d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Teach procstat_get_shm_info_kvm() how to fetch the pathname of a SHM file

Browse Source 
descriptor from a core and set it in fts->fs_path.

MFC after:	1 week
This commit is contained in:
John Baldwin 2012-06-07 15:54:52 +00:00
parent de27bf3220
commit a9f5e42532
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=236717
1 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
lib/libprocstat/libprocstat.c
View File

@ -881,6 +881,8 @@ procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
{
struct shmfd shmfd;
void *shmfdp;
char *path;
int i;
assert(kd);
assert(shm);
@ -896,6 +898,21 @@ procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst,
}
shm->mode = S_IFREG | shmfd.shm_mode;
shm->size = shmfd.shm_size;
if (fst->fs_path == NULL && shmfd.shm_path != NULL) {
path = malloc(MAXPATHLEN);
for (i = 0; i < MAXPATHLEN - 1; i++) {
if (!kvm_read_all(kd, (unsigned long)shmfd.shm_path + i,
path + i, 1))
break;
if (path[i] == '\0')
break;
}
path[i] = '\0';
if (i == 0)
free(path);
else
fst->fs_path = path;
}
return (0);
fail: