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Restore default SIGPIPE handler before invoking ‘man’

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Fixes NixOS/nixpkgs#3410.
This commit is contained in:
Eelco Dolstra 2014-07-31 10:31:17 +02:00
parent 45f9a91e18
commit 50dc1f5b71
4 changed files with 17 additions and 15 deletions
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10
src/libutil/util.cc
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@ -927,6 +927,16 @@ void closeOnExec(int fd)
}
void restoreSIGPIPE()
{
struct sigaction act, oact;
act.sa_handler = SIG_DFL;
act.sa_flags = 0;
sigemptyset(&act.sa_mask);
if (sigaction(SIGPIPE, &act, &oact)) throw SysError("resetting SIGPIPE");
}
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