open_internal): Likewise.
	(open_internal4): Likewise.

From-SVN: r185454
2012-03-16 10:30:26 +02:00
Janne Blomqvist
3469bd8660 Introduce a size member function to struct stream.
2011-10-31  Janne Blomqvist  <jb@gcc.gnu.org>

	* io/unix.h (struct stream): Add size function pointer.
	(ssize): New inline function.
	(file_length): Remove prototype.
	* io/unix.c (raw_size): New function.
	(raw_init): Initialize st.size pointer.
	(buf_size): New function.
	(buf_init): Initialize st.size pointer.
	(open_internal): Likewise.
	(open_internal4): Likewise.
	(file_length): Remove function.
	* io/file_pos.c (st_rewind): Use ssize instead of file_length.
	* io/open.c (test_endfile): Likewise.
	* io/transfer.c (data_transfer_init): Likewise.
	(next_record_r): Likewise.
	(next_record_w): Likewise.
	* io/unit.c (update_position): Likewise.

From-SVN: r180702
2011-10-31 16:52:26 +02:00
Janne Blomqvist
7d5ee21935 Simplify handling of special files.
2011-10-31  Janne Blomqvist  <jb@gcc.gnu.org>

* io/file_pos.c (st_rewind): Handle regular and special files
identically.
* io/intrinsics.c (fseek_sub): Don't check whether we think the
file is seekable, just do what the caller says.
* io/transfer.c (skip_record): First try to seek, then fallback to
reading and throwing away what we read.
* io/unit.c (update_position): Don't check whether file is
seekable, just try to do what we're told.
(unit_truncate): Likewise.
* io/unix.c (struct unix_stream): Remove special_file flag.
(buf_flush): Remove code for handling unseekable files.
(buf_seek): Likewise.
(fd_to_stream): Use buffered IO only for regular files.
(file_length): Remove is_seekable() call.
(is_seekable): Remove function.
(is_special): Likewise.
* io/unix.h: Remove prototypes for is_seekable and is_special.

From-SVN: r180701
2011-10-31 16:45:50 +02:00
Janne Blomqvist
6a0f6e7799 PR 47432 Use ttyname_r() if available
From-SVN: r169337
2011-01-27 22:05:45 +02:00
Janne Blomqvist
ce66b6f6ca PR 44931 Move struct unix_stream to unix.c
From-SVN: r166325
2010-11-04 21:29:28 +02:00
Janne Blomqvist
332b9a5c15 Remove prot from unix_stream
From-SVN: r166284
2010-11-04 01:07:11 +02:00
Janne Blomqvist
576e00858c Remove unused empty_internal_buffer function
From-SVN: r166276
2010-11-03 22:49:31 +02:00
Jerry DeLisle
01b9977477 re PR fortran/44931 (For INPUT_UNIT, INQUIRE NAME= should not return "stdin")
2010-07-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/44931
	* io/inquire.c (inquire_via_unit): Use ttyname to return actual device
	file name for stdin, stdout, and stderr.  If ttyname does not succeed
	fall back to default names for these units. Include string.h to allow
	using strlen function.
	* unix.c: Remove typedef of unix_stream structure, move to unix.h.
	* unix.h: Add typedef of unix_stream structure so that it is
	accessible to inquire.c.

From-SVN: r162667
2010-07-29 01:32:23 +00:00
Jerry DeLisle
746e63273f re PR fortran/44953 (FAIL: gfortran.dg/char4_iunit_1.f03 * execution test)
2010-07-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/44953
	* io/unix.c (mem_alloc_w4): Return gfc_char4_t instead of char type
	pointer. (mem_write4): Remove cast to gfc_char4_t.
	* io/transfer.c (write_block): Use a gfc_char4_t pointer.
	(memset4): New helper function. (next_record_w): Use new helper
	function rather than sset for internal units.  Don't attempt to pad
	with spaces if it is not needed.
	* io/unix.h: Update prototype for mem_alloc_w4.
	* io/write.c (memset4): Use gfc_char4_t pointer and chracter type.
	Don't use multiply by 4 to compute offset. (memcpy4): Likewise.
	(write_default_char4): Use a gfc_char4_t pointer and update memset4
	and memcpy calls. (write_a): Likewise. (write_l): Likewise.
	(write_boz): Likewise. (write_decimal): Likewise. (write_x): Likewise.
	(write_char): Add support for character(kind=4) internal units that
	was previously missed. (write_integer): Use a gfc_char4_t pointer and
	update memset4 and memcpy calls. (write_character): Likewise.
	(write_separator): Add support for character(kind=4) internal units
	that was previously missed.
	* write_float.def (output_float): Use a gfc_char4_t pointer and
	update memset4 and memcpy calls. (write_infnan): Likewise.
	(output_float_FMT_G_): Likewise.

