linux_module_learn/examples/misc-progs/load50.c

39 lines
925 B
C
Raw Permalink Normal View History

2023-07-22 13:42:32 +08:00
/*
* load50.c -- a simple busy-looping tool.
* Obviously, this runs with any kernel and any Unix
*
* Copyright (C) 2001 Alessandro Rubini and Jonathan Corbet
* Copyright (C) 2001 O'Reilly & Associates
*
* The source code in this file can be freely used, adapted,
* and redistributed in source or binary form, so long as an
* acknowledgment appears in derived source files. The citation
* should list that the code comes from the book "Linux Device
* Drivers" by Alessandro Rubini and Jonathan Corbet, published
* by O'Reilly & Associates. No warranty is attached;
* we cannot take responsibility for errors or fitness for use.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int main(int argc, char **argv)
{
int i, load=50;
if (argc==2) {
load=atoi(argv[1]);
}
printf("Bringing load to %i\n",load);
for (i=0; i<load; i++)
if (fork()==0)
break;
while(1)
;
return 0;
}