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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2017-01-25 17:08:51 -0200
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2017-12-20 11:32:54 -0200
commit4735850f7a4f07f05ee9ff405238332f4bb3ab50 (patch)
treeb16aba7381f9bc06cc2a903a36bd9c7d647e845c /sysdeps/unix/sysv/linux/i386
parent8bfb461e20380dbc579f6dad4c54bb8a55afc82a (diff)
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nptl: Consolidate pthread_{timed,try}join{_np}
This patch consolidates the pthread_join and gnu extensions to avoid
code duplication.  The function pthread_join, pthread_tryjoin_np, and
pthread_timedjoin_np are now based on pthread_timedjoin_ex.

It also fixes some inconsistencies on ESRCH, EINVAL, EDEADLK handling
(where each implementation differs from each other) and also on
clenup handler (which now always use a CAS).

Checked on i686-linux-gnu and x86_64-linux-gnu.

	* nptl/pthreadP.h (__pthread_timedjoin_np): Define.
	* nptl/pthread_join.c (pthread_join): Use __pthread_timedjoin_np.
	* nptl/pthread_tryjoin.c (pthread_tryjoin): Likewise.
	* nptl/pthread_timedjoin.c (cleanup): Use CAS on argument setting.
	(pthread_timedjoin_np): Define internal symbol and common code from
	pthread_join.
	* sysdeps/unix/sysv/linux/i386/lowlevellock.h (__lll_timedwait_tid):
	Remove superflous checks.
	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (__lll_timedwait_tid):
	Likewise.

Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386')
-rw-r--r--sysdeps/unix/sysv/linux/i386/lowlevellock.h7
1 files changed, 1 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/sysdeps/unix/sysv/linux/i386/lowlevellock.h
index 197bb1fcd9..098c64bf96 100644
--- a/sysdeps/unix/sysv/linux/i386/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/i386/lowlevellock.h
@@ -237,12 +237,7 @@ extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
   ({									      \
     int __result = 0;							      \
     if ((tid) != 0)							      \
-      {									      \
-	if ((abstime)->tv_nsec < 0 || (abstime)->tv_nsec >= 1000000000)	      \
-	  __result = EINVAL;						      \
-	else								      \
-	  __result = __lll_timedwait_tid (&(tid), (abstime));		      \
-      }									      \
+      __result = __lll_timedwait_tid (&(tid), (abstime));		      \
     __result; })