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| author | dchagin <dchagin@FreeBSD.org> | 2009-04-19 13:48:42 +0000 |
|---|---|---|
| committer | dchagin <dchagin@FreeBSD.org> | 2009-04-19 13:48:42 +0000 |
| commit | ada9604fd24dc29bff6c92bc0943439bc14011f2 (patch) | |
| tree | 5498ad96bf52e436830d5b5c228df2151231f121 /sys/compat/linux/linux_emul.c | |
| parent | 367054e0a3090fef4c4aba77a5b893d9650e64ff (diff) | |
| download | FreeBSD-src-ada9604fd24dc29bff6c92bc0943439bc14011f2.zip FreeBSD-src-ada9604fd24dc29bff6c92bc0943439bc14011f2.tar.gz | |
Remove support for FUTEX_REQUEUE operation.
Glibc does not use this operation since 2.3.3 version (Jun 2004),
as it is racy and replaced by FUTEX_CMP_REQUEUE operation.
Glibc versions prior to 2.3.3 fall back to FUTEX_WAKE when
FUTEX_REQUEUE returned EINVAL.
Any application directly using FUTEX_REQUEUE without return
value checking are definitely broken.
Limit quantity of messages per process about unsupported
operation.
Approved by: kib (mentor)
MFC after: 1 month
Diffstat (limited to 'sys/compat/linux/linux_emul.c')
| -rw-r--r-- | sys/compat/linux/linux_emul.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_emul.c b/sys/compat/linux/linux_emul.c index 1ca48a3..dc81553 100644 --- a/sys/compat/linux/linux_emul.c +++ b/sys/compat/linux/linux_emul.c @@ -86,6 +86,7 @@ linux_proc_init(struct thread *td, pid_t child, int flags) em = malloc(sizeof *em, M_LINUX, M_WAITOK | M_ZERO); em->pid = child; em->pdeath_signal = 0; + em->used_requeue = 0; em->robust_futexes = NULL; if (flags & LINUX_CLONE_THREAD) { /* handled later in the code */ |
