Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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1.9 KiB

#include "io_internal.h"
#include <iarray.h>
#include <time.h>
#include "fmt.h"
#include <sys/time.h>
unsigned int io_debugstring(int64 s,char* buf,unsigned int bufsize) {
struct timeval tv;
unsigned int i;
io_entry* e;
gettimeofday(&tv,NULL);
e=iarray_get(&io_fds,s);
if (!e) return 0;
if (bufsize<100) return 0;
i=fmt_str(buf,"first_readable ");
i+=fmt_long(buf+i,first_readable);
i+=fmt_str(buf+i,", first_writeable ");
i+=fmt_long(buf+i,first_writeable);
#ifdef HAVE_SIGIO
i+=fmt_str(buf+i,", alt_firstread ");
i+=fmt_long(buf+i,alt_firstread);
i+=fmt_str(buf+i,", alt_firstwrite ");
i+=fmt_long(buf+i,alt_firstwrite);
#endif
i+=fmt_str(buf+i,"\n");
i+=fmt_str(buf+i,"fd # ");
i+=fmt_ulong(buf+i,s);
i+=fmt_str(buf+i,": ");
if (bufsize-i<100) return 0;
i+=fmt_str(buf+i,"timeout ");
i+=fmt_long(buf+i,e->timeout.sec.x-4611686018427387914ULL-tv.tv_sec);
i+=fmt_str(buf+i,".");
i+=fmt_ulong(buf+i,e->timeout.nano);
i+=fmt_str(buf+i," ");
if (bufsize-i<100) return 0;
if (e->wantread) i+=fmt_str(buf+i,"wr ");
if (e->wantwrite) i+=fmt_str(buf+i,"ww ");
if (e->canread) i+=fmt_str(buf+i,"cr ");
if (e->canwrite) i+=fmt_str(buf+i,"cw ");
if (e->nonblock) i+=fmt_str(buf+i,"nb ");
if (!e->inuse) i+=fmt_str(buf+i,"!inuse ");
if (e->kernelwantread) i+=fmt_str(buf+i,"kwr ");
if (e->kernelwantwrite) i+=fmt_str(buf+i,"kww ");
if (e->epolladded) i+=fmt_str(buf+i,"ea ");
if (e->mmapped) {
i+=fmt_str(buf+i,"mmap(");
i+=fmt_xlong(buf+i,(unsigned long)e->mmapped);
i+=fmt_str(buf+i,",");
i+=fmt_xlong(buf+i,(unsigned long)e->maplen);
i+=fmt_str(buf+i,"@");
i+=fmt_xlonglong(buf+i,(unsigned long)e->mapofs);
}
if (bufsize-i<100) return 0;
i+=fmt_str(buf+i,"next_read ");
i+=fmt_long(buf+i,e->next_read);
i+=fmt_str(buf+i," next_write ");
i+=fmt_long(buf+i,e->next_write);
i+=fmt_str(buf+i," cookie ");
i+=fmt_xlonglong(buf+i,(unsigned long)e->cookie);
buf[i]=0;
return i;
}