X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Fsysdep.h;fp=src%2Fsysdep.h;h=8b50a1f7bbb1646ba7870d76c7dd04ef5d272c36;hb=6883ee56ec887c2c48abe5b06b5e66aa74031910;hp=0000000000000000000000000000000000000000;hpb=5db996688c255b7f4bbe096f935b10d4c4ab7ade;p=chise%2Fxemacs-chise.git.1 diff --git a/src/sysdep.h b/src/sysdep.h new file mode 100644 index 0000000..8b50a1f --- /dev/null +++ b/src/sysdep.h @@ -0,0 +1,181 @@ +/* System-dependent prototypes + Copyright (C) 1985, 1993, 1994 Free Software Foundation, Inc. + +This file is part of XEmacs. + +XEmacs is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) any +later version. + +XEmacs 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 General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with XEmacs; see the file COPYING. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* Synched up with: FSF 19.30. Split out of sysdep.c/emacs.c. */ + +#ifndef _XEMACS_SYSDEP_H_ +#define _XEMACS_SYSDEP_H_ + +#include + +extern char **environ; + +struct emacs_tty; +int emacs_get_tty (int fd, struct emacs_tty *settings); +int emacs_set_tty (int fd, struct emacs_tty *settings, int waitp); + +int eight_bit_tty (struct device *d); + +void stuff_char (struct console *con, int c); + +void init_baud_rate (struct device *d); + +void set_exclusive_use (int fd); + +void set_descriptor_non_blocking (int fd); + +void wait_without_blocking (void); + +int get_pty_max_bytes (int fd); +Bufbyte get_eof_char (int fd); + +/* Wait for subprocess with process id `pid' to terminate and + make sure it will get eliminated (not remain forever as a zombie) */ +void wait_for_termination (int pid); + +/* flush any pending output + * (may flush input as well; it does not matter the way we use it) + */ +void flush_pending_output (int channel); + +void child_setup_tty (int out); + +/* Suspend the Emacs process; give terminal to its superior. */ +void sys_suspend (void); +/* Suspend a process if possible; give termianl to its superior. */ +void sys_suspend_process (int process); + +void request_sigio (void); +void unrequest_sigio (void); + +void stop_interrupts (void); +void start_interrupts (void); +void slow_down_interrupts (void); +void speed_up_interrupts (void); +void init_poll_for_quit (void); +void reset_poll_for_quit (void); + +/* Used so that signals can break out of system calls that aren't + naturally interruptible. */ + +extern JMP_BUF break_system_call_jump; +extern volatile int can_break_system_calls; + +int sys_write_1 (int fildes, CONST void *buf, size_t nbyte, + int allow_quit); +int sys_read_1 (int fildes, void *buf, size_t nbyte, + int allow_quit); + +/* Call these functions if you want to change some terminal parameter -- + reset the console, change the parameter, and init it again. */ +void init_one_console (struct console *c); +void reset_one_console (struct console *c); +void init_one_device (struct device *d); +void reset_one_device (struct device *d); + +/* Prepare all terminals for exiting Emacs; move the cursor to the + bottom of the frame, turn off special modes, etc. Called at exit. + This calls reset_one_console() on all consoles and does some other + stuff (e.g. fix the foreground pgroup). */ + +void reset_all_consoles (void); + +/* Call these functions if you are going to temporarily exit back to + the shell (e.g. when suspending). This calls reset_one_console() + on the initial console and does some other stuff (e.g. fix the + foreground pgroup). */ + +void reset_initial_console (void); +void reinit_initial_console (void); + +/* We muck around with our process group. This function needs + to be called at startup. The rest of the mucking is done as + part of the functions reset_all_consoles(), reset_initial_console(), + and reinit_initial_console(). */ + +void init_process_group (void); +void munge_tty_process_group (void); +void unmunge_tty_process_group (void); + +void disconnect_controlling_terminal (void); + +/* Return nonzero if safe to use tabs in output. + At the time this is called, init_sys_modes has not been done yet. */ +int tabs_safe_p (struct device *d); + +/* Get terminal size from system. + If zero or a negative number is stored, the value is not valid. */ +void get_tty_device_size (struct device *d, int *widthp, int *heightp); +/* Set the logical window size associated with descriptor FD */ +int set_window_size (int fd, int height, int width); + +/* Set up the proper status flags for use of a pty. */ +void setup_pty (int fd); + +/* Return the address of the start of the text segment prior to unexec. */ +char *start_of_text (void); +/* Return the address of the start of the data segment prior to unexec. */ +void *start_of_data (void); +/* Return the address of the end of the text segment prior to unexec. */ +char *end_of_text (void); +/* Return the address of the end of the data segment prior to unexec. */ +char *end_of_data (void); + +/* Get_system_name returns as its value a string for system-name to return. */ +void init_system_name (void); + +#ifndef HAVE_GETCWD +char *getcwd (char *pathname, int size); +#endif + +#ifndef HAVE_RENAME +int rename (CONST char *from, CONST char *to); +#endif + +#ifndef HAVE_DUP2 +int dup2 (int oldd, int newd); +#endif + +#ifndef HAVE_STRERROR +/* X11R6 defines strerror as a macro */ +# ifdef strerror +# undef strerror +# endif +CONST char *strerror (int); +#endif + +#ifdef WINDOWSNT +void mswindows_set_errno (unsigned long win32_error); +void mswindows_set_last_errno (void); +#endif + +int interruptible_open (CONST char *path, int oflag, int mode); + +#ifndef HAVE_H_ERRNO +extern int h_errno; +#endif + +#ifdef HAVE_REALPATH +#define xrealpath realpath +#else +char *xrealpath(CONST char *path, char resolved_path []); +#endif + +#endif /* _XEMACS_SYSDEP_H_ */