Add note to docs that all file descriptors except std{in,out,err} are being closed in the child before exec(). Bug #320128.
Add note to docs that all file descriptors except std{in,out,err} are
being closed in the child before exec(). Bug #320128.

git-svn-id: 79c0a0b434771571d36fb1f915535dd30d02fa63@2127 c1152ede-e825-0410-90e1-bb353d73734c

thiagoarrais/console,thiagoarrais/console,thiagoarrais/console