From-SVN: r162304
2010-07-19 13:11:54 +00:00
Jerry DeLisle
c7421e06ca re PR fortran/37077 (Implement Internal Unit I/O for character KIND=4)
2010-07-12  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/37077
	* io/read.c: Fix comment.
	* io/io.h (is_char4_unit): New macro.
	* io/unit.c (get_internal_unit): Call new function open_internal4.
	* io/unix.c (mem_alloc_r4): New function. (mem_alloc_w4): New function.
	(mem_read4): New function, temporary stub. (mem_write4): New function.
	(open_internal4): New function to set stream pointers to use the new
	mem functions.
	* io/transfer.c (write_block): Use new mem_alloc_w4 to access internal
	units of kind=4.
	* io/unix.h: Add prototypes for open_internal4, mem_alloc_w4, and
	mem_alloc_r4.
	* io/write.c (memset4): New helper function. (memcpy4): New helper
	function. (write_default_char4): Use new helper functions.
	(write_a): Likewise. (write_l): Likewise. (write_boz): Likewise.
	(write_decimal): Likewise. (write_x): Likewise.
	(write_integer): Likewise.
	* io/write_float.def (output_float): Add code blocks to handle internal
	unit kind=4 output utilizing gfc_char4_t pointers. (write_infnan): Use
	new helper functions. (OUTPUT_FLOAT_FMT_G): Update this macro likewise.

From-SVN: r162123
2010-07-13 02:12:08 +00:00
Janne Blomqvist
68cb9e8a47 Fix typo in symbol visibility specification
From-SVN: r159187
2010-05-08 17:43:32 +03:00
Paul Thomas
a1ff2ab8e4 transfer.c: Update copyright.
2010-04-01  Paul Thomas  <pault@gcc.gnu.org>

	* io/transfer.c : Update copyright.
	* io/unix.c : ditto
	* io/read.c : ditto
	* io/io.h : ditto
	* io/unix.h : ditto
	* io/inquire.c : ditto
	* io/format.c : ditto
	* io/list_read.c : ditto
	* runtime/error.c : ditto
	* libgfortran.h : ditto
	* intrinsics/date_and_time.c: ditto
	* intrinsics/args.c : ditto

From-SVN: r157924
2010-04-01 18:22:00 +00:00
Jerry DeLisle
41c3cddc6b re PR fortran/43409 (I/O: INQUIRE for SIZE does not work.)
2010-03-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/43409
	* ioparm.def: Change inquire size variable to type pointer to
	GFC_IO_INT type.

2010-03-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/43409
	* io/unix.h: Add prototype for new function to return file size.
	* io/unix.c (file_size): New function.
	* io/inquire.c (inquire_via_unit): Use new function.
	(inquire_via_filename): Use new function.

