X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Futil.h;h=338d79c7ac5822be36c0c1b312df422b1aeef1c6;hp=6fc77808d498e35b1a33783eb1b9fd082cded9fe;hb=9bf3b53533cdc9b95c921b71da755401f223f765;hpb=2cfbd749af308bdbe56edcfed7f3eea0fc2b93d2 diff --git a/src/shared/util.h b/src/shared/util.h index 6fc77808d..338d79c7a 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -44,12 +44,6 @@ #include "macro.h" #include "time-util.h" -union dirent_storage { - struct dirent de; - uint8_t storage[offsetof(struct dirent, d_name) + - ((NAME_MAX + 1 + sizeof(long)) & ~(sizeof(long) - 1))]; -}; - /* What is interpreted as whitespace? */ #define WHITESPACE " \t\n\r" #define NEWLINE "\n\r" @@ -64,6 +58,7 @@ union dirent_storage { #define ANSI_GREEN_ON "\x1B[32m" #define ANSI_HIGHLIGHT_GREEN_ON "\x1B[1;32m" #define ANSI_HIGHLIGHT_YELLOW_ON "\x1B[1;33m" +#define ANSI_HIGHLIGHT_BLUE_ON "\x1B[1;34m" #define ANSI_HIGHLIGHT_OFF "\x1B[0m" #define ANSI_ERASE_TO_END_OF_LINE "\x1B[K" @@ -91,6 +86,10 @@ static inline const char* yes_no(bool b) { return b ? "yes" : "no"; } +static inline const char* true_false(bool b) { + return b ? "true" : "false"; +} + static inline const char* strempty(const char *s) { return s ? s : ""; } @@ -250,8 +249,19 @@ int make_stdio(int fd); int make_null_stdio(void); int make_console_stdio(void); -unsigned long long random_ull(void); -unsigned random_u(void); +void random_bytes(void *p, size_t n); + +static inline uint64_t random_u64(void) { + uint64_t u; + random_bytes(&u, sizeof(u)); + return u; +} + +static inline uint32_t random_u32(void) { + uint32_t u; + random_bytes(&u, sizeof(u)); + return u; +} /* For basic lookup tables with strictly enumerated entries */ #define __DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \ @@ -399,6 +409,10 @@ static inline const char *ansi_highlight_yellow(void) { return on_tty() ? ANSI_HIGHLIGHT_YELLOW_ON : ""; } +static inline const char *ansi_highlight_blue(void) { + return on_tty() ? ANSI_HIGHLIGHT_BLUE_ON : ""; +} + static inline const char *ansi_highlight_off(void) { return on_tty() ? ANSI_HIGHLIGHT_OFF : ""; } @@ -417,7 +431,7 @@ char *normalize_env_assignment(const char *s); int wait_for_terminate(pid_t pid, siginfo_t *status); int wait_for_terminate_and_warn(const char *name, pid_t pid); -_noreturn_ void freeze(void); +noreturn void freeze(void); bool null_or_empty(struct stat *st) _pure_; int null_or_empty_path(const char *fn); @@ -793,5 +807,7 @@ int proc_cmdline(char **ret); int container_get_leader(const char *machine, pid_t *pid); -int namespace_open(pid_t pid, int *namespace_fd, int *root_fd); -int namespace_enter(int namespace_fd, int root_fd); +int namespace_open(pid_t pid, int *pidns_fd, int *mntns_fd, int *root_fd); +int namespace_enter(int pidns_fd, int mntns_fd, int root_fd); + +bool pid_valid(pid_t pid);