X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Futil.h;h=e4300719a3b12a83cdb9b2e514572f788a18cb5f;hp=d6d746bc6a506386b7a33f1902f07756a8356d78;hb=1c231f56482546725c4dbd3303f70300bd3c63e9;hpb=2c3d81d4a7e3888632537140aae57940159fb39e diff --git a/src/shared/util.h b/src/shared/util.h index d6d746bc6..e4300719a 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -58,6 +58,14 @@ # error Unknown uid_t size #endif +#if SIZEOF_GID_T == 4 +# define GID_FMT "%" PRIu32 +#elif SIZEOF_GID_T == 2 +# define GID_FMT "%" PRIu16 +#else +# error Unknown gid_t size +#endif + #include "macro.h" #include "time-util.h" @@ -144,8 +152,9 @@ int close_nointr(int fd); void close_nointr_nofail(int fd); void close_many(const int fds[], unsigned n_fd); +int parse_size(const char *t, off_t base, off_t *size); + int parse_boolean(const char *v) _pure_; -int parse_bytes(const char *t, off_t *bytes); int parse_pid(const char *s, pid_t* ret_pid); int parse_uid(const char *s, uid_t* ret_uid); #define parse_gid(s, ret_uid) parse_uid(s, ret_uid) @@ -238,6 +247,7 @@ char *file_in_same_dir(const char *path, const char *filename); int rmdir_parents(const char *path, const char *stop); +int get_process_state(pid_t pid); int get_process_comm(pid_t pid, char **name); int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line); int get_process_exe(pid_t pid, char **name); @@ -272,6 +282,7 @@ int make_stdio(int fd); int make_null_stdio(void); int make_console_stdio(void); +int dev_urandom(void *p, size_t n); void random_bytes(void *p, size_t n); static inline uint64_t random_u64(void) { @@ -407,7 +418,6 @@ cpu_set_t* cpu_set_malloc(unsigned *ncpus); int status_vprintf(const char *status, bool ellipse, bool ephemeral, const char *format, va_list ap) _printf_(4,0); int status_printf(const char *status, bool ellipse, bool ephemeral, const char *format, ...) _printf_(4,5); -int status_welcome(void); int fd_columns(int fd); unsigned columns(void); @@ -721,6 +731,15 @@ void* greedy_realloc0(void **p, size_t *allocated, size_t need); #define GREEDY_REALLOC0(array, allocated, need) \ greedy_realloc0((void**) &(array), &(allocated), sizeof((array)[0]) * (need)) +#define GREEDY_REALLOC0_T(array, count, need) \ + ({ \ + size_t _size = (count) * sizeof((array)[0]); \ + void *_ptr = GREEDY_REALLOC0((array), _size, (need)); \ + if (_ptr) \ + (count) = _size / sizeof((array)[0]); \ + _ptr; \ + }) + static inline void _reset_errno_(int *saved_errno) { errno = *saved_errno; } @@ -742,7 +761,19 @@ static inline void _reset_umask_(struct _umask_struct_ *s) { _saved_umask_.quit = true) static inline unsigned u64log2(uint64_t n) { +#if __SIZEOF_LONG_LONG__ == 8 return (n > 1) ? (unsigned) __builtin_clzll(n) ^ 63U : 0; +#else +#error "Wut?" +#endif +} + +static inline unsigned u32ctz(uint32_t n) { +#if __SIZEOF_INT__ == 4 + return __builtin_ctz(n); +#else +#error "Wut?" +#endif } static inline bool logind_running(void) { @@ -820,7 +851,6 @@ static inline void _reset_locale_(struct _locale_struct_ *s) { _saved_locale_.quit = true) bool id128_is_valid(const char *s) _pure_; -void parse_user_at_host(char *arg, char **user, char **host); int split_pair(const char *s, const char *sep, char **l, char **r); @@ -839,13 +869,27 @@ static inline void qsort_safe(void *base, size_t nmemb, size_t size, } int proc_cmdline(char **ret); +int parse_proc_cmdline(int (*parse_word)(const char *word)); int container_get_leader(const char *machine, pid_t *pid); 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); +bool pid_is_alive(pid_t pid); +bool pid_is_unwaited(pid_t pid); int getpeercred(int fd, struct ucred *ucred); int getpeersec(int fd, char **ret); + +int writev_safe(int fd, const struct iovec *w, int j); + +int mkostemp_safe(char *pattern, int flags); +int open_tmpfile(const char *path, int flags); + +int fd_warn_permissions(const char *path, int fd); + +unsigned long personality_from_string(const char *p); +const char *personality_to_string(unsigned long); + +uint64_t physical_memory(void);