From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Sat, 1 Oct 2016 22:59:17 +0000 (-0400)
Subject: Fix: perform TLS fixup in all UST entry points from each thread
X-Git-Tag: v2.9.0-rc1~7
X-Git-Url: http://git.liburcu.org/?a=commitdiff_plain;h=c362addf1c50e1d3202a26ff96738b71b4f9a531;hp=c362addf1c50e1d3202a26ff96738b71b4f9a531;p=lttng-ust.git

Fix: perform TLS fixup in all UST entry points from each thread

Each entry point into lttng-ust that end up taking the ust lock need to
perform a TLS fixup for each thread. Add a TLS fixup in both listener
threads, in fork and base address dump helper libs, and in app context
and tracepoint probe registration/unregistration functions, which can be
called from application threads.

Those ensure we don't take the libc dl lock within the ust lock when
performing the TLS lazy fixup.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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