1 #ifndef foocoreutilhfoo
2 #define foocoreutilhfoo
5 This file is part of PulseAudio.
7 Copyright 2004-2006 Lennart Poettering
8 Copyright 2006-2007 Pierre Ossman <ossman@cendio.se> for Cendio AB
10 PulseAudio is free software; you can redistribute it and/or modify
11 it under the terms of the GNU Lesser General Public License as
12 published by the Free Software Foundation; either version 2.1 of the
13 License, or (at your option) any later version.
15 PulseAudio is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public
21 License along with PulseAudio; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #include <sys/types.h>
32 #ifdef HAVE_SYS_RESOURCE_H
33 #include <sys/resource.h>
36 #include <pulse/gccmacro.h>
37 #include <pulsecore/macro.h>
40 #error "Please include config.h before including this file!"
45 /* These resource limits are pretty new on Linux, let's define them
46 * here manually, in case the kernel is newer than the glibc */
47 #if !defined(RLIMIT_NICE) && defined(__linux__)
48 #define RLIMIT_NICE 13
50 #if !defined(RLIMIT_RTPRIO) && defined(__linux__)
51 #define RLIMIT_RTPRIO 14
53 #if !defined(RLIMIT_RTTIME) && defined(__linux__)
54 #define RLIMIT_RTTIME 15
57 void pa_make_fd_nonblock(int fd);
58 void pa_make_fd_cloexec(int fd);
60 int pa_make_secure_dir(const char* dir, mode_t m, uid_t uid, gid_t gid);
61 int pa_make_secure_parent_dir(const char *fn, mode_t, uid_t uid, gid_t gid);
63 ssize_t pa_read(int fd, void *buf, size_t count, int *type);
64 ssize_t pa_write(int fd, const void *buf, size_t count, int *type);
65 ssize_t pa_loop_read(int fd, void*data, size_t size, int *type);
66 ssize_t pa_loop_write(int fd, const void*data, size_t size, int *type);
70 void pa_check_signal_is_blocked(int sig);
72 char *pa_sprintf_malloc(const char *format, ...) PA_GCC_PRINTF_ATTR(1,2);
73 char *pa_vsprintf_malloc(const char *format, va_list ap);
75 char *pa_strlcpy(char *b, const char *s, size_t l);
77 char *pa_parent_dir(const char *fn);
79 int pa_make_realtime(int rtprio);
80 int pa_raise_priority(int nice_level);
81 void pa_reset_priority(void);
83 int pa_parse_boolean(const char *s) PA_GCC_PURE;
85 static inline const char *pa_yes_no(pa_bool_t b) {
86 return b ? "yes" : "no";
89 static inline const char *pa_strnull(const char *x) {
90 return x ? x : "(null)";
93 static inline const char *pa_strempty(const char *x) {
97 static inline const char *pa_strna(const char *x) {
101 char *pa_split(const char *c, const char*delimiters, const char **state);
102 char *pa_split_spaces(const char *c, const char **state);
104 char *pa_strip_nl(char *s);
106 const char *pa_sig2str(int sig) PA_GCC_PURE;
108 int pa_own_uid_in_group(const char *name, gid_t *gid);
109 int pa_uid_in_group(uid_t uid, const char *name);
110 gid_t pa_get_gid_of_group(const char *name);
111 int pa_check_in_group(gid_t g);
113 int pa_lock_fd(int fd, int b);
115 int pa_lock_lockfile(const char *fn);
116 int pa_unlock_lockfile(const char *fn, int fd);
118 char *pa_hexstr(const uint8_t* d, size_t dlength, char *s, size_t slength);
119 size_t pa_parsehex(const char *p, uint8_t *d, size_t dlength);
121 pa_bool_t pa_startswith(const char *s, const char *pfx) PA_GCC_PURE;
122 pa_bool_t pa_endswith(const char *s, const char *sfx) PA_GCC_PURE;
124 FILE *pa_open_config_file(const char *global, const char *local, const char *env, char **result);
125 char* pa_find_config_file(const char *global, const char *local, const char *env);
127 char *pa_get_runtime_dir(void);
128 char *pa_get_state_dir(void);
129 char *pa_get_home_dir_malloc(void);
130 char *pa_get_binary_name_malloc(void);
131 char *pa_runtime_path(const char *fn);
132 char *pa_state_path(const char *fn, pa_bool_t prepend_machine_id);
134 int pa_atoi(const char *s, int32_t *ret_i);
135 int pa_atou(const char *s, uint32_t *ret_u);
136 int pa_atod(const char *s, double *ret_d);
138 size_t pa_snprintf(char *str, size_t size, const char *format, ...);
139 size_t pa_vsnprintf(char *str, size_t size, const char *format, va_list ap);
141 char *pa_truncate_utf8(char *c, size_t l);
143 int pa_match(const char *expr, const char *v);
145 char *pa_getcwd(void);
146 char *pa_make_path_absolute(const char *p);
147 pa_bool_t pa_is_path_absolute(const char *p);
149 void *pa_will_need(const void *p, size_t l);
151 static inline int pa_is_power_of_two(unsigned n) {
152 return !(n & (n - 1));
155 static inline unsigned pa_ulog2(unsigned n) {
160 #if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
161 return 8U * (unsigned) sizeof(unsigned) - (unsigned) __builtin_clz(n) - 1;
178 static inline unsigned pa_make_power_of_two(unsigned n) {
180 if (pa_is_power_of_two(n))
183 return 1U << (pa_ulog2(n) + 1);
186 void pa_close_pipe(int fds[2]);
188 char *pa_readlink(const char *p);
190 int pa_close_all(int except_fd, ...);
191 int pa_close_allv(const int except_fds[]);
192 int pa_unblock_sigs(int except, ...);
193 int pa_unblock_sigsv(const int except[]);
194 int pa_reset_sigs(int except, ...);
195 int pa_reset_sigsv(const int except[]);
197 void pa_set_env(const char *key, const char *value);
199 pa_bool_t pa_in_system_mode(void);
201 #define pa_streq(a,b) (!strcmp((a),(b)))
203 char *pa_get_host_name_malloc(void);
204 char *pa_get_user_name_malloc(void);
206 char *pa_machine_id(void);
207 char *pa_session_id(void);
208 char *pa_uname_string(void);
210 #ifdef HAVE_VALGRIND_MEMCHECK_H
211 pa_bool_t pa_in_valgrind(void);
213 static inline pa_bool_t pa_in_valgrind(void) {
218 unsigned pa_gcd(unsigned a, unsigned b);
219 void pa_reduce(unsigned *num, unsigned *den);
221 unsigned pa_ncpus(void);
223 char *pa_replace(const char*s, const char*a, const char *b);
225 char *pa_unescape(char *p);
227 char *pa_realpath(const char *path);
229 void pa_disable_sigpipe(void);
231 void pa_xfreev(void**a);
233 static inline void pa_xstrfreev(char **a) {
234 pa_xfreev((void**) a);
237 char **pa_split_spaces_strv(const char *s);
239 char* pa_maybe_prefix_path(const char *path, const char *prefix);
241 /* Returns size of the specified pipe or 4096 on failure */
242 size_t pa_pipe_buf(int fd);
244 void pa_reset_personality(void);
246 #if defined(__linux__) && !defined(__OPTIMIZE__)
247 pa_bool_t pa_run_from_build_tree(void);