63 int nsinfo__init(struct nsinfo *nsi)  in nsinfo__init()  argument
78 	if (asprintf(&newns, "/proc/%d/ns/mnt", nsi->pid) == -1)  in nsinfo__init()
91 		nsi->need_setns = true;  in nsinfo__init()
92 		nsi->mntns_path = newns;  in nsinfo__init()
99 	if (snprintf(spath, PATH_MAX, "/proc/%d/status", nsi->pid) >= PATH_MAX)  in nsinfo__init()
109 			nsi->tgid = (pid_t)strtol(strrchr(statln, '\t'),  in nsinfo__init()
111 			nsi->nstgid = nsi->tgid;  in nsinfo__init()
115 			nsi->nstgid = (pid_t)strtol(strrchr(statln, '\t'),  in nsinfo__init()
132 	struct nsinfo *nsi;  in nsinfo__new()  local
137 	nsi = calloc(1, sizeof(*nsi));  in nsinfo__new()
138 	if (nsi != NULL) {  in nsinfo__new()
139 		nsi->pid = pid;  in nsinfo__new()
140 		nsi->tgid = pid;  in nsinfo__new()
141 		nsi->nstgid = pid;  in nsinfo__new()
142 		nsi->need_setns = false;  in nsinfo__new()
147 		if (nsinfo__init(nsi) == -1)  in nsinfo__new()
148 			nsi->need_setns = false;  in nsinfo__new()
150 		refcount_set(&nsi->refcnt, 1);  in nsinfo__new()
153 	return nsi;  in nsinfo__new()
156 struct nsinfo *nsinfo__copy(struct nsinfo *nsi)  in nsinfo__copy()  argument
160 	if (nsi == NULL)  in nsinfo__copy()
165 		nnsi->pid = nsi->pid;  in nsinfo__copy()
166 		nnsi->tgid = nsi->tgid;  in nsinfo__copy()
167 		nnsi->nstgid = nsi->nstgid;  in nsinfo__copy()
168 		nnsi->need_setns = nsi->need_setns;  in nsinfo__copy()
169 		if (nsi->mntns_path) {  in nsinfo__copy()
170 			nnsi->mntns_path = strdup(nsi->mntns_path);  in nsinfo__copy()
182 void nsinfo__delete(struct nsinfo *nsi)  in nsinfo__delete()  argument
184 	zfree(&nsi->mntns_path);  in nsinfo__delete()
185 	free(nsi);  in nsinfo__delete()
188 struct nsinfo *nsinfo__get(struct nsinfo *nsi)  in nsinfo__get()  argument
190 	if (nsi)  in nsinfo__get()
191 		refcount_inc(&nsi->refcnt);  in nsinfo__get()
192 	return nsi;  in nsinfo__get()
195 void nsinfo__put(struct nsinfo *nsi)  in nsinfo__put()  argument
197 	if (nsi && refcount_dec_and_test(&nsi->refcnt))  in nsinfo__put()
198 		nsinfo__delete(nsi);  in nsinfo__put()
201 void nsinfo__mountns_enter(struct nsinfo *nsi,  in nsinfo__mountns_enter()  argument
215 	if (!nsi || !nsi->need_setns)  in nsinfo__mountns_enter()
229 	newns = open(nsi->mntns_path, O_RDONLY);  in nsinfo__mountns_enter()
272 char *nsinfo__realpath(const char *path, struct nsinfo *nsi)  in nsinfo__realpath()  argument
277 	nsinfo__mountns_enter(nsi, &nsc);  in nsinfo__realpath()