ElectronixTM
5cdf8871be
Lab 2 is in fact the first lab in the set of ones we actually do. It's not particularly hard, but consumed some time for me
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
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* "THE CHEESE-WARE LICENSE" (Revision 1):
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* <ElectronixTM> wrote this file. As long as you retain this notice
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* you can do whatever you want with this stuff. If we meet some day,
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* and you think this stuff is worth it, you can buy me some cheese
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* in return
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "common.h"
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#define PROG_PREFIX "son: "
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#define log(fmt, args...) printf(PROG_PREFIX fmt "\n", ##args)
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int main(int argc, const char **argv)
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{
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log("\n"
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"HEEEEEY, father\n"
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"There's an endless road to rediscover\n"
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"HEEEEEY, sister\n"
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"Do you still belive in love I wonder");
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if (argc != 2) {
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log("Ooops, wrong amount of args, %d", argc);
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return EXIT_FAILURE;
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}
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long mode = strtol(argv[1], NULL, 10);
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log("mode: %ld", mode);
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switch(mode) {
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case WAIT_FOR_CHILD:
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log("pid %d ppid %d", getpid(), getppid());
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sleep(5);
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break;
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case DONT_WAIT_FOR_CHILD:
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log("before parent die: pid %d ppid %d", getpid(), getppid());
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sleep(5);
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log("after parent die: pid %d ppid %d", getpid(), getppid());
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break;
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case ZOMBIE_PROCESS:
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break;
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default:
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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