diff options
| author | jhb <jhb@FreeBSD.org> | 2001-03-28 11:52:56 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2001-03-28 11:52:56 +0000 |
| commit | 79cf991a6bd845fad54bd6a15892cb5aaf74b223 (patch) | |
| tree | 1cee6a483c3c79f058207ee2c66c63c38f2ad20a /sys/kern/kern_ktrace.c | |
| parent | 673f3af133009642ca79479ec4db4a25a4ea86d6 (diff) | |
| download | FreeBSD-src-79cf991a6bd845fad54bd6a15892cb5aaf74b223.zip FreeBSD-src-79cf991a6bd845fad54bd6a15892cb5aaf74b223.tar.gz | |
Convert the allproc and proctree locks from lockmgr locks to sx locks.
Diffstat (limited to 'sys/kern/kern_ktrace.c')
| -rw-r--r-- | sys/kern/kern_ktrace.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/sys/kern/kern_ktrace.c b/sys/kern/kern_ktrace.c index 149bc4c..93a2443 100644 --- a/sys/kern/kern_ktrace.c +++ b/sys/kern/kern_ktrace.c @@ -47,6 +47,7 @@ #include <sys/vnode.h> #include <sys/ktrace.h> #include <sys/malloc.h> +#include <sys/sx.h> #include <sys/syslog.h> #include <sys/jail.h> @@ -279,7 +280,7 @@ ktrace(curp, uap) * Clear all uses of the tracefile */ if (ops == KTROP_CLEARFILE) { - ALLPROC_LOCK(AP_SHARED); + sx_slock(&allproc_lock); LIST_FOREACH(p, &allproc, p_list) { if (p->p_tracep == vp) { if (ktrcanset(curp, p)) { @@ -291,7 +292,7 @@ ktrace(curp, uap) error = EPERM; } } - ALLPROC_LOCK(AP_RELEASE); + sx_sunlock(&allproc_lock); goto done; } /* @@ -428,7 +429,7 @@ ktrsetchildren(curp, top, ops, facs, vp) register int ret = 0; p = top; - PROCTREE_LOCK(PT_SHARED); + sx_slock(&proctree_lock); for (;;) { ret |= ktrops(curp, p, ops, facs, vp); /* @@ -440,7 +441,7 @@ ktrsetchildren(curp, top, ops, facs, vp) p = LIST_FIRST(&p->p_children); else for (;;) { if (p == top) { - PROCTREE_LOCK(PT_RELEASE); + sx_sunlock(&proctree_lock); return (ret); } if (LIST_NEXT(p, p_sibling)) { @@ -501,7 +502,7 @@ ktrwrite(vp, kth, uio) */ log(LOG_NOTICE, "ktrace write failed, errno %d, tracing stopped\n", error); - ALLPROC_LOCK(AP_SHARED); + sx_slock(&allproc_lock); LIST_FOREACH(p, &allproc, p_list) { if (p->p_tracep == vp) { p->p_tracep = NULL; @@ -509,7 +510,7 @@ ktrwrite(vp, kth, uio) vrele(vp); } } - ALLPROC_LOCK(AP_RELEASE); + sx_sunlock(&allproc_lock); } /* |
