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Code Issues Releases Activity

fail faster on bad mmap data

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This commit is contained in:
Eliot Horowitz 2009-12-23 15:55:07 -05:00
parent 34ce721624
commit 16b07128f3
1 changed files with 3 additions and 0 deletions
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3
util/mmap_posix.cpp
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@ -53,6 +53,9 @@ namespace mongo {
// length may be updated by callee.
theFileAllocator().allocateAsap( filename, length );
len = length;
massert( "mmap() can't map area of size 0" , length > 0 );
fd = open(filename, O_RDWR | O_NOATIME);
if ( fd <= 0 ) {