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Copyright (C) 1991, 1992 Ian Lance Taylor This file is part of the Taylor UUCP package. This program 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 of the License, or (at your option) any later version. This program 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 this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. The author of the program may be contacted at ian@@airs.com or c/o AIRS, P.O. Box 520, Waltham, MA 02254. $Log: sysh.unx,v $ Revision 1.53 1992/03/30 15:29:58 ian Added HAVE_SVR4_LOCKFILES Revision 1.52 1992/03/16 01:23:08 ian Make blocking writes optional Revision 1.51 1992/03/15 07:15:42 ian T. William Wells: don't use unblocked writes Revision 1.50 1992/03/15 04:51:17 ian Keep an array of signals we've received rather than a single variable Revision 1.49 1992/03/15 01:54:46 ian All execs are now done in isspawn, all waits are done in iswait Revision 1.48 1992/03/12 21:52:21 ian Corrected readdir prototype Revision 1.47 1992/03/11 22:06:37 ian Marty Shannon: added max-uuxqts command Revision 1.46 1992/03/11 02:09:57 ian Franc,ois Pinard: retry fork several times before giving up Revision 1.45 1992/03/11 00:18:50 ian Save temporary file if file send fails Revision 1.44 1992/03/10 17:39:57 ian Some systems don't permit both and to be included Revision 1.43 1992/03/09 22:07:36 ian Wait for terminal output to drain at various points Revision 1.42 1992/03/03 21:01:20 ian Use strict timeout in fsserial_read, eliminate all race conditions Revision 1.41 1992/03/02 04:53:07 ian Marc Unangst: added HAVE_SCO_LOCKFILES configuration parameter Revision 1.40 1992/02/29 01:06:59 ian Chip Salzenberg: recheck file permissions before sending Revision 1.39 1992/02/28 05:06:15 ian T. William Wells: fsysdep_catch must be a macro Revision 1.38 1992/02/27 05:40:54 ian T. William Wells: detach from controlling terminal, handle signals safely Revision 1.37 1992/02/23 03:26:51 ian Overhaul to use automatic configure shell script Revision 1.36 1992/02/20 04:18:59 ian Added uustat Revision 1.35 1992/02/09 05:10:50 ian Added HAVE_MKDIR configuration parameter and mkdir emulation Revision 1.34 1992/02/09 03:14:48 ian Added HAVE_OLD_DIRECTORIES for systems without readdir routines Revision 1.33 1992/02/09 02:41:58 ian Added HAVE_DUP2 configuration parameter and dup2 emulation function Revision 1.32 1992/02/08 23:34:41 ian If we have neither getcwd nor getwd, fork /bin/pwd to get the cwd Revision 1.31 1992/02/08 20:02:36 ian Added HAVE_SETRET configuration option for systems without setjmp Revision 1.30 1992/02/08 03:54:18 ian Include only in , added 1992 copyright Revision 1.29 1992/01/15 21:06:11 ian Mike Park: some systems can't include and together Revision 1.28 1992/01/15 19:40:35 ian Mike Park: handle HAVE_UNION_WAIT correctly and completely Revision 1.27 1992/01/15 07:06:29 ian Set configuration directory in Makefile rather than sysdep.h Revision 1.26 1992/01/14 04:18:47 ian Chip Salzenberg: added HAVE_USLEEP configuration parameter Revision 1.25 1992/01/13 19:59:29 ian Define LIBDIR in Makefile rather than in sysh.unx Revision 1.24 1992/01/13 05:55:59 ian Touched up a few comments Revision 1.23 1992/01/13 05:53:04 ian Mike Park: added HAVE_WAITPID and HAVE_WAIT4 configuration parameters Revision 1.22 1992/01/11 17:11:11 ian Hannu Strang: avoid compiler bug by not using -> in address constant Revision 