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author | Rich Felker <dalias@aerifal.cx> | 2012-10-06 23:57:51 -0400 |
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committer | Rich Felker <dalias@aerifal.cx> | 2012-10-06 23:57:51 -0400 |
commit | 00902c7384963192dda8a15938786a36dca7d7ab (patch) | |
tree | df0a684e3b60c93a66be0bd5648f076304cc386d /src/signal/mips | |
parent | 92e1cd9b0ba9a8fa86e0346b121e159fb88f99bc (diff) | |
download | musl-00902c7384963192dda8a15938786a36dca7d7ab.tar.gz musl-00902c7384963192dda8a15938786a36dca7d7ab.tar.xz musl-00902c7384963192dda8a15938786a36dca7d7ab.zip |
make new TLS setup block even implementation-internals signals
this is needed to ensure async-cancel-safety, i.e. to make it safe to access TLS objects when async cancellation is enabled. otherwise, if cancellation were acter upon after the atomic fetch/add but before the thread saved the obtained memory, another access to the same TLS in the cancellation handler could end up performing the atomic fetch/add again, consuming more memory than is actually available and overflowing into other objects on the heap.
Diffstat (limited to 'src/signal/mips')
0 files changed, 0 insertions, 0 deletions