diff options
| author | davidxu <davidxu@FreeBSD.org> | 2005-12-06 06:22:12 +0000 |
|---|---|---|
| committer | davidxu <davidxu@FreeBSD.org> | 2005-12-06 06:22:12 +0000 |
| commit | 34bbe012ae7c4e2b43853c9436502ce7ac2bb33e (patch) | |
| tree | 5e1651d299c19d8be080baf6a22eb964eb58b2a4 /sys/kern/uipc_mqueue.c | |
| parent | 8b2fcc7e4b2946cc3aac41be8cbfde966006785f (diff) | |
| download | FreeBSD-src-34bbe012ae7c4e2b43853c9436502ce7ac2bb33e.zip FreeBSD-src-34bbe012ae7c4e2b43853c9436502ce7ac2bb33e.tar.gz | |
o Turn on MPSAFE flag for mqueuefs.
o Reuse si_mqd field in siginfo_t, this also gives userland
information about which descriptor is notified.
Diffstat (limited to 'sys/kern/uipc_mqueue.c')
| -rw-r--r-- | sys/kern/uipc_mqueue.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/sys/kern/uipc_mqueue.c b/sys/kern/uipc_mqueue.c index eb07a35..adb5bb5 100644 --- a/sys/kern/uipc_mqueue.c +++ b/sys/kern/uipc_mqueue.c @@ -154,7 +154,6 @@ struct mqueue_notifier { struct sigevent nt_sigev; ksiginfo_t nt_ksi; struct proc *nt_proc; - int nt_fd; }; struct mqueue { @@ -548,7 +547,7 @@ mqfs_mount(struct mount *mp, struct thread *td) mp->mnt_data = &mqfs_data; mp->mnt_flag |= MNT_LOCAL; - /* mp->mnt_kern_flag |= MNTK_MPSAFE; */ + mp->mnt_kern_flag |= MNTK_MPSAFE; vfs_getnewfsid(mp); sbp = &mp->mnt_stat; @@ -1840,7 +1839,7 @@ notifier_search(struct proc *p, int fd) struct mqueue_notifier *nt; LIST_FOREACH(nt, &p->p_mqnotifier, nt_link) { - if (nt->nt_fd == fd) + if (nt->nt_ksi.ksi_mqd == fd) break; } return (nt); @@ -2218,7 +2217,7 @@ again: nt->nt_ksi.ksi_flags |= KSI_INS | KSI_EXT; nt->nt_ksi.ksi_code = SI_MESGQ; nt->nt_proc = p; - nt->nt_fd = uap->mqd; + nt->nt_ksi.ksi_mqd = uap->mqd; notifier_insert(p, nt); } nt->nt_sigev = ev; |
