summaryrefslogtreecommitdiffstats
path: root/src/common.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/common.c81
1 files changed, 50 insertions, 31 deletions
diff --git a/src/common.c b/src/common.c
index 42f3d8d15..88fcf85bc 100644
--- a/src/common.c
+++ b/src/common.c
@@ -8,10 +8,21 @@
# define MADV_DONTFORK INHERIT_NONE
#endif /* __FreeBSD__ || __APPLE__*/
-char *global_host_prefix = "";
+char *netdata_configured_hostname = NULL;
+char *netdata_configured_config_dir = NULL;
+char *netdata_configured_log_dir = NULL;
+char *netdata_configured_plugins_dir = NULL;
+char *netdata_configured_web_dir = NULL;
+char *netdata_configured_cache_dir = NULL;
+char *netdata_configured_varlib_dir = NULL;
+char *netdata_configured_home_dir = NULL;
+char *netdata_configured_host_prefix = NULL;
+
int enable_ksm = 1;
volatile sig_atomic_t netdata_exit = 0;
+const char *os_type = NETDATA_OS_TYPE;
+const char *program_version = VERSION;
// ----------------------------------------------------------------------------
// memory allocation functions that handle failures
@@ -903,6 +914,9 @@ char *trim(char *s) {
}
void *mymmap(const char *filename, size_t size, int flags, int ksm) {
+#ifndef MADV_MERGEABLE
+ (void)ksm;
+#endif
static int log_madvise_1 = 1;
#ifdef MADV_MERGEABLE
static int log_madvise_2 = 1, log_madvise_3 = 1;
@@ -1060,17 +1074,6 @@ char *fgets_trim_len(char *buf, size_t buf_size, FILE *fp, size_t *len) {
return s;
}
-char *strncpyz(char *dst, const char *src, size_t n) {
- char *p = dst;
-
- while (*src && n--)
- *dst++ = *src++;
-
- *dst = '\0';
-
- return p;
-}
-
int vsnprintfz(char *dst, size_t n, const char *fmt, va_list args) {
int size = vsnprintf(dst, n, fmt, args);
@@ -1104,7 +1107,17 @@ long get_system_cpus(void) {
#ifdef __APPLE__
int32_t tmp_processors;
- if (unlikely(GETSYSCTL("hw.logicalcpu", tmp_processors))) {
+ if (unlikely(GETSYSCTL_BY_NAME("hw.logicalcpu", tmp_processors))) {
+ error("Assuming system has %d processors.", processors);
+ } else {
+ processors = tmp_processors;
+ }
+
+ return processors;
+ #elif __FreeBSD__
+ int32_t tmp_processors;
+
+ if (unlikely(GETSYSCTL_BY_NAME("hw.ncpu", tmp_processors))) {
error("Assuming system has %d processors.", processors);
} else {
processors = tmp_processors;
@@ -1114,7 +1127,7 @@ long get_system_cpus(void) {
#else
char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/stat", global_host_prefix);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/stat", netdata_configured_host_prefix);
procfile *ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT);
if(!ff) {
@@ -1143,7 +1156,7 @@ long get_system_cpus(void) {
debug(D_SYSTEM, "System has %d processors.", processors);
return processors;
- #endif /* __APPLE__ */
+ #endif /* __APPLE__, __FreeBSD__ */
}
pid_t pid_max = 32768;
@@ -1153,35 +1166,41 @@ pid_t get_system_pid_max(void) {
// we use the number defined in bsd/sys/proc_internal.h in XNU sources
pid_max = 99999;
return pid_max;
+ #elif __FreeBSD__
+ int32_t tmp_pid_max;
+
+ if (unlikely(GETSYSCTL_BY_NAME("kern.pid_max", tmp_pid_max))) {
+ pid_max = 99999;
+ error("Assuming system's maximum pid is %d.", pid_max);
+ } else {
+ pid_max = tmp_pid_max;
+ }
+
+ return pid_max;
#else
+ static char read = 0;
+ if(unlikely(read)) return pid_max;
+ read = 1;
+
char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", global_host_prefix);
- procfile *ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT);
- if(!ff) {
- error("Cannot open file '%s'. Assuming system supports %d pids.", filename, pid_max);
- return pid_max;
- }
+ snprintfz(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", netdata_configured_host_prefix);
- ff = procfile_readall(ff);
- if(!ff) {
- error("Cannot read file '%s'. Assuming system supports %d pids.", filename, pid_max);
+ unsigned long long max = 0;
+ if(read_single_number_file(filename, &max) != 0) {
+ error("Cannot open file '%s'. Assuming system supports %d pids.", filename, pid_max);
return pid_max;
}
- pid_max = (pid_t)str2i(procfile_lineword(ff, 0, 0));
- if(!pid_max) {
- procfile_close(ff);
- pid_max = 32768;
+ if(!max) {
error("Cannot parse file '%s'. Assuming system supports %d pids.", filename, pid_max);
return pid_max;
}
- procfile_close(ff);
- debug(D_SYSTEM, "System supports %d pids.", pid_max);
+ pid_max = (pid_t) max;
return pid_max;
- #endif /* __APPLE__ */
+ #endif /* __APPLE__, __FreeBSD__ */
}
unsigned int hz;