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worker: make sure killworkers() never be interrupted by another SIGCHLD...
worker: make sure killworkers() never be interrupted by another SIGCHLD killworkers() iterates over pids, which can be updated by SIGCHLD handler. So we should either copy pids or prevent killworkers() from being interrupted by SIGCHLD. I chose the latter as it is simpler and can make pids handling more consistent. This fixes a possible "set changed size during iteration" error at killworkers() before cleanup().
Yuya Nishihara -
r30423:237b2883 default
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Mercurial
=========

Mercurial is a fast, easy to use, distributed revision control tool
for software developers.

Basic install:

$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help

Running without installing:

$ make local # build for inplace usage
$ ./hg --version # should show the latest version

See https://mercurial-scm.org/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.