diff options
Diffstat (limited to 'compat/daemon.c')
| -rw-r--r-- | compat/daemon.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/compat/daemon.c b/compat/daemon.c index cd8e0f3..e3d5aea 100644 --- a/compat/daemon.c +++ b/compat/daemon.c @@ -1,7 +1,7 @@ /* daemon.c - implementation of daemon() for systems that lack it - Copyright (C) 2002, 2003, 2008 Arthur de Jong + Copyright (C) 2002, 2003, 2008, 2012 Arthur de Jong This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -26,46 +26,46 @@ #include <sys/stat.h> #include <fcntl.h> -int daemon(int nochdir,int noclose) +int daemon(int nochdir, int noclose) { /* change directory */ if (!nochdir) - if (chdir("/")!=0) + if (chdir("/") != 0) return -1; /* fork() and exit() to detach from the parent process */ switch (fork()) { - case 0: /* we are the child */ - break; - case -1: /* we are the parent, but have an error */ - return -1; - default: /* we are the parent and we're done*/ - _exit(0); + case 0: /* we are the child */ + break; + case -1: /* we are the parent, but have an error */ + return -1; + default: /* we are the parent and we're done */ + _exit(0); } /* become process leader */ - if (setsid()<0) + if (setsid() < 0) { return -1; } /* fork again so we cannot allocate a pty */ switch (fork()) { - case 0: /* we are the child */ - break; - case -1: /* we are the parent, but have an error */ - return -1; - default: /* we are the parent and we're done*/ - _exit(0); + case 0: /* we are the child */ + break; + case -1: /* we are the parent, but have an error */ + return -1; + default: /* we are the parent and we're done */ + _exit(0); } /* close stdin, stdout and stderr and reconnect to /dev/null */ if (!noclose) { - close(0); /* stdin */ - close(1); /* stdout */ - close(2); /* stderr */ - open("/dev/null",O_RDWR); /* stdin, fd=0 */ - dup(0); /* stdout, fd=1 */ - dup(0); /* stderr, fd=2 */ + close(0); /* stdin */ + close(1); /* stdout */ + close(2); /* stderr */ + open("/dev/null", O_RDWR); /* stdin, fd=0 */ + dup(0); /* stdout, fd=1 */ + dup(0); /* stderr, fd=2 */ } return 0; } |