BSD 4_2 development
[unix-history] / usr / src / bin / csh / sh.local.h
/* sh.local.h 4.3 12/30/82 */
/* sh.local.h 4.1 10/9/80 */
/*
* This file defines certain local parameters
* A symbol should be defined in Makefile for local conditional
* compilation, e.g. IIASA or ERNIE, to be tested here and elsewhere.
*/
/*
* Fundamental definitions which may vary from system to system.
*
* BUFSIZ The i/o buffering size; also limits word size
* SHELLPATH Where the shell will live; initalizes $shell
* MAILINTVL How often to mailcheck; more often is more expensive
* HZ Cycle of ac power
* OTHERSH Shell for scripts which don't start with #
*/
#define BUFSIZ 1024 /* default buffer size */
#define HZ 100 /* for division into seconds */
#define SHELLPATH "/bin/csh"
#define OTHERSH "/bin/sh"
#define FORKSLEEP 10 /* delay loop on non-interactive fork failure */
#define MAILINTVL 600 /* 10 minutes */
/*
* NCARGS and NOFILE are from <sys/param.h> which we choose not
* to wholly include
*/
#define NCARGS 10240 /* Max. chars in an argument list */
/*
* The shell moves std in/out/diag and the old std input away from units
* 0, 1, and 2 so that it is easy to set up these standards for invoked
* commands. If possible they should go into descriptors closed by exec.
*/
#define NOFILE 20 /* Max number of open files */
#define FSHTTY 15 /* /dev/tty when manip pgrps */
#define FSHIN 16 /* Preferred desc for shell input */
#define FSHOUT 17 /* ... shell output */
#define FSHDIAG 18 /* ... shell diagnostics */
#define FOLDSTD 19 /* ... old std input */
#define V7
#ifdef IIASA
#undef HZ
#define HZ 60
#undef OTHERSH
#endif