From-SVN: r157593
2010-03-20 14:39:00 +00:00
Janne Blomqvist
a4384badd7 PR libfortran/40812 Large file support for MinGW
From-SVN: r154984
2009-12-04 18:28:44 +02:00
Janne Blomqvist
872d209423 Move includes after include guards
From-SVN: r154343
2009-11-19 22:23:03 +02:00
Janne Blomqvist
a2f560d05c Forgot files from r153825
From-SVN: r153827
2009-11-03 00:14:20 +02:00
Francois-Xavier Coudert
0dce3ca161 re PR libfortran/27107 (Make dependency on io/io.h broken)
PR libfortran/27107
	* runtime/environ.c: Don't include io/io.h.
	* runtime/string.c: Don't include io/io.h.
	(compare0): Add cast to avoid warning.
	* runtime/error.c: Don't include io/io.h.
	(st_printf): Move to io/unix.c.
	* intrinsics/flush.c: Delete, contents moved to io/intrinsics.c.
	* intrinsics/fget.c: Likewise.
	* intrinsics/ftell.c: Likewise.
	* intrinsics/tty.c: Likewise.
	* libgfortran.h (DEFAULT_RECL, notification_std,
	get_unformatted_convert, IOPARM_*, st_parameter_common, unit_convert,
	DEFAULT_TEMPDIR): New declarations.
	* io/io.h (DEFAULT_RECL, notification_std, get_unformatted_convert,
	IOPARM_*, st_parameter_common, unit_convert, DEFAULT_TEMPDIR):
	Move to libgfortran.h.
	* io/unix.c: Add io/unix.h content.
	(st_printf): New function.
	* io/intrinsics.c: New file.
	* io/unix.h: Remove, contents moved into unix.c.
	* libtool-version: Update library version to 3.0.0.
	* configure.ac: Update library version to 0.3.
	* Makefile.am (intrinsics/fget.c, intrinsics/flush.c,
	intrinsics/ftell.c, intrinsics/tty.c, libgfortran.h): Remove targets.
	* Makefile.in: Regenerate.
	* configure: Regenerate.

From-SVN: r120869
2007-01-17 19:44:00 +00:00
Jakub Jelinek
5e805e44c0 re PR fortran/14943 (read/write code generation is not thread safe)
gcc/fortran/
	PR fortran/14943
	PR fortran/21647
	* Make-lang.in (fortran/trans-io.o): Depend on fortran/ioparm.def.
	* dump-parse-tree.c (gfc_show_code_node): Dump c->block for
	EXEC_{READ,WRITE,IOLENGTH} nodes.
	* io.c (terminate_io, match_io, gfc_match_inquire): Put data
	transfer commands into EXEC_{READ,WRITE,IOLENGTH}'s code->block.
	* resolve.c (resolve_blocks): Handle EXEC_{READ,WRITE,IOLENGTH}.
	* trans-io.c (ioparm_unit, ioparm_err, ioparm_end, ioparm_eor,
	ioparm_list_format, ioparm_library_return, ioparm_iostat,
	ioparm_exist, ioparm_opened, ioparm_number, ioparm_named,
	ioparm_rec, ioparm_nextrec, ioparm_size, ioparm_recl_in,
	ioparm_recl_out, ioparm_iolength, ioparm_file, ioparm_file_len,
	ioparm_status, ioparm_status_len, ioparm_access, ioparm_access_len,
	ioparm_form, ioparm_form_len, ioparm_blank, ioparm_blank_len,
	ioparm_position, ioparm_position_len, ioparm_action,
	ioparm_action_len, ioparm_delim, ioparm_delim_len, ioparm_pad,
	ioparm_pad_len, ioparm_format, ioparm_format_len, ioparm_advance,
	ioparm_advance_len, ioparm_name, ioparm_name_len,
	ioparm_internal_unit, ioparm_internal_unit_len,
	ioparm_internal_unit_desc, ioparm_sequential, ioparm_sequential_len,
	ioparm_direct, ioparm_direct_len, ioparm_formatted,
	ioparm_formatted_len, ioparm_unformatted, ioparm_unformatted_len,
	ioparm_read, ioparm_read_len, ioparm_write, ioparm_write_len,
	ioparm_readwrite, ioparm_readwrite_len, ioparm_namelist_name,
