42 lines
849 B
C
42 lines
849 B
C
#include <dirent.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <unistd.h>
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int *get_running_processes(int *count) {
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DIR *proc_dir = opendir("/proc");
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if (!proc_dir) {
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perror("Failed to open /proc");
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return NULL;
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}
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struct dirent *entry;
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struct stat statbuf;
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char path[512];
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char *endptr;
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int *processes = malloc(sizeof(int) * 1024);
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*count = 0;
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while ((entry = readdir(proc_dir))) {
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if (entry->d_name[0] == '.') {
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continue;
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}
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strtol(entry->d_name, &endptr, 10);
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if (*endptr != '\0') {
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continue;
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}
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snprintf(path, sizeof(path), "/proc/%s", entry->d_name);
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if (stat(path, &statbuf) == 0 && S_ISDIR(statbuf.st_mode)) {
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processes[(*count)++] = atoi(entry->d_name);
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}
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}
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closedir(proc_dir);
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return processes;
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}
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int main(void) { return 0; }
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