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| author | dchagin <dchagin@FreeBSD.org> | 2016-01-09 15:17:34 +0000 |
|---|---|---|
| committer | dchagin <dchagin@FreeBSD.org> | 2016-01-09 15:17:34 +0000 |
| commit | ef31cbb1ccac3b8850d62afdfc5565527587652e (patch) | |
| tree | f040bba1ad5365ab5c7cf323bff81f16b0ead8eb | |
| parent | cb3b38d1640b6a07cdc16de9cc37c2da8cfff4c1 (diff) | |
| download | FreeBSD-src-ef31cbb1ccac3b8850d62afdfc5565527587652e.zip FreeBSD-src-ef31cbb1ccac3b8850d62afdfc5565527587652e.tar.gz | |
MFC r283384:
pthread_join() caller do futex_wait on child_clear_tid. As a results
of multiple simultaneous calls to pthread_join() specifying the same
target thread are undefined wake up the one thread.
| -rw-r--r-- | sys/compat/linux/linux_emul.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/compat/linux/linux_emul.c b/sys/compat/linux/linux_emul.c index 887f72e..aaead8d 100644 --- a/sys/compat/linux/linux_emul.c +++ b/sys/compat/linux/linux_emul.c @@ -271,7 +271,7 @@ linux_thread_detach(struct thread *td) cup.uaddr = child_clear_tid; cup.op = LINUX_FUTEX_WAKE; - cup.val = 0x7fffffff; /* Awake everyone */ + cup.val = 1; /* wake one */ cup.timeout = NULL; cup.uaddr2 = NULL; cup.val3 = 0; |
