40 lines
621 B
C
40 lines
621 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#define MAX 1024
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#define PID 6
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#define PATH_SIZE 128
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int main(void)
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{
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FILE *fp;
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pid_t pid;
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char pid_str[MAX];
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char path[PATH_SIZE];
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char buf[MAX];
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pid = getpid();
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sprintf(pid_str, "%d", pid);
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strcpy(path, "/proc/self/task/");
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strcat(path, pid_str);
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strcat(path, "/status");
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fp = fopen(path, "r");
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if(fp == NULL)
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{
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perror("fail to pen file");
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exit(1);
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}
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while (fgets(buf, MAX, fp) != NULL)
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{
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printf("%s", buf);
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}
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fclose(fp);
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return 0;
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}
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