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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2021-03-10 12:26:31 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2021-07-08 14:08:13 -0300
commit286286283e9bdc7ef894306e2dbcf4c115b97ba2 (patch)
tree00fa61df0e6e6093c337bc59a6c5fdd914d9fe6f /NEWS
parentae8c243d2473bdfc3c0f9c6b46e6dffb5a28725c (diff)
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linux: Add close_range
It was added on Linux 5.9 (278a5fbaed89) with CLOSE_RANGE_CLOEXEC added on 5.11 (582f1fb6b721f). Although FreeBSD has added the same syscall, this only adds the symbol on Linux ports. This syscall is required to provided a fail-safe way to implement the closefrom symbol (BZ #10353). Checked on x86_64-linux-gnu and i686-linux-gnu on kernel 5.11 and 4.15.
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@@ -60,6 +60,9 @@ Major new features:
to call async-signal-safe functions (such as raise or execve). This function
is currently a GNU extension.
+* On Linux, the close_range function has been added. It allows efficiently
+ closing a range of file descriptors on recent kernels (version 5.9).
+
Deprecated and removed features, and other changes affecting compatibility:
* The function pthread_mutex_consistent_np has been deprecated; programs