48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <linux/fs.h>
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#include <linux/limits.h>
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#define NR_OPEN 1024
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int _daemon(int nochdir, int noclose){
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pid_t pid, sid;
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// pid_t defined in sys/types.h
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// pid_t is a signed int data type
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pid = fork(); // fork of the parent process
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// fork() function defined in unistd.h
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if (pid < 0){
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exit(EXIT_FAILURE); // exit and EXIT_FAILURE defined in stdlib.h
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}
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else if (pid > 0){
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exit(EXIT_SUCCESS);
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}
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// sid = setsid();
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// if (sid < 0) {
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// exit(EXIT_FAILURE);
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// }
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// if ((chdir("/")) < 0) {
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// exit(EXIT_FAILURE);
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// }
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// if (!noclose) {
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// for (int i = 0; i < NR_OPEN; i++)
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// close(i);
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// open("/dev/null", O_RDWR);
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// dup(0);
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// dup(0);
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// }
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// close(STDOUT_FILENO);
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// close(STDERR_FILENO);
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while (1) {
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int status = system("../go-files/info");
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// TODO SECURITY ISSUE
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// LINK https://stackoverflow.com/questions/5237482/how-do-i-execute-an-external-program-within-c-code-in-linux-with-arguments#
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sleep(1);
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}
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exit(EXIT_SUCCESS);
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}
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