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/* gcc -g -Wall -o tsj tsj.c -I. -L. -lxpa */
#include <xpa.h>
#include <string.h>
#include <setjmp.h>
#define MAXB 1024
#define GB (1024 * 1024 * 1024)
char *xmalloc(int size);
void xfree(char *buf);
int main(int argc, char **argv)
{
char iter=0;
int i=0;
int n=0;
char tbuf[100];
char *bufs[MAXB];
jmp_buf env;
loop:
iter++;
if( setjmp(env) == 0 ){
XPASaveJmp((void *)env);
fprintf(stdout, "continue? ");
fgets(tbuf, 99, stdin);
if( *tbuf != 'y' ){
fprintf(stdout, "exiting ...\n");
return 0;
}
else{
fprintf(stderr, "allocating ...\n");
for(n=0; n<MAXB; n++){
bufs[n] = (char *)xmalloc(GB);
memset(bufs[n], iter, GB);
fprintf(stderr, "%d\n", n);
}
}
}
else{
for(i=0; i<n+1; i++){
if( bufs[i] ) xfree(bufs[i]);
}
n = 0;
fprintf(stderr, "freed up memory for next iteration\n");
goto loop;
}
return 0;
}
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