	ioparm_namelist_name_len, ioparm_namelist_read_mode, ioparm_iomsg,
	ioparm_iomsg_len, ioparm_var): Remove.
	(enum ioparam_type, enum iofield_type, enum iofield,
	enum iocall): New enums.
	(gfc_st_parameter_field, gfc_st_parameter): New typedefs.
	(st_parameter, st_parameter_field, iocall): New variables.
	(ADD_FIELD, ADD_STRING): Remove.
	(dt_parm, dt_post_end_block): New variables.
	(gfc_build_st_parameter): New function.
	(gfc_build_io_library_fndecls): Use it.  Initialize iocall
	array rather than ioparm_*, add extra first arguments to
	the function types.
	(set_parameter_const): New function.
	(set_parameter_value): Add type argument, return a bitmask.
	Changed to set a field in automatic structure variable rather
	than set a field in a global _gfortran_ioparm variable.
	(set_parameter_ref): Likewise.  If requested var has different
	size than what field should point to, call with a temporary and
	then copy into the user variable.  Add postblock argument.
	(set_string): Remove var_len argument, add type argument, return
	a bitmask.  Changed to set fields in automatic structure variable
	rather than set a field in a global _gfortran_ioparm variable.
	(set_internal_unit): Remove iunit, iunit_len, iunit_desc arguments,
	add var argument.  Return a bitmask.  Changed to set fields in
	automatic structure variable rather than set a field in a global
	_gfortran_ioparm variable.
	(set_flag): Removed.
	(io_result): Add var argument.  Changed to read common.flags field
	from automatic structure variable and bitwise AND it with 3.
	(set_error_locus): Add var argument.  Changed to set fields in
	automatic structure variable rather than set a field in a global
	_gfortran_{filename,line} variables.
	(gfc_trans_open): Use gfc_start_block rather than gfc_init_block.
	Create a temporary st_parameter_* structure.  Adjust callers of
	all above mentioned functions.  Pass address of the temporary
	variable as first argument to the generated function call.
	Use iocall array rather than ioparm_* separate variables.
	(gfc_trans_close, build_filepos, gfc_trans_inquire): Likewise.
	(build_dt): Likewise.  Change first argument to tree from tree *.
	Don't dereference code->ext.dt if last_dt == INQUIRE.  Emit
	IOLENGTH argument setup here.  Set dt_parm/dt_post_end_block
	variables and gfc_trans_code the nested data transfer commands
	in code->block.
	(gfc_trans_iolength): Just set last_dt and call build_dt immediately.
	(transfer_namelist_element): Pass address of dt_parm variable
	to generated functions.  Use iocall array rather than ioparm_*
	separate variables.
	(gfc_trans_backspace, gfc_trans_endfile, gfc_trans_rewind,
	gfc_trans_flush, gfc_trans_read, gfc_trans_write): Use iocall array
	rather than ioparm_* separate variables.
	(gfc_trans_dt_end): Likewise.  Pass address of dt_parm variable
	as first argument to generated function.  Adjust io_result caller.
	Prepend dt_post_end_block before io_result code.
	(transfer_expr): Use iocall array rather than ioparm_* separate
	variables.  Pass address of dt_parm variables as first argument
	to generated functions.
	* ioparm.def: New file.
gcc/testsuite/
	PR fortran/24774
	* gfortran.dg/inquire_9.f90: New test.

