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>
31 #ifdef HAVE_SYS_RESOURCE_H
32 #include <sys/resource.h>
35 #include <pulse/gccmacro.h>
36 #include <pulsecore/macro.h>
40 /* These resource limits are pretty new on Linux, let's define them
41 * here manually, in case the kernel is newer than the glibc */
42 #if !defined(RLIMIT_NICE) && defined(__linux__)
43 #define RLIMIT_NICE 13
45 #if !defined(RLIMIT_RTPRIO) && defined(__linux__)
46 #define RLIMIT_RTPRIO 14
48 #if !defined(RLIMIT_RTTIME) && defined(__linux__)
49 #define RLIMIT_RTTIME 15
52 void pa_make_fd_nonblock(int fd
);
53 void pa_make_fd_cloexec(int fd
);
55 int pa_make_secure_dir(const char* dir
, mode_t m
, uid_t uid
, gid_t gid
);
56 int pa_make_secure_parent_dir(const char *fn
, mode_t
, uid_t uid
, gid_t gid
);
58 ssize_t
pa_read(int fd
, void *buf
, size_t count
, int *type
);
59 ssize_t
pa_write(int fd
, const void *buf
, size_t count
, int *type
);
60 ssize_t
pa_loop_read(int fd
, void*data
, size_t size
, int *type
);
61 ssize_t
pa_loop_write(int fd
, const void*data
, size_t size
, int *type
);
65 void pa_check_signal_is_blocked(int sig
);
67 char *pa_sprintf_malloc(const char *format
, ...) PA_GCC_PRINTF_ATTR(1,2);
68 char *pa_vsprintf_malloc(const char *format
, va_list ap
);
70 char *pa_strlcpy(char *b
, const char *s
, size_t l
);
72 char *pa_parent_dir(const char *fn
);
74 int pa_make_realtime(int rtprio
);
75 int pa_raise_priority(int nice_level
);
76 void pa_reset_priority(void);
78 pa_bool_t
pa_can_realtime(void);
79 pa_bool_t
pa_can_high_priority(void);
81 int pa_parse_boolean(const char *s
) PA_GCC_PURE
;
83 static inline const char *pa_yes_no(pa_bool_t b
) {
84 return b
? "yes" : "no";
87 static inline const char *pa_strnull(const char *x
) {
88 return x
? x
: "(null)";
91 static inline const char *pa_strempty(const char *x
) {
95 char *pa_split(const char *c
, const char*delimiters
, const char **state
);
96 char *pa_split_spaces(const char *c
, const char **state
);
98 char *pa_strip_nl(char *s
);
100 const char *pa_sig2str(int sig
) PA_GCC_PURE
;
102 int pa_own_uid_in_group(const char *name
, gid_t
*gid
);
103 int pa_uid_in_group(uid_t uid
, const char *name
);
104 gid_t
pa_get_gid_of_group(const char *name
);
105 int pa_check_in_group(gid_t g
);
107 int pa_lock_fd(int fd
, int b
);
109 int pa_lock_lockfile(const char *fn
);
110 int pa_unlock_lockfile(const char *fn
, int fd
);
112 char *pa_hexstr(const uint8_t* d
, size_t dlength
, char *s
, size_t slength
);
113 size_t pa_parsehex(const char *p
, uint8_t *d
, size_t dlength
);
115 pa_bool_t
pa_startswith(const char *s
, const char *pfx
) PA_GCC_PURE
;
116 pa_bool_t
pa_endswith(const char *s
, const char *sfx
) PA_GCC_PURE
;
118 FILE *pa_open_config_file(const char *global
, const char *local
, const char *env
, char **result
);
119 char* pa_find_config_file(const char *global
, const char *local
, const char *env
);
121 char *pa_get_runtime_dir(void);
122 char *pa_get_state_dir(void);
123 char *pa_runtime_path(const char *fn
);
124 char *pa_state_path(const char *fn
, pa_bool_t prepend_machine_id
);
126 int pa_atoi(const char *s
, int32_t *ret_i
);
127 int pa_atou(const char *s
, uint32_t *ret_u
);
128 int pa_atod(const char *s
, double *ret_d
);
130 size_t pa_snprintf(char *str
, size_t size
, const char *format
, ...);
131 size_t pa_vsnprintf(char *str
, size_t size
, const char *format
, va_list ap
);
133 char *pa_truncate_utf8(char *c
, size_t l
);
135 char *pa_getcwd(void);
136 char *pa_make_path_absolute(const char *p
);
137 pa_bool_t
pa_is_path_absolute(const char *p
);
139 void *pa_will_need(const void *p
, size_t l
);
141 static inline int pa_is_power_of_two(unsigned n
) {
142 return !(n
& (n
- 1));
145 static inline unsigned pa_ulog2(unsigned n
) {
150 #if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
151 return 8U * (unsigned) sizeof(unsigned) - (unsigned) __builtin_clz(n
) - 1;
168 static inline unsigned pa_make_power_of_two(unsigned n
) {
170 if (pa_is_power_of_two(n
))
173 return 1U << (pa_ulog2(n
) + 1);
176 void pa_close_pipe(int fds
[2]);
178 char *pa_readlink(const char *p
);
180 int pa_close_all(int except_fd
, ...);
181 int pa_close_allv(const int except_fds
[]);
182 int pa_unblock_sigs(int except
, ...);
183 int pa_unblock_sigsv(const int except
[]);
184 int pa_reset_sigs(int except
, ...);
185 int pa_reset_sigsv(const int except
[]);
187 void pa_set_env(const char *key
, const char *value
);
189 pa_bool_t
pa_in_system_mode(void);
191 #define pa_streq(a,b) (!strcmp((a),(b)))
193 char *pa_machine_id(void);