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