86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
#ifndef SIGAR_UTIL_H
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#define SIGAR_UTIL_H
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/* most of this is crap for dealing with linux /proc */
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#define UITOA_BUFFER_SIZE \
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(sizeof(int) * 3 + 1)
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#define SSTRLEN(s) \
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(sizeof(s)-1)
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#define sigar_strtoul(ptr) \
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strtoul(ptr, &ptr, 10)
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#define sigar_isspace(c) \
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(isspace(((unsigned char)(c))))
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#define sigar_isdigit(c) \
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(isdigit(((unsigned char)(c))))
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#define sigar_isalpha(c) \
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(isalpha(((unsigned char)(c))))
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#define PROC_FS_ROOT "/proc/"
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char *sigar_uitoa(char *buf, unsigned int n, int *len);
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SIGAR_INLINE char *sigar_skip_line(char *buffer, int buflen);
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SIGAR_INLINE char *sigar_skip_token(char *p);
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SIGAR_INLINE char *sigar_skip_multiple_token(char *p, int count);
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int sigar_file2str(const char *fname, char *buffer, int buflen);
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int sigar_proc_file2str(char *buffer, int buflen,
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sigar_pid_t pid,
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const char *fname,
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int fname_len);
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#define SIGAR_PROC_FILE2STR(buffer, pid, fname) \
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sigar_proc_file2str(buffer, sizeof(buffer), \
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pid, fname, SSTRLEN(fname))
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#define SIGAR_PROC_FILENAME(buffer, pid, fname) \
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sigar_proc_filename(buffer, sizeof(buffer), \
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pid, fname, SSTRLEN(fname))
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#define SIGAR_SKIP_SPACE(ptr) \
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while (sigar_isspace(*ptr)) ++ptr
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char *sigar_proc_filename(char *buffer, int buflen,
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sigar_pid_t pid,
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const char *fname, int fname_len);
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int sigar_proc_list_procfs_get(sigar_t *sigar,
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sigar_proc_list_t *proclist);
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int sigar_proc_fd_count(sigar_t *sigar, sigar_pid_t pid,
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sigar_uint64_t *total);
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/* generic util functions for all platforms */
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int sigar_proc_count(sigar_t *sigar, sigar_uint64_t *total);
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int sigar_mem_calc_ram(sigar_t *sigar, sigar_mem_t *mem);
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double sigar_file_system_usage_calc_used(sigar_t *sigar,
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sigar_file_system_usage_t *fs);
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void sigar_cpu_model_adjust(sigar_t *sigar, sigar_cpu_info_t *info);
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typedef struct sigar_cache_entry_t sigar_cache_entry_t;
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struct sigar_cache_entry_t {
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sigar_cache_entry_t *next;
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sigar_uint64_t id;
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void *value;
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};
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typedef struct {
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sigar_cache_entry_t **entries;
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unsigned int count, size;
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} sigar_cache_t;
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#endif /* SIGAR_UTIL_H */
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