87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
/**************************************************************************
|
|
* *
|
|
* Copyright (C) 1986, Silicon Graphics, Inc. *
|
|
* *
|
|
* These coded instructions, statements, and computer programs contain *
|
|
* unpublished proprietary information of Silicon Graphics, Inc., and *
|
|
* are protected by Federal copyright law. They may not be disclosed *
|
|
* to third parties or copied or duplicated in any form, in whole or *
|
|
* in part, without the prior written consent of Silicon Graphics, Inc. *
|
|
* *
|
|
**************************************************************************/
|
|
|
|
#ident "$Revision: 1.5 $ $Author: sfc $"
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <errno.h>
|
|
#include <sys/fcntl.h>
|
|
#include <sys/mman.h>
|
|
|
|
#define MAPSZ 0x800000
|
|
#define NMAPS 20
|
|
|
|
char *files[] = {
|
|
"f00", "f01", "f02", "f03", "f04",
|
|
"f05", "f06", "f07", "f08", "f09",
|
|
"f10", "f11", "f12", "f13", "f14",
|
|
"f15", "f16", "f17", "f18", "f19",
|
|
};
|
|
|
|
main(argc, argv)
|
|
char **argv;
|
|
{
|
|
register int i;
|
|
void sigbus();
|
|
|
|
signal(SIGSEGV, sigbus);
|
|
|
|
for (i = 0; i < NMAPS; i++) {
|
|
register int j;
|
|
register caddr_t p, s;
|
|
char *name;
|
|
int fd;
|
|
|
|
name = tempnam(NULL, files[i]);
|
|
printf("agfull:Creating %s\n", name);
|
|
fd = open(name, O_RDWR|O_CREAT, 0777);
|
|
if (fd < 0) {
|
|
perror("agfull:open");
|
|
exit(1);
|
|
}
|
|
|
|
if (unlink(name) < 0) {
|
|
perror("agfull:unlink");
|
|
exit(1);
|
|
}
|
|
|
|
s = p = mmap(0, MAPSZ, PROT_READ|PROT_WRITE,
|
|
MAP_SHARED|MAP_AUTOGROW, fd, 0);
|
|
if (p == (caddr_t)-1L) {
|
|
perror("agfull:map");
|
|
exit(1);
|
|
} else
|
|
printf("agfull:map returned 0x%x\n", p);
|
|
|
|
for (j = 0; j < MAPSZ; j++) {
|
|
*s++ = 'x';
|
|
}
|
|
|
|
if (munmap(p, MAPSZ) < 0) {
|
|
perror("agfull:unmap");
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
sigbus(sig, code)
|
|
{
|
|
printf("agfull:should get file system full error (code == %d)\n", code);
|
|
errno = code;
|
|
perror("agfull:signal handler");
|
|
exit(0);
|
|
}
|
|
|