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still bus error

This commit is contained in:
Felix von Leitner 2004-01-10 00:09:30 +00:00
parent 4c5a8ea119
commit d981f35a7f
1 changed files with 4 additions and 2 deletions
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6
io/iob_prefetch.c
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@ -14,9 +14,11 @@ void iob_prefetch(io_batch* b,uint64 bytes) {
char* c,* d;
uint64 before=bytes;
if (e->n>=1000000) {
d=c=mmap(0,bytes+4095,PROT_READ,MAP_SHARED,e->fd,(e->offset|4095)+1);
long l=e->offset&4095;
d=c=mmap(0,bytes,PROT_READ,MAP_SHARED,e->fd,(e->offset|4095)+1);
bytes-=l;
if (c!=MAP_FAILED) {
while (bytes>4096) {
while (bytes>4095) {
x=*d;
bytes-=4096;
d+=4096;