path: root/src/misc
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authorRich Felker <>2012-06-20 14:50:29 -0400
committerRich Felker <>2012-06-20 14:50:29 -0400
commit1af8c255040b3e1ba4913fd935d117490bfe8774 (patch)
tree3ae16b28fd9a6eaffa3c57793c703453bd2c1b24 /src/misc
parent9799560f79d37fb53d821b2f0b591a6ff260ebc3 (diff)
avoid cancellation in pclose
at the point pclose might receive and act on cancellation, it has already invalidated the FILE passed to it. thus, per musl's QOI guarantees about cancellation and resource allocation/deallocation, it's not a candidate for cancellation. if it were required to be a cancellation point by posix, we would have to switch the order of deallocation, but somehow still close the pipe in order to trigger the child process to exit. i looked into doing this, but the logic gets ugly, and i'm not sure the semantics are conformant, so i'd rather just leave it alone unless there's a need to change it.
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