	PR fortran/21647
	* gfortran.fortran-torture/execute/inquire_5.f90: New test.
libgfortran/
	PR fortran/24774
	PR fortran/14943
	PR fortran/21647
	* Makefile.am (AM_CPPFLAGS): Add gcc directories as -I paths,
	add -D_GNU_SOURCE.
	* Makefile.in: Regenerated.
	* acinclude.m4 (LIBGFOR_CHECK_SYNC_FETCH_AND_ADD,
	LIBGFOR_CHECK_GTHR_DEFAULT, LIBGFOR_CHECK_PRAGMA_WEAK): New macros.
	* configure.ac: Add them.
	* configure: Rebuilt.
	* config.h.in: Rebuilt.
	* libtool-version: Bump libgfortran.so SONAME to libgfortran.so.1.
	* libgfortran.h (library_start, show_locus, internal_error,
	generate_error, find_option): Add st_parameter_common * argument.
	(library_end): Change into a dummy macro.
	* io/io.h: Include gthr.h.
	(SUPPORTS_WEAK): Define if HAVE_PRAGMA_WEAK.
	(CHARACTER): Remove define.
	(st_parameter, global_t): Remove typedef.
	(ioparm, g, ionml, current_unit): Remove variables.
	(init_error_stream): Remove prototype.
	(CHARACTER1, CHARACTER2): Define.
	(st_parameter_common, st_parameter_open, st_parameter_close,
	st_parameter_filepos, st_parameter_inquire, st_parameter_dt): New
	typedefs.
	(IOPARM_LIBRETURN_MASK, IOPARM_LIBRETURN_OK, IOPARM_LIBRETURN_ERROR,
	IOPARM_LIBRETURN_END, IOPARM_LIBRETURN_EOR, IOPARM_ERR, IOPARM_END,
	IOPARM_EOR, IOPARM_HAS_IOSTAT, IOPARM_HAS_IOMSG, IOPARM_COMMON_MASK,
	IOPARM_OPEN_HAS_RECL_IN, IOPARM_OPEN_HAS_FILE, IOPARM_OPEN_HAS_STATUS,
	IOPARM_OPEN_HAS_ACCESS, IOPARM_OPEN_HAS_FORM, IOPARM_OPEN_HAS_BLANK,
	IOPARM_OPEN_HAS_POSITION, IOPARM_OPEN_HAS_ACTION,
	IOPARM_OPEN_HAS_DELIM, IOPARM_OPEN_HAS_PAD, IOPARM_CLOSE_HAS_STATUS,
	IOPARM_INQUIRE_HAS_EXIST, IOPARM_INQUIRE_HAS_OPENED,
	IOPARM_INQUIRE_HAS_NUMBER, IOPARM_INQUIRE_HAS_NAMED,
	IOPARM_INQUIRE_HAS_NEXTREC, IOPARM_INQUIRE_HAS_RECL_OUT,
	IOPARM_INQUIRE_HAS_FILE, IOPARM_INQUIRE_HAS_ACCESS,
	IOPARM_INQUIRE_HAS_FORM, IOPARM_INQUIRE_HAS_BLANK,
	IOPARM_INQUIRE_HAS_POSITION, IOPARM_INQUIRE_HAS_ACTION,
	IOPARM_INQUIRE_HAS_DELIM, IOPARM_INQUIRE_HAS_PAD,
	IOPARM_INQUIRE_HAS_NAME, IOPARM_INQUIRE_HAS_SEQUENTIAL,
	IOPARM_INQUIRE_HAS_DIRECT, IOPARM_INQUIRE_HAS_FORMATTED,
	IOPARM_INQUIRE_HAS_UNFORMATTED, IOPARM_INQUIRE_HAS_READ,
	IOPARM_INQUIRE_HAS_WRITE, IOPARM_INQUIRE_HAS_READWRITE,
	IOPARM_DT_LIST_FORMAT, IOPARM_DT_NAMELIST_READ_MODE,
	IOPARM_DT_HAS_REC, IOPARM_DT_HAS_SIZE, IOPARM_DT_HAS_IOLENGTH,
	IOPARM_DT_HAS_FORMAT, IOPARM_DT_HAS_ADVANCE,
	IOPARM_DT_HAS_INTERNAL_UNIT, IOPARM_DT_HAS_NAMELIST_NAME,
	IOPARM_DT_IONML_SET): Define.
	(gfc_unit): Add lock, waiting and close fields.  Change file
	from flexible array member into pointer to char.
	(open_external): Add st_parameter_open * argument.
	(find_file, file_exists): Add file and file_len arguments.
	(flush_all_units): New prototype.
	(max_offset, unit_root, unit_lock): New variable.
	(is_internal_unit, is_array_io, next_array_record,
	parse_format, next_format, unget_format, format_error,
	read_block, write_block, next_record, convert_real,
	read_a, read_f, read_l, read_x, read_radix, read_decimal,
	list_formatted_read, finish_list_read, namelist_read,
	namelist_write, write_a, write_b, write_d, write_e, write_en,
	write_es, write_f, write_i, write_l, write_o, write_x, write_z,
	list_formatted_write, get_unit): Add st_parameter_dt * argument.
	(insert_unit): Remove prototype.
	(find_or_create_unit, unlock_unit): New prototype.
	(new_unit): Return gfc_unit *.  Add st_parameter_open *
	and gfc_unit * arguments.
	(free_fnodes): Remove prototype.
	(free_format_data): New prototype.
	(scratch): Remove.
	(init_at_eol): Remove prototype.
	(free_ionml): New prototype.
	(inc_waiting_locked, predec_waiting_locked, dec_waiting_unlocked):
	New inline functions.
	* io/unit.c (max_offset, unit_root, unit_lock): New variables.
	(insert): Adjust os_error caller.
	(insert_unit): Made static.  Allocate memory here, initialize
	lock and after inserting it return it, locked.
	(delete_unit): Adjust for deletion of g.
	(find_unit_1): New function.
