1 #ifndef NETDATA_COMMON_H
2 #define NETDATA_COMMON_H 1
20 #include <arpa/inet.h>
21 #include <netinet/in.h>
22 #include <netinet/tcp.h>
36 #include <sys/prctl.h>
37 #include <sys/resource.h>
38 #include <sys/socket.h>
40 #include <sys/statvfs.h>
41 #include <sys/syscall.h>
43 #include <sys/types.h>
47 #include <uuid/uuid.h>
49 #ifdef STORAGE_WITH_MATH
53 #if defined(HAVE_INTTYPES_H)
55 #elif defined(HAVE_STDINT_H)
59 #ifdef NETDATA_WITH_ZLIB
63 #if (SIZEOF_VOID_P == 8)
65 #elif (SIZEOF_VOID_P == 4)
68 #error "Cannot detect if this is a 32 or 64 bit CPU"
72 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
77 #include "global_statistics.h"
78 #include "storage_number.h"
79 #include "web_buffer.h"
80 #include "web_buffer_svg.h"
85 #include "appconfig.h"
86 #include "dictionary.h"
87 #include "proc_self_mountinfo.h"
88 #include "plugin_checks.h"
89 #include "plugin_idlejitter.h"
90 #include "plugin_nfacct.h"
91 #include "plugin_proc.h"
92 #include "plugin_tc.h"
93 #include "plugins_d.h"
101 #include "web_client.h"
102 #include "web_server.h"
104 #include "registry.h"
107 #include "unit_test.h"
112 #define abs(x) ((x < 0)? -x : x)
114 extern unsigned long long usec_dt(struct timeval *now, struct timeval *old);
115 extern unsigned long long timeval_usec(struct timeval *tv);
117 // #define usec_dt(now, last) (((((now)->tv_sec * 1000000ULL) + (now)->tv_usec) - (((last)->tv_sec * 1000000ULL) + (last)->tv_usec)))
119 extern void netdata_fix_chart_id(char *s);
120 extern void netdata_fix_chart_name(char *s);
122 extern uint32_t simple_hash(const char *name);
123 extern uint32_t simple_uhash(const char *name);
125 extern void strreverse(char* begin, char* end);
126 extern char *mystrsep(char **ptr, char *s);
127 extern char *trim(char *s);
129 extern char *strncpyz(char *dst, const char *src, size_t n);
130 extern int vsnprintfz(char *dst, size_t n, const char *fmt, va_list args);
131 extern int snprintfz(char *dst, size_t n, const char *fmt, ...) __attribute__ (( format (printf, 3, 4)));
133 // memory allocation functions that handle failures
134 #ifdef NETDATA_LOG_ALLOCATIONS
135 #define strdupz(s) strdupz_int(__FILE__, __FUNCTION__, __LINE__, s)
136 #define callocz(nmemb, size) callocz_int(__FILE__, __FUNCTION__, __LINE__, nmemb, size)
137 #define mallocz(size) mallocz_int(__FILE__, __FUNCTION__, __LINE__, size)
138 #define reallocz(ptr, size) reallocz_int(__FILE__, __FUNCTION__, __LINE__, ptr, size)
139 #define freez(ptr) freez_int(__FILE__, __FUNCTION__, __LINE__, ptr)
141 extern char *strdupz_int(const char *file, const char *function, const unsigned long line, const char *s);
142 extern void *callocz_int(const char *file, const char *function, const unsigned long line, size_t nmemb, size_t size);
143 extern void *mallocz_int(const char *file, const char *function, const unsigned long line, size_t size);
144 extern void *reallocz_int(const char *file, const char *function, const unsigned long line, void *ptr, size_t size);
145 extern void freez_int(const char *file, const char *function, const unsigned long line, void *ptr);
147 extern char *strdupz(const char *s);
148 extern void *callocz(size_t nmemb, size_t size);
149 extern void *mallocz(size_t size);
150 extern void *reallocz(void *ptr, size_t size);
151 extern void freez(void *ptr);
154 extern void *mymmap(const char *filename, size_t size, int flags, int ksm);
155 extern int savememory(const char *filename, void *mem, size_t size);
157 extern int fd_is_valid(int fd);
159 extern char *global_host_prefix;
160 extern int enable_ksm;
162 extern pid_t gettid(void);
164 extern unsigned long long time_usec(void);
165 extern int sleep_usec(unsigned long long usec);
167 extern char *fgets_trim_len(char *buf, size_t buf_size, FILE *fp, size_t *len);
169 extern int processors;
170 extern long get_system_cpus(void);
172 extern pid_t pid_max;
173 extern pid_t get_system_pid_max(void);
175 /* Number of ticks per second */
176 extern unsigned int hz;
177 extern void get_system_HZ(void);
180 /* fix for alpine linux */
181 #ifndef RUSAGE_THREAD
182 #ifdef RUSAGE_CHILDREN
183 #define RUSAGE_THREAD RUSAGE_CHILDREN
187 #endif /* NETDATA_COMMON_H */