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author | Jakub Jelinek <jakub@redhat.com> | 2007-07-31 17:46:17 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-31 17:46:17 +0000 |
commit | 8833066b122427710a9e14a888ce6cfa862332d3 (patch) | |
tree | 29591019d695919417b3698618d6a342e97381d6 /nptl/pthread_cond_wait.c | |
parent | fedca46896bdb702cb988837a0c2c5447e72ba2b (diff) | |
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Updated to fedora-glibc-20070731T1624cvs/fedora-glibc-2_6_90-1
Diffstat (limited to 'nptl/pthread_cond_wait.c')
-rw-r--r-- | nptl/pthread_cond_wait.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/nptl/pthread_cond_wait.c b/nptl/pthread_cond_wait.c index f5f5cec5a8..e524aa6c94 100644 --- a/nptl/pthread_cond_wait.c +++ b/nptl/pthread_cond_wait.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003. @@ -62,16 +62,18 @@ __condvar_cleanup (void *arg) ++cbuffer->cond->__data.__woken_seq; } - cbuffer->cond->__data.__nwaiters -= 1 << COND_CLOCK_BITS; + cbuffer->cond->__data.__nwaiters -= 1 << COND_NWAITERS_SHIFT; /* If pthread_cond_destroy was called on this variable already, notify the pthread_cond_destroy caller all waiters have left and it can be successfully destroyed. */ destroying = 0; if (cbuffer->cond->__data.__total_seq == -1ULL - && cbuffer->cond->__data.__nwaiters < (1 << COND_CLOCK_BITS)) + && cbuffer->cond->__data.__nwaiters < (1 << COND_NWAITERS_SHIFT)) { - lll_futex_wake (&cbuffer->cond->__data.__nwaiters, 1); + lll_futex_wake (&cbuffer->cond->__data.__nwaiters, 1, + // XYZ check mutex flag + LLL_SHARED); destroying = 1; } @@ -80,7 +82,9 @@ __condvar_cleanup (void *arg) /* Wake everybody to make sure no condvar signal gets lost. */ if (! destroying) - lll_futex_wake (&cbuffer->cond->__data.__futex, INT_MAX); + lll_futex_wake (&cbuffer->cond->__data.__futex, INT_MAX, + // XYZ check mutex flag + LLL_SHARED); /* Get the mutex before returning unless asynchronous cancellation is in effect. */ @@ -111,7 +115,7 @@ __pthread_cond_wait (cond, mutex) /* We have one new user of the condvar. */ ++cond->__data.__total_seq; ++cond->__data.__futex; - cond->__data.__nwaiters += 1 << COND_CLOCK_BITS; + cond->__data.__nwaiters += 1 << COND_NWAITERS_SHIFT; /* Remember the mutex we are using here. If there is already a different address store this is a bad user bug. Do not store @@ -146,7 +150,9 @@ __pthread_cond_wait (cond, mutex) cbuffer.oldtype = __pthread_enable_asynccancel (); /* Wait until woken by signal or broadcast. */ - lll_futex_wait (&cond->__data.__futex, futex_val); + lll_futex_wait (&cond->__data.__futex, futex_val, + // XYZ check mutex flag + LLL_SHARED); /* Disable asynchronous cancellation. */ __pthread_disable_asynccancel (cbuffer.oldtype); @@ -168,14 +174,16 @@ __pthread_cond_wait (cond, mutex) bc_out: - cond->__data.__nwaiters -= 1 << COND_CLOCK_BITS; + cond->__data.__nwaiters -= 1 << COND_NWAITERS_SHIFT; /* If pthread_cond_destroy was called on this varaible already, notify the pthread_cond_destroy caller all waiters have left and it can be successfully destroyed. */ if (cond->__data.__total_seq == -1ULL - && cond->__data.__nwaiters < (1 << COND_CLOCK_BITS)) - lll_futex_wake (&cond->__data.__nwaiters, 1); + && cond->__data.__nwaiters < (1 << COND_NWAITERS_SHIFT)) + lll_futex_wake (&cond->__data.__nwaiters, 1, + // XYZ check mutex flag + LLL_SHARED); /* We are done with the condvar. */ lll_mutex_unlock (cond->__data.__lock); |