libraries/base/GHC/IO.hs · c3a496d7a36bbe0a7ae93c0478dd4bdf47a71397 · Alexander Kaznacheev / GHC

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9 years ago

c3a496d7

base: Have the argument of mask restore the state. · c3a496d7

Facundo Domínguez authored 9 years ago and

Ben Gamari committed 9 years ago

The implementation of `mask` and `uninterruptibleMask` assumed so far
that the restore argument would be called in a context with the same
masking state as that set by `mask` or `uninterruptibleMask`.

This patch has the restore argument restore the masking, whatever the
current masking state is.

Test Plan: validate

Reviewers: simonmar, hvr, austin, bgamari

Reviewed By: bgamari

Subscribers: thomie, qnikst

Differential Revision: https://phabricator.haskell.org/D1327

GHC Trac Issues: #10149

c3a496d7

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base: Have the argument of mask restore the state.

Facundo Domínguez authored 9 years ago and

Ben Gamari committed 9 years ago

The implementation of `mask` and `uninterruptibleMask` assumed so far
that the restore argument would be called in a context with the same
masking state as that set by `mask` or `uninterruptibleMask`.

This patch has the restore argument restore the masking, whatever the
current masking state is.

Test Plan: validate

Reviewers: simonmar, hvr, austin, bgamari

Reviewed By: bgamari

Subscribers: thomie, qnikst

Differential Revision: https://phabricator.haskell.org/D1327

GHC Trac Issues: #10149

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IO.hs 19.02 KiB