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| author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-09 02:55:57 -0400 |
|---|---|---|
| committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-09 02:55:57 -0400 |
| commit | f96805e2322e061e088bb5725f8e1ee6006167f8 (patch) | |
| tree | 888f20f86c77769e179ef5ba592cdcb4ed15910c /src/basic/user-util.h | |
| parent | acd190019d99fe25abf4515ca1834eb277161833 (diff) | |
| parent | f6e7ffdf3fe8e3ed5e659f747946461350ade5a8 (diff) | |
Merge branch 'parabola' into lukeshu/premove
# Conflicts:
# Makefile.am
Diffstat (limited to 'src/basic/user-util.h')
| -rw-r--r-- | src/basic/user-util.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/basic/user-util.h b/src/basic/user-util.h index c23f1d485d..8026eca3f4 100644 --- a/src/basic/user-util.h +++ b/src/basic/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; +} |