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76151e2ce7
src/w32.c (init_environment): Change the default values of many environment variables in dflt_envvars[] to NULL, to avoid pushing them into environment when they were not already defined. Remove the code that deletes site-lisp subdirectories from the default value of EMACSLOADPATH, as it is no longer needed. (check_windows_init_file): Now external, not static. Use Vload_path as is, without adding anything, as this function is now called when Vload_path is already set up. src/w32.h (check_windows_init_file): Add prototype. src/emacs.c (init_cmdargs) [WINDOWSNT]: When running from the build directory, ignore the /*/i386/ tail in Vinvocation_directory, for compatibility with Posix platforms. (main): Move the call to check_windows_init_file to here from w32.c. (decode_env_path) [WINDOWSNT]: Expand the %emacs_dir%/ prefix, if any, in the DEFALT argument into the root of the Emacs build or installation tree, as appropriate. src/callproc.c (init_callproc_1): Call decode_env_path instead of doing its equivalent by hand. (init_callproc): Replace DOS_NT condition with MSDOS, thus letting the code that sets Vexec_path run on MS-Windows. src/lread.c (init_lread): Add comments to #ifdef's. nt/paths.h (PATH_LOADSEARCH, PATH_SITELOADSEARCH, PATH_EXEC) (PATH_DATA, PATH_DOC): Replace dummy directory names with directories relative to %emacs_dir%. (PATH_EXEC): Add lib-src/oo-spd/i386 and lib-src/oo/i386, to cater to the use case of running un-installed Emacs.
164 lines
4.9 KiB
C
164 lines
4.9 KiB
C
#ifndef EMACS_W32_H
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#define EMACS_W32_H
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/* Support routines for the NT version of Emacs.
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Copyright (C) 1994, 2001-2012 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
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/* File descriptor set emulation. */
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/* MSVC runtime library has limit of 64 descriptors by default */
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#define FD_SETSIZE 64
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typedef struct {
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unsigned int bits[FD_SETSIZE / 32];
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} fd_set;
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/* standard access macros */
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#define FD_SET(n, p) \
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do { \
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if ((n) < FD_SETSIZE) { \
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(p)->bits[(n)/32] |= (1 << (n)%32); \
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} \
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} while (0)
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#define FD_CLR(n, p) \
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do { \
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if ((n) < FD_SETSIZE) { \
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(p)->bits[(n)/32] &= ~(1 << (n)%32); \
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} \
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} while (0)
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#define FD_ISSET(n, p) ((n) < FD_SETSIZE ? ((p)->bits[(n)/32] & (1 << (n)%32)) : 0)
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#define FD_ZERO(p) memset((p), 0, sizeof(fd_set))
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#define SELECT_TYPE fd_set
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/* ------------------------------------------------------------------------- */
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/* child_process.status values */
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enum {
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STATUS_READ_ERROR = -1,
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STATUS_READ_READY,
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STATUS_READ_IN_PROGRESS,
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STATUS_READ_FAILED,
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STATUS_READ_SUCCEEDED,
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STATUS_READ_ACKNOWLEDGED
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};
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/* This structure is used for both pipes and sockets; for
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a socket, the process handle in pi is NULL. */
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typedef struct _child_process
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{
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int fd;
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int pid;
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HANDLE char_avail;
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HANDLE char_consumed;
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HANDLE thrd;
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HWND hwnd;
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PROCESS_INFORMATION procinfo;
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volatile int status;
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char chr;
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OVERLAPPED ovl_read;
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OVERLAPPED ovl_write;
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} child_process;
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#define MAXDESC FD_SETSIZE
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#define MAX_CHILDREN MAXDESC/2
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#define CHILD_ACTIVE(cp) ((cp)->char_avail != NULL)
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/* parallel array of private info on file handles */
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typedef struct
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{
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unsigned flags;
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HANDLE hnd;
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child_process * cp;
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} filedesc;
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extern filedesc fd_info [ MAXDESC ];
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/* fd_info flag definitions */
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#define FILE_READ 0x0001
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#define FILE_WRITE 0x0002
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#define FILE_LISTEN 0x0004
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#define FILE_BINARY 0x0010
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#define FILE_LAST_CR 0x0020
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#define FILE_AT_EOF 0x0040
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#define FILE_SEND_SIGCHLD 0x0080
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#define FILE_PIPE 0x0100
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#define FILE_SOCKET 0x0200
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#define FILE_NDELAY 0x0400
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#define FILE_SERIAL 0x0800
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extern child_process * new_child (void);
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extern void delete_child (child_process *cp);
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/* ------------------------------------------------------------------------- */
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/* Equivalent of strerror for W32 error codes. */
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extern char * w32_strerror (int error_no);
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/* Validate a pointer. */
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extern int w32_valid_pointer_p (void *, int);
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/* Get long (aka "true") form of file name, if it exists. */
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extern BOOL w32_get_long_filename (char * name, char * buf, int size);
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/* Prepare our standard handles for proper inheritance by child processes. */
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extern void prepare_standard_handles (int in, int out,
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int err, HANDLE handles[4]);
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/* Reset our standard handles to their original state. */
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extern void reset_standard_handles (int in, int out,
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int err, HANDLE handles[4]);
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/* Return the string resource associated with KEY of type TYPE. */
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extern LPBYTE w32_get_resource (char * key, LPDWORD type);
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extern void init_ntproc (void);
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extern void term_ntproc (void);
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extern void globals_of_w32 (void);
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extern void syms_of_w32term (void);
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extern void syms_of_w32fns (void);
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extern void globals_of_w32fns (void);
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extern void syms_of_w32select (void);
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extern void globals_of_w32select (void);
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extern void term_w32select (void);
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extern void syms_of_w32menu (void);
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extern void globals_of_w32menu (void);
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extern void syms_of_fontset (void);
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extern void syms_of_w32font (void);
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extern void check_windows_init_file (void);
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extern int _sys_read_ahead (int fd);
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extern int _sys_wait_accept (int fd);
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extern Lisp_Object Vlibrary_cache, QCloaded_from;
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extern HMODULE w32_delayed_load (Lisp_Object, Lisp_Object);
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#ifdef HAVE_GNUTLS
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#include <gnutls/gnutls.h>
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/* GnuTLS pull (read from remote) interface. */
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extern ssize_t emacs_gnutls_pull (gnutls_transport_ptr_t p,
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void* buf, size_t sz);
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/* GnuTLS push (write to remote) interface. */
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extern ssize_t emacs_gnutls_push (gnutls_transport_ptr_t p,
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const void* buf, size_t sz);
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#endif /* HAVE_GNUTLS */
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#endif /* EMACS_W32_H */
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