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| author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-12 08:43:34 -0400 |
|---|---|---|
| committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-12 08:43:34 -0400 |
| commit | 670b77ddfab0f4eddbe539964aba83d446d48129 (patch) | |
| tree | 5b159fe9bd52169e05cdc60db5a48a5c5ac9602a /src/libbasic/user-util.h | |
| parent | 23708daf3ba69ba9880102b4f720a3842883332e (diff) | |
| parent | 34dbdee3b2f122d2ef903a368b172e75f962b66a (diff) | |
Merge branch 'lukeshu/postmove' into 'lukeshu/master'
Diffstat (limited to 'src/libbasic/user-util.h')
| -rw-r--r-- | src/libbasic/user-util.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libbasic/user-util.h b/src/libbasic/user-util.h index c23f1d485d..8026eca3f4 100644 --- a/src/libbasic/user-util.h +++ b/src/libbasic/user-util.h @@ -21,6 +21,7 @@ #include <stdbool.h> #include <sys/types.h> +#include <unistd.h> bool uid_is_valid(uid_t uid); @@ -63,3 +64,7 @@ int take_etc_passwd_lock(const char *root); #define PTR_TO_GID(p) ((gid_t) (((uintptr_t) (p))-1)) #define GID_TO_PTR(u) ((void*) (((uintptr_t) (u))+1)) + +static inline bool userns_supported(void) { + return access("/proc/self/uid_map", F_OK) >= 0; +} |