	(find_unit): Use it.
	(find_or_create_unit): New function.
	(get_unit): Add dtp argument, change meaning of the int argument
	as creation request flag.  Adjust for different st_* calling
	conventions, lock internal unit's lock before returning it
	and removal of g.  Call find_unit_1 instead of find_unit.
	(is_internal_unit, is_array_io): Add dtp argument, adjust for
	removal of most of global variables.
	(init_units): Initialize unit_lock.  Adjust insert_unit callers
	and adjust for g removal.
	(close_unit_1): New function.
	(close_unit): Use it.
	(unlock_unit): New function.
	(close_units): Lock unit_lock, use close_unit_1 rather than
	close_unit.
	* io/close.c (st_close): Add clp argument.  Adjust for new
	st_* calling conventions and internal function API changes.
	* io/file_pos.c (st_backspace, st_endfile, st_rewind, st_flush):
	Add fpp argument.  Adjust for new st_* calling conventions and
	internal function API changes.
	(formatted_backspace, unformatted_backspace): Likewise.  Add
	u argument.
	* io/open.c (edit_modes, st_open): Add opp argument.  Adjust for
	new st_* calling conventions and internal function API changes.
	(already_open): Likewise.  If not HAVE_UNLINK_OPEN_FILE, unlink
	scratch file.  Instead of calling close_unit just call sclose,
	free u->file if any and clear a few u fields before calling
	new_unit.
	(new_unit): Return gfc_unit *.  Add opp and u arguments.
	Adjust for new st_* calling conventions and internal function
	API changes.  Don't allocate unit here, rather than work with
	already created unit u already locked on entry.  In case
	of failure, close_unit it.
	* io/unix.c: Include unix.h.
	(BUFFER_SIZE, unix_stream): Moved to unix.h.
	(unit_to_fd): Add unlock_unit call.
	(tempfile): Add opp argument, use its fields rather than ioparm.
	(regular_file): Likewise.
	(open_external): Likewise.  Only unlink file if fd >= 0.
	(init_error_stream): Add error argument, set structure it points
	to rather than filling static variable and returning its address.
	(FIND_FILE0_DECL, FIND_FILE0_ARGS): Define.
	(find_file0): Use them.  Don't crash if u->s == NULL.
	(find_file): Add file and file_len arguments, use them instead
	of ioparm.  Add locking.  Pass either an array of 2 struct stat
	or file and file_len pair to find_file0.
	(flush_all_units_1, flush_all_units): New functions.
	(file_exists): Add file and file_len arguments, use them instead
	of ioparm.
	* io/unix.h: New file.
	* io/lock.c (ioparm, g, ionml): Remove variables.
	(library_start): Add cmp argument, adjust for new st_* calling
	conventions.
	(library_end): Remove.
	(free_ionml): New function.
	* io/inquire.c (inquire_via_unit, inquire_via_filename,
	st_inquire): Add iqp argument, adjust for new st_* calling
	conventions and internal function API changes.
	* io/format.c (FARRAY_SIZE): Decrease to 64.
	(fnode_array, format_data): New typedefs.
	(avail, array, format_string, string, error, saved_token, value,
	format_string_len, reversion_ok, saved_format): Remove variables.
	(colon_node): Add const.
	(free_fnode, free_fnodes): Remove.
	(free_format_data): New function.
	(next_char, unget_char, get_fnode, format_lex, parse_format_list,
	format_error, parse_format, revert, unget_format, next_test): Add
	fmt or dtp arguments, pass it all around, adjust for internal
	function API changes and adjust for removal of global variables.
	(next_format): Likewise.  Constify return type.
	(next_format0): Constify return type.
	* io/transfer.c (current_unit, sf_seen_eor, eor_condition, max_pos,
	skips, pending_spaces, scratch, line_buffer, advance_status,
	transfer): Remove variables.
	(transfer_integer, transfer_real, transfer_logical,
	transfer_character, transfer_complex, transfer_array, current_mode,
	read_sf, read_block, read_block_direct, write_block,
	write_block_direct, unformatted_read, unformatted_write,
	type_name, write_constant_string, require_type,
