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// Take a look at the license at the top of the repository in the LICENSE file.
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <pthread.h>
#include "sysinfo.h"
void print_process(CProcess process) {
RString exe = sysinfo_process_executable_path(process);
printf("process[%d]: parent: %d,\n"
" cpu_usage: %f,\n"
" memory: %ld,\n"
" virtual memory: %ld,\n"
" executable path: '%s'\n",
sysinfo_process_pid(process),
sysinfo_process_parent_pid(process),
sysinfo_process_cpu_usage(process),
sysinfo_process_memory(process),
sysinfo_process_virtual_memory(process),
exe);
sysinfo_rstring_free(exe);
}
void check_tasks(CSystem system) {
#ifdef __linux__
bool task_loop(pid_t pid, CProcess process, void *data) {
(void)data;
printf(" ");
print_process(process);
return true;
}
void *sleeping_func(void *data) {
sleep(3);
return data;
}
pthread_t thread;
pthread_create(&thread, NULL, sleeping_func, NULL);
sysinfo_refresh_system(system);
CProcess process = sysinfo_process_by_pid(system, getpid());
printf("\n== Task(s) for current process: ==\n");
print_process(process);
printf("Got %ld task(s)\n", sysinfo_process_tasks(process, task_loop, NULL));
#else
(void)system;
#endif
}
bool process_loop(pid_t pid, CProcess process, void *data) {
unsigned int *i = data;
print_process(process);
*i += 1;
return *i < 10;
}
int main() {
CSystem system = sysinfo_init();
sysinfo_refresh_all(system);
printf("total memory: %ld\n", sysinfo_total_memory(system));
printf("free memory: %ld\n", sysinfo_free_memory(system));
printf("used memory: %ld\n", sysinfo_used_memory(system));
printf("total swap: %ld\n", sysinfo_total_swap(system));
printf("free swap: %ld\n", sysinfo_free_swap(system));
printf("used swap: %ld\n", sysinfo_used_swap(system));
printf("networks received: %ld\n", sysinfo_networks_received(system));
printf("networks transmitted: %ld\n", sysinfo_networks_transmitted(system));
unsigned int len = 0, i = 0;
float *procs = NULL;
sysinfo_cpus_usage(system, &len, &procs);
while (i < len) {
printf("CPU #%d usage: %f%%\n", i, procs[i]);
i += 1;
}
free(procs);
// processes part
i = 0;
printf("For a total of %ld processes.\n", sysinfo_processes(system, process_loop, &i));
check_tasks(system);
// we can now free the CSystem object.
sysinfo_destroy(system);
return 0;
}
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