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When retrying a write() after an EINTR error on unix, be sure to also

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rerun the previous lseek().  Ticket [e59bdf6116036a]

FossilOrigin-Name: 21452f3ae6b5882b03c7cc41e661c7b8144cc3df
This commit is contained in:
drh
2011-08-19 14:54:12 +00:00
parent d5f12cd54d
commit bd1e50c920
4 changed files with 22 additions and 20 deletions
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22
src/os_unix.c
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@@ -3039,17 +3039,19 @@ static int seekAndWrite(unixFile *id, i64 offset, const void *pBuf, int cnt){
#elif defined(USE_PREAD64)
do{ got = osPwrite64(id->h, pBuf, cnt, offset);}while( got<0 && errno==EINTR);
#else
newOffset = lseek(id->h, offset, SEEK_SET);
SimulateIOError( newOffset-- );
if( newOffset!=offset ){
if( newOffset == -1 ){
((unixFile*)id)->lastErrno = errno;
}else{
((unixFile*)id)->lastErrno = 0;
do{
newOffset = lseek(id->h, offset, SEEK_SET);
SimulateIOError( newOffset-- );
if( newOffset!=offset ){
if( newOffset == -1 ){
((unixFile*)id)->lastErrno = errno;
}else{
((unixFile*)id)->lastErrno = 0;
}
return -1;
}
return -1;
}
do{ got = osWrite(id->h, pBuf, cnt); }while( got<0 && errno==EINTR );
got = osWrite(id->h, pBuf, cnt);
}while( got<0 && errno==EINTR );
#endif
TIMER_END;
if( got<0 ){