	formatted_transfer_scalar, us_read, us_write, pre_position,
	data_transfer_init, next_record_r, next_record_w, next_record,
	finalize_transfer, iolength_transfer, iolength_transfer_init,
	st_iolength, st_iolength_done, st_read, st_read_done, st_write,
	st_write_done, st_set_nml_var, st_set_nml_var_dim,
	next_array_record): Add dtp argument, pass it all around, adjust for
	internal function API changes and removal of global variables.
	* io/list_read.c (repeat_count, saved_length, saved_used,
	input_complete, at_eol, comma_flag, last_char, saved_string,
	saved_type, namelist_mode, nml_read_error, value, parse_err_msg,
	nml_err_msg, prev_nl): Remove variables.
	(push_char, free_saved, next_char, unget_char, eat_spaces,
	eat_separator, finish_separator, nml_bad_return, convert_integer,
	parse_repeat, read_logical, read_integer, read_character,
	parse_real, read_complex, read_real, check_type,
	list_formatted_read_scalar, list_formatted_read, finish_list_read,
	find_nml_node, nml_untouch_nodes, nml_match_name, nml_query,
	namelist_read): Add dtp argument, pass it all around, adjust for
	internal function API changes and removal of global variables.
	(nml_parse_qualifier): Likewise.  Add parse_err_msg argument.
	(nml_read_obj): Likewise.  Add pprev_nl, nml_err_msg, clow and
	chigh arguments.
	(nml_get_obj_data): Likewise.  Add pprev_nl and nml_err_msg
	arguments.
	(init_at_eol): Removed.
	* io/read.c (convert_real, read_l, read_a, next_char, read_decimal,
	read_radix, read_f, read_x): Add dtp argument, pass it all around,
	adjust for internal function API changes and removal of global
	variables.
	(set_integer): Adjust internal_error caller.
	* io/write.c (no_leading_blank, nml_delim): Remove variables.
	(write_a, calculate_sign, calculate_G_format, output_float,
	write_l, write_float, write_int, write_decimal, write_i, write_b,
	write_o, write_z, write_d, write_e, write_f, write_en, write_es,
	write_x, write_char, write_logical, write_integer, write_character,
	write_real, write_complex, write_separator,
	list_formatted_write_scalar, list_formatted_write, nml_write_obj,
	namelist_write): Add dtp argument, pass it all around, adjust for
	internal function API changes and removal of global variables.
	(extract_int, extract_uint, extract_real): Adjust internal_error
	callers.
	* runtime/fpu.c (_GNU_SOURCE): Don't define here.
	* runtime/error.c: Include ../io/unix.h.
	(filename, line): Remove variables.
	(st_printf): Pass address of a local variable to init_error_stream.
	(show_locus): Add cmp argument.  Use fields it points to rather than
	filename and line variables.
	(os_error, runtime_error): Remove show_locus calls.
	(internal_error): Add cmp argument.  Pass it down to show_locus.
	(generate_error): Likewise.  Use flags bitmask instead of non-NULL
	check for iostat and iomsg parameter presence, adjust for st_*
	calling convention changes.
	* runtime/stop.c (stop_numeric, stop_string): Remove show_locus
	calls.
	* runtime/pause.c (pause_numeric, pause_string): Likewise.
	* runtime/string.c: Include ../io/io.h.
	(find_option): Add cmp argument.  Pass it down to generate_error.
	* intrinsics/flush.c (recursive_flush): Remove.
	(flush_i4, flush_i8): Use flush_all_units.  Add unlock_unit
	call.
	* intrinsics/rand.c: Include ../io/io.h.
	(rand_seed_lock): New variable.
	(srand, irand): Add locking.
	(init): New constructor function.
	* intrinsics/random.c: Include ../io/io.h.
	(random_lock): New variable.
	(random_r4, random_r8, arandom_r4, arandom_r8): Add locking.
	(random_seed): Likewise.  open failed if fd < 0.  Set i correctly.
	(init): New constructor function.
	* intrinsics/system_clock.c (tp0, t0): Remove.
	(system_clock_4, system_clock_8): Don't subtract tp0/t0 from current
	time, use just integer arithmetics.
	* intrinsics/tty.c (isatty_l4, isatty_l8, ttynam_sub): Add
	unlock_unit calls.

From-SVN: r107328
2005-11-21 23:03:56 +01:00