1.21 1992/01/04 21:43:24 ian Chip Salzenberg: added ALLOW_FILENAME_ARGUMENTS to permit them Revision 1.20 1991/12/29 00:55:23 ian Monty Solomon: added HAVE_UNION_WAIT Revision 1.19 1991/12/28 17:08:47 ian John Theus: offer HAVE_GETWD as an alternative to using getcwd Revision 1.18 1991/12/28 07:01:15 ian Added HAVE_FTIME configuration option Revision 1.17 1991/12/22 22:14:19 ian Monty Solomon: added HAVE_UNISTD_H configuration parameter Revision 1.16 1991/12/19 04:25:57 ian Terry Gardner: configuration parameter to not use both NONBLOCK and NDELAY Revision 1.15 1991/12/17 07:09:58 ian Record statistics in fractions of a second Revision 1.14 1991/12/11 04:21:37 ian Arne Ludwig: merge in Arne Ludwig's patches for V2 and BNU style logging Revision 1.13 1991/12/09 19:07:07 ian Richard Todd: add HAVE_V2_LOCKFILES--binary number in lock file Revision 1.12 1991/11/30 23:28:26 ian Marty Shannon: some systems need a fake version of the rename system call Revision 1.11 1991/11/26 01:45:42 ian Marty Shannon: configuration option to not include Revision 1.10 1991/11/24 04:15:13 ian Removed extraneous comment left by last revision Revision 1.9 1991/11/21 21:49:38 ian Brian Campbell: define all macros to avoid compiler warnings Revision 1.8 1991/11/21 21:07:46 ian Brian Campbell: offer ltrunc as an alternative to ftruncate Revision 1.7 1991/11/10 19:24:22 ian Added pffile protocol entry point for file level control Revision 1.6 1991/11/08 22:52:34 ian Brian Campbell: only include and when needed Revision 1.5 1991/11/08 22:11:45 ian Brian Campbell: allow sigsetjmp as configuration option Revision 1.4 1991/11/07 19:32:28 ian Chip Salzenberg: allow LOCKDIR, and check that locking process exists Revision 1.3 1991/09/19 16:15:58 ian Chip Salzenberg: configuration option for permitting execution via sh Revision 1.2 1991/09/19 03:06:04 ian Chip Salzenberg: put BNU temporary files in system's directory Revision 1.1 1991/09/10 19:45:50 ian Initial revision */ #ifndef SYSH_UNX_H #define SYSH_UNX_H /* We're might redefine fsysdep_catch, so make sure we've gotten the prototype already. */ #ifndef SYSTEM_H #include "system.h" #endif /* Make sure the defines do not conflict. These are in this file because they are Unix dependent. */ #if HAVE_V2_LOCKFILES + HAVE_BNU_LOCKFILES + HAVE_SCO_LOCKFILES + HAVE_SVR4_LOCKFILES != 1 #error LOCKFILES define not set or duplicated #endif /* SCO and SVR4 lockfiles are basically just like BNU lockfiles. */ #if HAVE_SCO_LOCKFILES || HAVE_SVR4_LOCKFILES #undef HAVE_BNU_LOCKFILES #define HAVE_BNU_LOCKFILES 1 #endif #if HAVE_BSD_TTY + HAVE_SYSV_TERMIO + HAVE_POSIX_TERMIOS != 1 #error Terminal driver define not set or duplicated #endif #if SPOOLDIR_V2 + SPOOLDIR_BSD42 + SPOOLDIR_BSD43 + SPOOLDIR_BNU + SPOOLDIR_ULTRIX + SPOOLDIR_TAYLOR != 1 #error Spool directory define not set or duplicated #endif /* On Unix, binary files are the same as text files. */ #define BINREAD "r" #define BINWRITE "w" /* If we have sigaction, we can force system calls to not be restarted. */ #if HAVE_SIGACTION #undef HAVE_RESTARTABLE_SYSCALLS #define HAVE_RESTARTABLE_SYSCALLS 0 #endif /* If we have sigvec and SV_INTERRUPT is defined, we can force system calls to not be restarted (signal.h is included by uucp.h before this point, so SV_INTERRUPT will be defined by now if it it ever is). */ #if HAVE_SIGVEC #ifdef SV_INTERRUPT #undef HAVE_RESTARTABLE_SYSCALLS #define HAVE_RESTARTABLE_SYSCALLS 