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Re: unsafe signal handler

From: Chet Ramey
Subject: Re: unsafe signal handler
Date: Mon, 18 Jul 2005 11:48:22 -0400
User-agent: Mozilla Thunderbird 1.0.2 (Macintosh/20050317)

Tim Waugh wrote:
> The signal handler termination_unwind_protect() can call
> maybe_save_shell_history() -> append_history() -> history_do_write()
> -> history_filename() -> xmalloc() -> malloc()
> and malloc() is not safe to call from a signal handler.  This affects
> bash-2.05b as well as bash-3.0.

While this is true in general, the bash malloc is safe.  I will see
what can be done in the general case, however.


``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet )
Chet Ramey, ITS, CWRU    address@hidden    http://tiswww.tis.case.edu/~chet/

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