diff options
Diffstat (limited to 'sys/miscfs/procfs/procfs_subr.c')
| -rw-r--r-- | sys/miscfs/procfs/procfs_subr.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/sys/miscfs/procfs/procfs_subr.c b/sys/miscfs/procfs/procfs_subr.c index a1eb3e48039..26484b7584c 100644 --- a/sys/miscfs/procfs/procfs_subr.c +++ b/sys/miscfs/procfs/procfs_subr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: procfs_subr.c,v 1.2 1996/02/27 08:03:37 niklas Exp $ */ +/* $OpenBSD: procfs_subr.c,v 1.3 1996/06/21 12:49:56 mickey Exp $ */ /* $NetBSD: procfs_subr.c,v 1.15 1996/02/12 15:01:42 christos Exp $ */ /* @@ -49,9 +49,15 @@ #include <sys/malloc.h> #include <miscfs/procfs/procfs.h> -static struct pfsnode *pfshead; +static TAILQ_HEAD(, pfsnode) pfshead; static int pfsvplock; +void +procfs_init(void) +{ + TAILQ_INIT(&pfshead); +} + /* * allocate a pfsnode/vnode pair. the vnode is * referenced, but not locked. @@ -91,7 +97,7 @@ procfs_allocvp(mp, vpp, pid, pfs_type) int error; loop: - for (pfs = pfshead; pfs != 0; pfs = pfs->pfs_next) { + for (pfs = pfshead.tqh_first; pfs != NULL; pfs = pfs->list.tqe_next) { vp = PFSTOV(pfs); if (pfs->pfs_pid == pid && pfs->pfs_type == pfs_type && @@ -121,7 +127,6 @@ loop: MALLOC(pfs, void *, sizeof(struct pfsnode), M_TEMP, M_WAITOK); vp->v_data = pfs; - pfs->pfs_next = 0; pfs->pfs_pid = (pid_t) pid; pfs->pfs_type = pfs_type; pfs->pfs_vnode = vp; @@ -178,9 +183,7 @@ loop: } /* add to procfs vnode list */ - for (pp = &pfshead; *pp; pp = &(*pp)->pfs_next) - continue; - *pp = pfs; + TAILQ_INSERT_TAIL(&pfshead, pfs, list); out: pfsvplock &= ~PROCFS_LOCKED; @@ -200,13 +203,7 @@ procfs_freevp(vp) struct pfsnode **pfspp; struct pfsnode *pfs = VTOPFS(vp); - for (pfspp = &pfshead; *pfspp != 0; pfspp = &(*pfspp)->pfs_next) { - if (*pfspp == pfs) { - *pfspp = pfs->pfs_next; - break; - } - } - + TAILQ_REMOVE(&pfshead, pfs, list); FREE(vp->v_data, M_TEMP); vp->v_data = 0; return (0); |