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| author | jhb <jhb@FreeBSD.org> | 2012-06-07 15:54:52 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2012-06-07 15:54:52 +0000 |
| commit | 23d902a9298256011b82b3ba1c843253a7c1a60f (patch) | |
| tree | 579f020d5b0193f432c0cdd24a17a88c5c9deb45 /lib/libprocstat | |
| parent | 13c9a1f2f54a22b66746c1773317681d607259fe (diff) | |
| download | FreeBSD-src-23d902a9298256011b82b3ba1c843253a7c1a60f.zip FreeBSD-src-23d902a9298256011b82b3ba1c843253a7c1a60f.tar.gz | |
Teach procstat_get_shm_info_kvm() how to fetch the pathname of a SHM file
descriptor from a core and set it in fts->fs_path.
MFC after: 1 week
Diffstat (limited to 'lib/libprocstat')
| -rw-r--r-- | lib/libprocstat/libprocstat.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/libprocstat/libprocstat.c b/lib/libprocstat/libprocstat.c index 167d91a..56562e1 100644 --- a/lib/libprocstat/libprocstat.c +++ b/lib/libprocstat/libprocstat.c @@ -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: |
