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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2020-06-02 23:46:48 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-07-08 17:05:35 +1000 |
| commit | 7249493949314557a5d22f52315713e5f9013e15 (patch) | |
| tree | 38c20b531ce5cf47de35bff90baad79078540a82 /src/mkbuiltins | |
| parent | Release 0.5.11. (diff) | |
| download | dash-7249493949314557a5d22f52315713e5f9013e15.tar.gz dash-7249493949314557a5d22f52315713e5f9013e15.zip | |
jobs: Fix waitcmd busy loop
We need to clear gotsigchld in waitproc because it is used as
a loop conditional for the waitcmd case. Without it waitcmd
may busy loop after a SIGCHLD.
This patch also changes gotsigchld into a volatile sig_atomic_t
to prevent compilers from optimising its accesses away.
Fixes: 6c691b3e5099 ("jobs: Only clear gotsigchld when waiting...")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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