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author | Eric S. Raymond <esr@thyrsus.com> | 1996-06-26 19:09:01 +0000 |
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committer | Eric S. Raymond <esr@thyrsus.com> | 1996-06-26 19:09:01 +0000 |
commit | d98d211d8b8832c01d8ccccb501fd419b8f430e1 (patch) | |
tree | fadee8d3409208b78d9bd737d0f7920c889ed2f5 /daemon.c | |
parent | 62a66ecb705b41866729a6d7eb70cf64f8e17cd8 (diff) | |
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This is what I sent Harris.
svn path=/trunk/; revision=9
Diffstat (limited to 'daemon.c')
-rw-r--r-- | daemon.c | 27 |
1 files changed, 16 insertions, 11 deletions
@@ -25,6 +25,9 @@ BSD systems. $Log: daemon.c,v $ + Revision 1.2 1996/06/26 19:08:57 esr + This is what I sent Harris. + Revision 1.1 1996/06/25 14:32:01 esr Initial revision @@ -98,7 +101,7 @@ sigchld_handler () become process group leader of our own process group, and set up to catch child process termination signals. arguments: - options command-line options. + logfile file to direct stdout and stderr to, if non-NULL. ret. value: none. globals: refers to the address of sigchld_handler(). @@ -106,12 +109,12 @@ sigchld_handler () *****************************************************************/ int -daemonize (options) -struct optrec *options; +daemonize (logfile) +const char *logfile; { int fd; pid_t childpid; - RETSIGTYPE sigchild_handler(); + RETSIGTYPE sigchld_handler(); /* if we are started by init (process 1) via /etc/inittab we needn't bother to detach from our process group context */ @@ -195,13 +198,15 @@ nottyDetach: return(PS_IOERR); } - - if (dup(fd) < 0) { /* stdout */ - log_perror("dup"); - return(PS_IOERR); - } + if (logfile) + open(logfile, O_CREAT|O_WRONLY, 0777); /* stdout */ + else + if (dup(fd) < 0) { /* stdout */ + perror("dup"); + return(PS_IOERR); + } if (dup(fd) < 0) { /* stderr */ - log_perror("dup"); + perror("dup"); return(PS_IOERR); } @@ -216,6 +221,6 @@ nottyDetach: #endif /* set up to catch child process termination signals */ - signal(SIGCLD, sigchild_handler); + signal(SIGCLD, sigchld_handler); } |