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authorRobin H. Johnson <robbat2@gentoo.org>2015-08-08 13:49:04 -0700
committerRobin H. Johnson <robbat2@gentoo.org>2015-08-08 17:38:18 -0700
commit56bd759df1d0c750a065b8c845e93d5dfa6b549d (patch)
tree3f91093cdb475e565ae857f1c5a7fd339e2d781e /app-shells/bash/files/bash-3.2-session-leader.patch
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proj/gentoo: Initial commit
This commit represents a new era for Gentoo: Storing the gentoo-x86 tree in Git, as converted from CVS. This commit is the start of the NEW history. Any historical data is intended to be grafted onto this point. Creation process: 1. Take final CVS checkout snapshot 2. Remove ALL ChangeLog* files 3. Transform all Manifests to thin 4. Remove empty Manifests 5. Convert all stale $Header$/$Id$ CVS keywords to non-expanded Git $Id$ 5.1. Do not touch files with -kb/-ko keyword flags. Signed-off-by: Robin H. Johnson <robbat2@gentoo.org> X-Thanks: Alec Warner <antarus@gentoo.org> - did the GSoC 2006 migration tests X-Thanks: Robin H. Johnson <robbat2@gentoo.org> - infra guy, herding this project X-Thanks: Nguyen Thai Ngoc Duy <pclouds@gentoo.org> - Former Gentoo developer, wrote Git features for the migration X-Thanks: Brian Harring <ferringb@gentoo.org> - wrote much python to improve cvs2svn X-Thanks: Rich Freeman <rich0@gentoo.org> - validation scripts X-Thanks: Patrick Lauer <patrick@gentoo.org> - Gentoo dev, running new 2014 work in migration X-Thanks: Michał Górny <mgorny@gentoo.org> - scripts, QA, nagging X-Thanks: All of other Gentoo developers - many ideas and lots of paint on the bikeshed
Diffstat (limited to 'app-shells/bash/files/bash-3.2-session-leader.patch')
-rw-r--r--app-shells/bash/files/bash-3.2-session-leader.patch65
1 files changed, 65 insertions, 0 deletions
diff --git a/app-shells/bash/files/bash-3.2-session-leader.patch b/app-shells/bash/files/bash-3.2-session-leader.patch
new file mode 100644
index 000000000000..82f7d9806333
--- /dev/null
+++ b/app-shells/bash/files/bash-3.2-session-leader.patch
@@ -0,0 +1,65 @@
+http://bugs.gentoo.org/231775
+http://lists.gnu.org/archive/html/bug-bash/2008-07/msg00010.html
+
+A parent bash shell sometimes will set the session leader tty (using tcsetpgrp)
+back to itself, taking control away from a child bash shell, due to a race
+condition. A result is that the child can then not then execute some commands
+(like stty) from its init script (e.g. .bashrc). The result I (and others)
+have seen is that the bash shell will hang while reading the init script.
+
+*** jobs.c.20080704 2008-07-10 15:14:13.000000000 -0400
+--- jobs.c 2008-07-10 15:17:59.000000000 -0400
+***************
+*** 266,269 ****
+--- 266,270 ----
+ static void set_job_running __P((int));
+ static void setjstatus __P((int));
++ static int maybe_give_terminal_to __P((pid_t, pid_t, int));
+ static void mark_all_jobs_as_dead __P((void));
+ static void mark_dead_jobs_as_notified __P((int));
+***************
+*** 637,641 ****
+ */
+ if (job_control && newjob->pgrp && (subshell_environment&SUBSHELL_ASYNC) == 0)
+! give_terminal_to (newjob->pgrp, 0);
+ }
+ }
+--- 638,642 ----
+ */
+ if (job_control && newjob->pgrp && (subshell_environment&SUBSHELL_ASYNC) == 0)
+! maybe_give_terminal_to (shell_pgrp, newjob->pgrp, 0);
+ }
+ }
+***************
+*** 3833,3836 ****
+--- 3834,3863 ----
+ }
+
++ /* Give terminal to NPGRP iff it's currently owned by OPGRP. FLAGS are the
++ flags to pass to give_terminal_to(). */
++ static int
++ maybe_give_terminal_to (opgrp, npgrp, flags)
++ pid_t opgrp, npgrp;
++ int flags;
++ {
++ int tpgrp;
++
++ tpgrp = tcgetpgrp (shell_tty);
++ if (tpgrp == npgrp)
++ {
++ terminal_pgrp = npgrp;
++ return 0;
++ }
++ else if (tpgrp != opgrp)
++ {
++ #if defined (DEBUG)
++ internal_warning ("maybe_give_terminal_to: terminal pgrp == %d shell pgrp = %d", tpgrp, opgrp);
++ #endif
++ return -1;
++ }
++ else
++ return (give_terminal_to (npgrp, flags));
++ }
++
+ /* Clear out any jobs in the job array. This is intended to be used by
+ children of the shell, who should not have any job structures as baggage