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48 lines
1.6 KiB
48 lines
1.6 KiB
6 years ago
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From 0eb5e47f531b49c8d048c9ae9657eeb63f49a9f3 Mon Sep 17 00:00:00 2001
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From: Siteshwar Vashisht <svashisht@redhat.com>
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Date: Fri, 13 May 2016 01:34:06 +0530
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Subject: [PATCH] Fix shopt lastpipe mode crash
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---
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execute_cmd.c | 23 ++++++++++++++++++++---
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1 file changed, 20 insertions(+), 3 deletions(-)
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diff --git a/execute_cmd.c b/execute_cmd.c
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index c5cf6d2..7b22460 100644
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--- a/execute_cmd.c
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+++ b/execute_cmd.c
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@@ -2254,11 +2254,28 @@ execute_pipeline (command, asynchronous, pipe_in, pipe_out, fds_to_close)
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if (lastpipe_flag)
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{
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#if defined (JOB_CONTROL)
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- append_process (savestring (the_printed_command), dollar_dollar_pid, exec_result, lastpipe_jid);
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-#endif
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+ if (INVALID_JOB (lastpipe_jid) == 0)
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+ {
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+ append_process (savestring (the_printed_command_except_trap), dollar_dollar_pid, exec_result, lastpipe_jid);
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+ lstdin = wait_for (lastpid);
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+ }
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+ else
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+ lstdin = wait_for_single_pid (lastpid); /* checks bgpids list */
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+#else
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lstdin = wait_for (lastpid);
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+#endif
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+
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#if defined (JOB_CONTROL)
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- exec_result = job_exit_status (lastpipe_jid);
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+ /* If wait_for removes the job from the jobs table, use result of last
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+ command as pipeline's exit status as usual. The jobs list can get
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+ frozen and unfrozen at inconvenient times if there are multiple pipelines
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+ running simultaneously. */
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+ if (INVALID_JOB (lastpipe_jid) == 0)
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+ exec_result = job_exit_status (lastpipe_jid);
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+ else if (pipefail_opt)
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+ exec_result = exec_result | lstdin; /* XXX */
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+ /* otherwise we use exec_result */
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+
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#endif
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unfreeze_jobs_list ();
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}
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--
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2.5.5
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