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47 lines
1.4 KiB
47 lines
1.4 KiB
7 years ago
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From c36b20b7dc2e787f7285e459851df1a74368e8e3 Mon Sep 17 00:00:00 2001
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From: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
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Date: Wed, 20 Sep 2017 16:52:35 +0530
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Subject: [PATCH] lsvpd: Add workaround for std::ios_base::failure' issue
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Recently on P9 we started seeing below error.
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#vpdupdate
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terminate called after throwing an instance of 'std::ios_base::failure'
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what(): basic_filebuf::underflow error reading the file
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Aborted (core dumped)
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It turns out that we needed c++ fix. Lets add workaround so that we
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don't crash.
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Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
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Reviewed-by: Ankit Kumar <ankit@linux.vnet.ibm.com>
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---
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src/internal/sys_interface/icollector.cpp | 11 +++++++++++
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1 file changed, 11 insertions(+)
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diff --git a/src/internal/sys_interface/icollector.cpp b/src/internal/sys_interface/icollector.cpp
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index 0d48c93..d6407d9 100644
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--- a/src/internal/sys_interface/icollector.cpp
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+++ b/src/internal/sys_interface/icollector.cpp
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@@ -104,6 +104,17 @@ namespace lsvpd
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*/
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string ICollector::getBinaryData( const string& path )
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{
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+ struct stat sbuf;
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+
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+ /*
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+ * Check file existence and size before calling ifstream
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+ *
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+ * Workaround for libstdc++ issue.
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+ * https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=250545
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+ */
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+ if ((stat(path.c_str(), &sbuf) != 0) || (sbuf.st_size == 0))
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+ return "";
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+
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ifstream fi(path.c_str(), ios::binary);
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string str;
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--
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2.13.5
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