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author	Florian Weimer <fweimer@redhat.com>
	Wed, 8 May 2019 13:29:13 +0000 (15:29 +0200)
committer	Florian Weimer <fweimer@redhat.com>
	Wed, 8 May 2019 13:29:13 +0000 (15:29 +0200)
commit	b2f601ba9ac02bf069fd6d8aa925ed15445fd02b
tree	c59fc43d7a4652fc3214a7891377289b0c347d81	tree \| snapshot
parent	7621676f7a5130c030f7fff1cab72dbf2993b837	commit \| diff

malloc/tst-mallocfork2: Use process-shared barriers

This synchronization method has a lower overhead and makes
it more likely that the signal arrives during one of the critical
functions.

Also test for fork deadlocks explicitly.

Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>

ChangeLog		diff \| blob \| blame \| history
malloc/Makefile		diff \| blob \| blame \| history
malloc/tst-mallocfork2.c		diff \| blob \| blame \| history

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