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authorDenys Vlasenko <vda.linux@googlemail.com>2020-02-18 15:37:43 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2020-02-18 15:37:43 +0100
commit47eb979404735b9528538968cb5eaac7355a0c5a (patch)
tree3e75d1d7e964b45156c097ce745eee26d004fb9b /shell/Kbuild.src
parent97edfc42f112a15828aaec886ef7012d24f34d5e (diff)
downloadbusybox-47eb979404735b9528538968cb5eaac7355a0c5a.tar.gz
ash: jobs: Only clear gotsigchld when waiting for everything
Upstream commit: Date: Sat, 19 May 2018 02:39:41 +0800 jobs: Only clear gotsigchld when waiting for everything The gotsigchld flag is always cleared in dowait but not all callers of dowait will wait for everything. In particular, when jp is set we only wait until the set job isn't running anymore. This patch fixes this by only clearing gotsigchld if jp is unset. It also changes the waitcmd to actually set jp which corresponds to the behaviour of bash/ksh93/mksh. The only other caller of dowait that doesn't wait for everything is the jobless reaper. This is in fact redundant now that we wait after every simple command. This patch removes it. Finally as every caller of dowait needs to wait until either the given job is not running, or until all terminated jobs have been processed, this patch moves the loop into dowait itself. Fixes: 03876c0743a5 ("eval: Reap zombies after built-in...") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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