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attributes.7: Comment out 'mem' text 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2014-10-18 12:54:58 +02:00
parent 04c95a3bb5
commit 8e6f13fe8a
1 changed files with 19 additions and 19 deletions
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man7/attributes.7
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@ -767,25 +767,25 @@ which makes the former safe.
.\" If this is the case,
.\" suspending asynchronous cancellation for the duration of calls
.\" to such functions is recommended.
.TP
.I mem
Functions annotated with
.I mem
as an AC-Safety issue may leak
memory if asynchronous thread cancellation interrupts their execution.
The problem is similar to that of file descriptors: there is no atomic
interface to allocate memory and store its address in the argument to a
cleanup handler,
or to release it and remove its address from that argument,
without at least temporarily disabling asynchronous cancellation,
which these functions do not do.
This remark does not by itself cause a function to be regarded as
generally AC-Unsafe.
However, cumulative effects of such leaks may be
severe enough for some programs that disabling asynchronous cancellation
for the duration of calls to such functions may be required.
.\" .TP
.\" .I mem
.\" Functions annotated with
.\" .I mem
.\" as an AC-Safety issue may leak
.\" memory if asynchronous thread cancellation interrupts their execution.
.\"
.\" The problem is similar to that of file descriptors: there is no atomic
.\" interface to allocate memory and store its address in the argument to a
.\" cleanup handler,
.\" or to release it and remove its address from that argument,
.\" without at least temporarily disabling asynchronous cancellation,
.\" which these functions do not do.
.\"
.\" This remark does not by itself cause a function to be regarded as
.\" generally AC-Unsafe.
.\" However, cumulative effects of such leaks may be
.\" severe enough for some programs that disabling asynchronous cancellation
.\" for the duration of calls to such functions may be required.
.TP
.I cwd
Functions marked with