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annotate lib/pending.c @ 1327:85f297591693 draft

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Introduce xfork() and make commands use it, and make some WEXITSTATUS() use WIFEXITED() and WTERMSIG()+127.
author Rob Landley <rob@landley.net>
date Sat, 31 May 2014 12:33:24 -0500
parents d48bdc1cb017
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
949
59d4d453296b New stuff added to lib.c needs review too, so make a lib/pending.c and move several functions to it.
Rob Landley <rob@landley.net>
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1 /* pending.c - reusable stuff awaiting review
59d4d453296b New stuff added to lib.c needs review too, so make a lib/pending.c and move several functions to it.
Rob Landley <rob@landley.net>
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2 *
59d4d453296b New stuff added to lib.c needs review too, so make a lib/pending.c and move several functions to it.
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3 * new lib entries for stuff in toys/pending
59d4d453296b New stuff added to lib.c needs review too, so make a lib/pending.c and move several functions to it.
Rob Landley <rob@landley.net>
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4 */
59d4d453296b New stuff added to lib.c needs review too, so make a lib/pending.c and move several functions to it.
Rob Landley <rob@landley.net>
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5
59d4d453296b New stuff added to lib.c needs review too, so make a lib/pending.c and move several functions to it.
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parents:
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6 #include "toys.h"
59d4d453296b New stuff added to lib.c needs review too, so make a lib/pending.c and move several functions to it.
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7
995
893c86bbe452 Add daemonize function to lib for klogd and syslogd
Felix Janda <felix.janda@posteo.de>
parents: 949
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8 void daemonize(void)
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9 {
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10 int fd = open("/dev/null", O_RDWR);
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11 if (fd < 0) fd = xcreate("/", O_RDONLY, 0666);
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12
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13 pid_t pid = fork();
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14 if (pid < 0) perror_exit("DAEMON: failed to fork");
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15 if (pid) exit(EXIT_SUCCESS);
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16
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17 setsid();
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18 dup2(fd, 0);
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19 dup2(fd, 1);
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20 dup2(fd, 2);
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21 if (fd > 2) close(fd);
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22 }