Author: rpaulo
Date: Fri Aug 1 23:29:04 2014
New Revision: 269409
URL: http://svnweb.freebsd.org/changeset/base/269409
Log:
In the shm_open() and shm_unlink() syscalls, export the path to KTR.
MFC after: 1 week
Modified:
head/sys/kern/uipc_shm.c
Modified: head/sys/kern/uipc_shm.c
==============================================================================
--- head/sys/kern/uipc_shm.c Fri Aug 1 23:28:21 2014 (r269408)
+++ head/sys/kern/uipc_shm.c Fri Aug 1 23:29:04 2014 (r269409)
@@ -45,6 +45,7 @@
__FBSDID("$FreeBSD$");
#include "opt_capsicum.h"
+#include "opt_ktrace.h"
#include <sys/param.h>
#include <sys/capsicum.h>
@@ -53,6 +54,9 @@ __FBSDID("$FreeBSD$");
#include <sys/filedesc.h>
#include <sys/fnv_hash.h>
#include <sys/kernel.h>
+#include <sys/uio.h>
+#include <sys/signal.h>
+#include <sys/ktrace.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mman.h>
@@ -727,7 +731,10 @@ sys_shm_open(struct thread *td, struct s
} else {
path = malloc(MAXPATHLEN, M_SHMFD, M_WAITOK);
error = copyinstr(uap->path, path, MAXPATHLEN, NULL);
-
+#ifdef KTRACE
+ if (error == 0 && KTRPOINT(curthread, KTR_NAMEI))
+ ktrnamei(path);
+#endif
/* Require paths to start with a '/' character. */
if (error == 0 && path[0] != '/')
error = EINVAL;
@@ -825,7 +832,10 @@ sys_shm_unlink(struct thread *td, struct
free(path, M_TEMP);
return (error);
}
-
+#ifdef KTRACE
+ if (KTRPOINT(curthread, KTR_NAMEI))
+ ktrnamei(path);
+#endif
fnv = fnv_32_str(path, FNV1_32_INIT);
sx_xlock(&shm_dict_lock);
error = shm_remove(path, fnv, td->td_ucred);
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