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annotate libpwon/forkoff.c @ 571:41b3e010808d

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libpwon started, compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 02 Feb 2020 17:40:25 +0000
parents
children cef70d53fc5e
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571
41b3e010808d libpwon started, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 #include <sys/types.h>
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Mychaela Falconia <falcon@freecalypso.org>
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2 #include <stdio.h>
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Mychaela Falconia <falcon@freecalypso.org>
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3 #include <stdlib.h>
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Mychaela Falconia <falcon@freecalypso.org>
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4 #include <unistd.h>
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Mychaela Falconia <falcon@freecalypso.org>
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5
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Mychaela Falconia <falcon@freecalypso.org>
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6 extern char bootctrl_pwon_cmd[];
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7
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Mychaela Falconia <falcon@freecalypso.org>
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8 static char shell_pathname[] = "/bin/sh";
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Mychaela Falconia <falcon@freecalypso.org>
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9
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Mychaela Falconia <falcon@freecalypso.org>
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10 void
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Mychaela Falconia <falcon@freecalypso.org>
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11 fork_exec_pwon_cmd()
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Mychaela Falconia <falcon@freecalypso.org>
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12 {
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Mychaela Falconia <falcon@freecalypso.org>
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13 int i;
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14
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15 i = vfork();
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Mychaela Falconia <falcon@freecalypso.org>
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16 if (i < 0) {
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Mychaela Falconia <falcon@freecalypso.org>
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17 perror("vfork");
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Mychaela Falconia <falcon@freecalypso.org>
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18 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
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19 }
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Mychaela Falconia <falcon@freecalypso.org>
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20 if (i)
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Mychaela Falconia <falcon@freecalypso.org>
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21 return;
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Mychaela Falconia <falcon@freecalypso.org>
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22 execl(shell_pathname, "sh", "-c", bootctrl_pwon_cmd, (char *) 0);
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Mychaela Falconia <falcon@freecalypso.org>
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23 perror(shell_pathname);
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Mychaela Falconia <falcon@freecalypso.org>
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24 _exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
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25 }