X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/cdb273de904a0a66fee2c0dc0c164455f8c035ac..4a40aed9c0aa0d07450bb3334a435064466e94df:/src/pulsecore/core-util.h diff --git a/src/pulsecore/core-util.h b/src/pulsecore/core-util.h index d5c0a3f6..0ba33f31 100644 --- a/src/pulsecore/core-util.h +++ b/src/pulsecore/core-util.h @@ -1,8 +1,6 @@ #ifndef foocoreutilhfoo #define foocoreutilhfoo -/* $Id$ */ - /*** This file is part of PulseAudio. @@ -29,12 +27,33 @@ #include #include #include +#include + +#ifdef HAVE_SYS_RESOURCE_H +#include +#endif #include #include +#ifndef PACKAGE +#error "Please include config.h before including this file!" +#endif + struct timeval; +/* These resource limits are pretty new on Linux, let's define them + * here manually, in case the kernel is newer than the glibc */ +#if !defined(RLIMIT_NICE) && defined(__linux__) +#define RLIMIT_NICE 13 +#endif +#if !defined(RLIMIT_RTPRIO) && defined(__linux__) +#define RLIMIT_RTPRIO 14 +#endif +#if !defined(RLIMIT_RTTIME) && defined(__linux__) +#define RLIMIT_RTTIME 15 +#endif + void pa_make_fd_nonblock(int fd); void pa_make_fd_cloexec(int fd); @@ -61,6 +80,9 @@ int pa_make_realtime(int rtprio); int pa_raise_priority(int nice_level); void pa_reset_priority(void); +pa_bool_t pa_can_realtime(void); +pa_bool_t pa_can_high_priority(void); + int pa_parse_boolean(const char *s) PA_GCC_PURE; static inline const char *pa_yes_no(pa_bool_t b) { @@ -71,6 +93,14 @@ static inline const char *pa_strnull(const char *x) { return x ? x : "(null)"; } +static inline const char *pa_strempty(const char *x) { + return x ? x : ""; +} + +static inline const char *pa_strna(const char *x) { + return x ? x : "n/a"; +} + char *pa_split(const char *c, const char*delimiters, const char **state); char *pa_split_spaces(const char *c, const char **state); @@ -88,26 +118,34 @@ int pa_lock_fd(int fd, int b); int pa_lock_lockfile(const char *fn); int pa_unlock_lockfile(const char *fn, int fd); -FILE *pa_open_config_file(const char *global, const char *local, const char *env, char **result, const char *mode); - char *pa_hexstr(const uint8_t* d, size_t dlength, char *s, size_t slength); size_t pa_parsehex(const char *p, uint8_t *d, size_t dlength); -int pa_startswith(const char *s, const char *pfx) PA_GCC_PURE; -int pa_endswith(const char *s, const char *sfx) PA_GCC_PURE; +pa_bool_t pa_startswith(const char *s, const char *pfx) PA_GCC_PURE; +pa_bool_t pa_endswith(const char *s, const char *sfx) PA_GCC_PURE; + +FILE *pa_open_config_file(const char *global, const char *local, const char *env, char **result); +char* pa_find_config_file(const char *global, const char *local, const char *env); -char *pa_runtime_path(const char *fn, char *s, size_t l); +char *pa_get_runtime_dir(void); +char *pa_get_state_dir(void); +char *pa_runtime_path(const char *fn); +char *pa_state_path(const char *fn, pa_bool_t prepend_machine_id); int pa_atoi(const char *s, int32_t *ret_i); int pa_atou(const char *s, uint32_t *ret_u); -int pa_atof(const char *s, float *ret_f); +int pa_atod(const char *s, double *ret_d); -int pa_snprintf(char *str, size_t size, const char *format, ...); +size_t pa_snprintf(char *str, size_t size, const char *format, ...); +size_t pa_vsnprintf(char *str, size_t size, const char *format, va_list ap); char *pa_truncate_utf8(char *c, size_t l); +int pa_match(const char *expr, const char *v); + char *pa_getcwd(void); char *pa_make_path_absolute(const char *p); +pa_bool_t pa_is_path_absolute(const char *p); void *pa_will_need(const void *p, size_t l); @@ -115,24 +153,74 @@ static inline int pa_is_power_of_two(unsigned n) { return !(n & (n - 1)); } +static inline unsigned pa_ulog2(unsigned n) { + + if (n <= 1) + return 0; + +#if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) + return 8U * (unsigned) sizeof(unsigned) - (unsigned) __builtin_clz(n) - 1; +#else +{ + unsigned r = 0; + + for (;;) { + n = n >> 1; + + if (!n) + return r; + + r++; + } +} +#endif +} + static inline unsigned pa_make_power_of_two(unsigned n) { - unsigned j = n; if (pa_is_power_of_two(n)) return n; - while (j) { - j = j >> 1; - n = n | j; - } - - return n + 1; + return 1U << (pa_ulog2(n) + 1); } void pa_close_pipe(int fds[2]); char *pa_readlink(const char *p); -char *pa_get_state_dir(void); +int pa_close_all(int except_fd, ...); +int pa_close_allv(const int except_fds[]); +int pa_unblock_sigs(int except, ...); +int pa_unblock_sigsv(const int except[]); +int pa_reset_sigs(int except, ...); +int pa_reset_sigsv(const int except[]); + +void pa_set_env(const char *key, const char *value); + +pa_bool_t pa_in_system_mode(void); + +#define pa_streq(a,b) (!strcmp((a),(b))) + +char *pa_machine_id(void); +char *pa_uname_string(void); + +#ifdef HAVE_VALGRIND_MEMCHECK_H +pa_bool_t pa_in_valgrind(void); +#else +static inline pa_bool_t pa_in_valgrind(void) { + return FALSE; +} +#endif + +unsigned pa_gcd(unsigned a, unsigned b); +void pa_reduce(unsigned *num, unsigned *den); + +unsigned pa_ncpus(void); + +char *pa_replace(const char*s, const char*a, const char *b); + +char *pa_unescape(char *p); + +char *pa_realpath(const char *path); #endif