system.h

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#ifndef UTILS_SYSTEM_HEADER
#define UTILS_SYSTEM_HEADER
#include <stddef.h>
#include <sys/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif /* ifdef __cplusplus */

char* system_home_path();

const char* system_env_var(const char *var);

int system_mmap(void **base, int *fd, const char *file, size_t shm_size, size_t shm_off, int truncate);

size_t system_total_memory();

off_t system_file_size(const char *file);

const char* system_exec_name();

int system_process_id();

int system_thread_id();

const char* system_backtrace(unsigned int skip);
 
#ifdef __cplusplus
}
#endif /* ifdef __cplusplus */
 
 
#endif /* ifndef UTILS_SYSTEM_HEADER */