#ifndef foocoreutilhfoo #define foocoreutilhfoo /*** This file is part of PulseAudio. Copyright 2004-2006 Lennart Poettering Copyright 2006-2007 Pierre Ossman for Cendio AB PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. PulseAudio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. ***/ #include #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); int pa_make_secure_dir(const char* dir, mode_t m, uid_t uid, gid_t gid); int pa_make_secure_parent_dir(const char *fn, mode_t, uid_t uid, gid_t gid); ssize_t pa_read(int fd, void *buf, size_t count, int *type); ssize_t pa_write(int fd, const void *buf, size_t count, int *type); ssize_t pa_loop_read(int fd, void*data, size_t size, int *type); ssize_t pa_loop_write(int fd, const void*data, size_t size, int *type); int pa_close(int fd); void pa_check_signal_is_blocked(int sig); char *pa_sprintf_malloc(const char *format, ...) PA_GCC_PRINTF_ATTR(1,2); char *pa_vsprintf_malloc(const char *format, va_list ap); char *pa_strlcpy(char *b, const char *s, size_t l); char *pa_parent_dir(const char *fn); 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) { return b ? "yes" : "no"; } 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 : ""; } char *pa_split(const char *c, const char*delimiters, const char **state); char *pa_split_spaces(const char *c, const char **state); char *pa_strip_nl(char *s); const char *pa_sig2str(int sig) PA_GCC_PURE; int pa_own_uid_in_group(const char *name, gid_t *gid); int pa_uid_in_group(uid_t uid, const char *name); gid_t pa_get_gid_of_group(const char *name); int pa_check_in_group(gid_t g); int pa_lock_fd(int fd, int b); int pa_lock_lockfile(const char *fn); int pa_unlock_lockfile(const char *fn, int fd); 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); 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_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_atod(const char *s, double *ret_d); 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); 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); 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) { if (pa_is_power_of_two(n)) return n; return 1U << (pa_ulog2(n) + 1); } void pa_close_pipe(int fds[2]); char *pa_readlink(const char *p); 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); #endif