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author | Catalin Enache <catalin.enache@windriver.com> | 2017-07-07 19:43:34 +0300 |
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committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2017-08-29 15:11:38 +0100 |
commit | 6dc1f1c3cc871d00ecd59d5aeeef86b7e6965750 (patch) | |
tree | 6dd641c6a553e3d587f85f3ad4eaf590a78db239 /meta/recipes-core/glibc/glibc/0001-Add-atomic_exchange_relaxed.patch | |
parent | a1d18c00b8c9ce800a5147eaa71372083b8ae91e (diff) | |
download | openembedded-core-contrib-6dc1f1c3cc871d00ecd59d5aeeef86b7e6965750.tar.gz |
glibc: fix pthread_cond_broadcast issue (arm)
pthread_mutex functions such as pthread_cond_wait(), pthread_mutex_unlock() return
errors after PTHREAD_PRIO_INHERIT is enabled
Reference:
https://sourceware.org/bugzilla/show_bug.cgi?id=18463
Upstream patches:
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=f0e3925bf3b8df6940c3346db17e42615979d458
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=13cb8f76da9d9420330796f469dbf10643ba5b12
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=23b5cae1af04f2d912910fdaf73cb482265798c1
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=ed19993b5b0d05d62cc883571519a67dae481a14
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=2e4cf778972573221e9b87fd992844ea9b67b9bf
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=abff18c0c6055ca5d1cd46923fd1205c057139a5
This issue is Morty specific (glibc 2.24).
The issue is no longer present in glibc 2.25 (master branch).
Signed-off-by: Catalin Enache <catalin.enache@windriver.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Diffstat (limited to 'meta/recipes-core/glibc/glibc/0001-Add-atomic_exchange_relaxed.patch')
-rw-r--r-- | meta/recipes-core/glibc/glibc/0001-Add-atomic_exchange_relaxed.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/meta/recipes-core/glibc/glibc/0001-Add-atomic_exchange_relaxed.patch b/meta/recipes-core/glibc/glibc/0001-Add-atomic_exchange_relaxed.patch new file mode 100644 index 0000000000..a33a135f78 --- /dev/null +++ b/meta/recipes-core/glibc/glibc/0001-Add-atomic_exchange_relaxed.patch @@ -0,0 +1,58 @@ +From ce74a620bf9e1a40b7ba06d35160e20633a4d8bb Mon Sep 17 00:00:00 2001 +From: Catalin Enache <catalin.enache@windriver.com> +Date: Fri, 7 Jul 2017 13:11:16 +0300 +Subject: [PATCH 1/6] Add atomic_exchange_relaxed. + +* include/atomic.h (atomic_exchange_relaxed): New + +Upstream-Status: Backport + +Author: Torvald Riegel <triegel@redhat.com> +Signed-off-by: Catalin Enache <catalin.enache@windriver.com> +--- + ChangeLog | 4 ++++ + include/atomic.h | 9 +++++++++ + 2 files changed, 13 insertions(+) + +diff --git a/ChangeLog b/ChangeLog +index 0fbda90..cb87279 100644 +--- a/ChangeLog ++++ b/ChangeLog +@@ -1,3 +1,7 @@ ++2016-08-05 Torvald Riegel <triegel@redhat.com> ++ ++ * include/atomic.h (atomic_exchange_relaxed): New. ++ + 2016-01-28 Carlos O'Donell <carlos@redhat.com> + Alexey Makhalov <amakhalov@vmware.com> + Florian Weimer <fweimer@redhat.com> +diff --git a/include/atomic.h b/include/atomic.h +index ad3db25..129ee24 100644 +--- a/include/atomic.h ++++ b/include/atomic.h +@@ -588,6 +588,9 @@ void __atomic_link_error (void); + __atomic_compare_exchange_n ((mem), (expected), (desired), 1, \ + __ATOMIC_RELEASE, __ATOMIC_RELAXED); }) + ++# define atomic_exchange_relaxed(mem, desired) \ ++ ({ __atomic_check_size((mem)); \ ++ __atomic_exchange_n ((mem), (desired), __ATOMIC_RELAXED); }) + # define atomic_exchange_acquire(mem, desired) \ + ({ __atomic_check_size((mem)); \ + __atomic_exchange_n ((mem), (desired), __ATOMIC_ACQUIRE); }) +@@ -684,6 +687,12 @@ void __atomic_link_error (void); + *(expected) == __atg103_expected; }) + # endif + ++/* XXX Fall back to acquire MO because archs do not define a weaker ++ atomic_exchange. */ ++# ifndef atomic_exchange_relaxed ++# define atomic_exchange_relaxed(mem, val) \ ++ atomic_exchange_acq ((mem), (val)) ++# endif + # ifndef atomic_exchange_acquire + # define atomic_exchange_acquire(mem, val) \ + atomic_exchange_acq ((mem), (val)) +-- +2.10.2 + |