0 #endif #endif /* We don't handle sigset in combination with restartable system calls, so we check for it although this combination will never happen. */ #if ! HAVE_SIGACTION && ! HAVE_SIGVEC && HAVE_SIGSET #if HAVE_RESTARTABLE_SYSCALLS #undef HAVE_SIGSET #define HAVE_SIGSET 0 #endif #endif /* If we don't have restartable system calls, we can ignore fsysdep_catch, usysdep_start_catch and usysdep_end_catch. Otherwise fsysdep_catch has to do a setjmp. */ #if ! HAVE_RESTARTABLE_SYSCALLS #define fsysdep_catch() (TRUE) #define usysdep_start_catch() #define usysdep_end_catch() #define CATCH_PROTECT #else /* HAVE_RESTARTABLE_SYSCALLS */ #if HAVE_SETRET && ! HAVE_SIGSETJMP #include #define setjmp setret #define longjmp longret #define jmp_buf ret_buf #else /* ! HAVE_SETRET || HAVE_SIGSETJMP */ #include #if HAVE_SIGSETJMP #undef setjmp #undef longjmp #undef jmp_buf #define setjmp(s) sigsetjmp ((s), TRUE) #define longjmp siglongjmp #define jmp_buf sigjmp_buf #endif /* HAVE_SIGSETJMP */ #endif /* ! HAVE_SETRET || HAVE_SIGSETJMP */ extern volatile sig_atomic_t fSjmp; extern volatile jmp_buf sSjmp_buf; #define fsysdep_catch() (setjmp (sSjmp_buf) == 0) #define usysdep_start_catch() (fSjmp = TRUE) #define usysdep_end_catch() (fSjmp = FALSE) #define CATCH_PROTECT volatile #endif /* HAVE_RESTARTABLE_SYSCALLS */ /* Get definitions for the terminal driver. */ #if HAVE_BSD_TTY #include typedef struct sgttyb sterminal; #define fgetterminfo(o, q) (ioctl ((o), TIOCGETP, (q)) == 0) #define fsetterminfo(o, q) (ioctl ((o), TIOCSETN, (q)) == 0) #define fsetterminfodrain(o, q) (ioctl ((o), TIOCSETP, (q)) == 0) #endif /* HAVE_BSD_TTY */ #if HAVE_SYSV_TERMIO #include typedef struct termio sterminal; #define fgetterminfo(o, q) (ioctl ((o), TCGETA, (q)) == 0) #define fsetterminfo(o, q) (ioctl ((o), TCSETA, (q)) == 0) #define fsetterminfodrain(o, q) (ioctl ((o), TCSETAW, (q)) == 0) #endif /* HAVE_SYSV_TERMIO */ #if HAVE_POSIX_TERMIOS #include typedef struct termios sterminal; #define fgetterminfo(o, q) (tcgetattr ((o), (q)) == 0) #define fsetterminfo(o, q) (tcsetattr ((o), TCSANOW, (q)) == 0) #define fsetterminfodrain(o, q) (tcsetattr ((o), TCSADRAIN, (q)) == 0) /* On some systems it is not possible to include both and in the same source files; I don't really know why. On such systems, we pretend that we don't have . */ #if ! HAVE_TERMIOS_AND_SYS_IOCTL_H #undef HAVE_SYS_IOCTL_H #define HAVE_SYS_IOCTL_H 0 #endif #endif /* HAVE_POSIX_TERMIOS */ /* The root directory (this is needed by the system independent stuff as the default for local-send). */ #define ZROOTDIR "/" /* The name of the execution directory within the spool directory (this is need by the system independent uuxqt.c). */ #define XQTDIR ".Xqtdir" /* The name of the directory in which we preserve file transfers that failed. */ #define PRESERVEDIR ".Preserve" #if HAVE_TAYLOR_CONFIG /* The names of the configuration files. These are appended to NEWCONFIGLIB which is defined in Makefile. */ #define CONFIGFILE "/config" #define SYSFILE "/sys" #define PORTFILE "/port" #define DIALFILE "/dial" #define CALLFILE "/call" #define PASSWDFILE "/passwd" #define DIALCODEFILE "/dialcode" #endif /* HAVE_TAYLOR_CONFIG */ #if HAVE_V2_CONFIG /* The names of the various V2 configuration files. These are appended to OLDCONFIGLIB which is defined in Makefile. */ #define V2_SYSTEMS "/L.sys" #define V2_DEVICES "/L-devices" #define V2_USERFILE "/USERFILE" #define V2_CMDS "/L.cmds" #define V2_DIALCODES "/L-dialcodes" #endif /* HAVE_V2_CONFIG */ #if HAVE_BNU_CONFIG /* The names of the BNU configuration files. These are appended to OLDCONFIGLIB which is defined in Makefile. */ #define BNU_SYSFILES "/Sysfiles" #define BNU_SYSTEMS "/Systems" #define BNU_PERMISSIONS "/Permissions" #define BNU_DIALERS "/Dialers" #define BNU_DEVICES "/Devices" #define BNU_PERMISSIONS "/Permissions" #define BNU_DIALCODES "/Dialcodes" #define BNU_MAXUUXQTS "/Maxuuxqts" #endif /* HAVE_BNU_CONFIG */ /* Get some standard definitions. */ #include #include /* Get definitions for the file permission bits. */ #ifndef S_IRUSR #define S_IRWXU 0700 #define S_IRUSR 0400 #define S_IWUSR 0200 #define S_IXUSR 0100 #define S_IRWXG 0070 #define S_IRGRP 0040 #define S_IWGRP 0020 #define S_IXGRP 0010 #define S_IRWXO 0007 #define S_IROTH 0004 #define S_IWOTH 0002 #define S_IXOTH 0001 #endif /* ! defined (S_IRUSR) */ #ifndef S_ISDIR #ifdef S_IFDIR #define S_ISDIR(i) (((i) & S_IFMT) == S_IFDIR) #else /* ! defined (S_IFDIR) */ #define S_ISDIR(i) (((i) & 0170000) == 040000) #endif /* ! defined (S_IFDIR) */ #endif /* ! defined (S_ISDIR) */ /* We create files with these modes (should this be configurable?). */ #define IPRIVATE_FILE_MODE (S_IRUSR | S_IWUSR) #define IPUBLIC_FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) /* We create directories with this mode (should this be configurable?). */ #define IDIRECTORY_MODE (S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) #define IPUBLIC_DIRECTORY_MODE (S_IRWXU | S_IRWXG | S_IRWXO) #if ! HAVE_OPENDIR /* Define some structures to use if we don't have opendir, etc. These will only work if we have the old Unix filesystem, with a 2 byte inode and a 14 byte filename. */ #include struct dirent { char d_name[DIRSIZ + 1]; }; typedef struct { int o; struct dirent s; } DIR; extern DIR *opendir P((const char *zdir)); extern struct dirent *readdir P((DIR *)); extern int closedir P((DIR *)); #endif /* ! HAVE_OPENDIR */ /* Information we need for a UNIX serial port. */ struct ssysdep_serial_port { /* File descriptor to read from. */ int oread; /* Whether the read descriptor is blocking. */ boolean fread_blocking; /* File descriptor to write to. */ int owrite; /* Whether the write descriptor is blocking. */ boolean fwrite_blocking; /* Whether setting the read descriptor to blocking affects the write descriptor and vice-versa. */ boolean fblock_both; /* Hold the real read descriptor when using a dialer device. */ int oholdread; /* Hold the real write descriptor when using a dialer device. */ int oholdwrite; /* TRUE if this is a terminal and the remaining fields are valid. */ boolean fterminal; /* Baud rate. */ long ibaud; /* Original terminal settings. */ sterminal sorig; /* New terminal settings (raw mode, etc.). */ sterminal snew; }; /* Information we need for a UNIX stdin port. */ struct ssysdep_stdin_port { struct ssysdep_serial_port s; boolean fpty; }; /* For debugging it is helpful to know whether we are connected through a pty; the fsserial_read routine uses this information to know whether to sleep or not. */ #define SYSDEP_STDIN_CMDS(s) \ { "pty", CMDTABTYPE_BOOLEAN, (pointer) &(s).fpty, NULL } #define SYSDEP_STDIN_INIT(q) ((q)->fpty = FALSE, (q)->s.oread = -1) /* Information we need for a UNIX modem port. */ struct ssysdep_modem_port { struct ssysdep_serial_port s; }; #define SYSDEP_MODEM_INIT(q) ((q)->s.oread = -1) /* Information we need for a UNIX direct port. */ struct ssysdep_direct_port { struct ssysdep_serial_port s; }; #define SYSDEP_DIRECT_INIT(q) ((q)->s.oread = -1) /* Set a signal handler. */ extern void usset_signal P((int isig, SIGtype (*pfn) P((int)), boolean fforce, boolean *pfignored)); /* Default signal handler. This sets the appropriate element of the afSignal array. If system calls are automatically restarted, it may do a longjmp to an fsysdep_catch. */ extern SIGtype ussignal P((int isig)); /* Try to fork, repeating several times. */ extern pid_t isfork P((void)); /* Spawn a job. Returns the process ID of the spawned job or -1 on error. The following macros may be passed in aidescs. */ /* Set descriptor to /dev/null. */ #define SPAWN_NULL (-1) /* Set element of aidescs to a pipe for caller to read from. */ #define SPAWN_READ_PIPE (-2) /* Set element of aidescs to a pipe for caller to write to. */ #define SPAWN_WRITE_PIPE (-3) extern pid_t isspawn P((const char **pazargs, int *aidescs, boolean fkeepuid, boolean fkeepenv, const char *zchdir, boolean fnosigs, boolean fshell, const char *zpath, const char *zuu_machine, const char *zuu_user)); /* Do a form of popen using isspawn. */ extern FILE *espopen P((const char **pazargs, boolean frd, pid_t *pipid)); /* Wait for a particular process to finish, returning the exit status. The process ID should be pid_t, but we can't put that in a prototype. */ extern int iswait P((unsigned long ipid, const char *zreport)); /* Lock a string. */ extern boolean fsdo_lock P((const char *, boolean fspooldir)); /* Unlock a string. */ extern boolean fsdo_unlock P((const char *, boolean fspooldir)); /* See whether a directory exists. */ extern boolean fsdirectory_exists P((const char *)); /* Expand a leading tilde to the public directory or a user's home directory. Each system may have a different public directory, so the system information must be passed in. */ extern const char *zstilde_expand P((const struct ssysteminfo *qsys, const char *zfile)); /* Check access for a particular user name, or NULL to check access for any user. */ extern boolean fsuser_access P((const struct stat *, int imode, const char *zuser)); /* Copy a string to the common static buffer. */ extern const char *zscopy P((const char *z)); /* Prepend a directory to a file name, returning the common static buffer. */ extern const char *zsappend P((const char *zdir, const char *zfile)); /* Get a temporary file name. */ extern const char *zstemp_file P((const struct ssysteminfo *qsys)); /* Get a jobid from a system and file name. */ extern const char *zsfile_to_jobid P((const struct ssysteminfo *qsys, const char *zfile)); /* Get a file name from a jobid. This also returns the associated system in *pzsystem. */ extern const char *zsjobid_to_file P((const char *zid, const char **pzsystem)); #if SPOOLDIR_ULTRIX /* See whether there is a spool directory for a system. */ extern boolean fsultrix_has_spool P((const char *zsystem)); #endif /* SPOOLDIR_ULTRIX */ /* The working directory from which the program was run (this is set by usysdep_initialize if called with fgetcwd TRUE). */ extern char *zScwd; /* Local variables: mode:c End: */ #endif /* ! defined (SYSH_UNX_H) */ @ 1.1.1.1 log @initial import of 386bsd-0.1 sources @ text @@ 1.1.1.2 log @Clean up deleted files. @ text @a25 3 Revision 1.1.1.1 1993/03/21 09:53:15 cgd initial import of 386bsd-0.1 sources @