Kernel::fork should use forkall(2) on solaris instead of fork(2)
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Key: JRUBY-1846
URL: http://jira.codehaus.org/browse/JRUBY-1846
Project: JRuby
Issue Type: Bug
Components: Java Integration
Environment: Solaris
Reporter: Wayne Meissner
Priority: Minor
Kernel::fork() will probably have to use forkall() on Solaris to have the same
semantics as on Linux and MacOS where all threads are copied.
According to http://docs.sun.com/app/docs/doc/816-5137/6mba5vpjq?a=view),
Solaris' fork() creates a new process with only one thread (the caller thread).
This has the bad side-effect of potentially leaving locks that were held by
other threads still held, and may cause deadlock if any attempt is made to
acquire those locks.
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