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After logging (if enabled) is switched to file, there is no reason to keep
stdin/stdout/stderr active, so dup them to /dev/null.
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parent
b11b1dd1c0
commit
46f80d01ff
15
server.c
15
server.c
@ -25,6 +25,7 @@
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#include <errno.h>
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#include <fcntl.h>
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#include <paths.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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@ -131,7 +132,7 @@ server_client_index(struct client *c)
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int
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server_start(char *path)
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{
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int pair[2], srv_fd;
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int pair[2], srv_fd, null_fd;
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char *cause;
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char rpathbuf[MAXPATHLEN];
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@ -176,6 +177,18 @@ server_start(char *path)
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}
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logfile("server");
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/*
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* Close stdin/stdout/stderr. Can't let daemon() do this as they are
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* needed until now to print configuration file errors.
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*/
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if ((null_fd = open(_PATH_DEVNULL, O_RDWR)) != -1) {
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dup2(null_fd, STDIN_FILENO);
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dup2(null_fd, STDOUT_FILENO);
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dup2(null_fd, STDERR_FILENO);
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if (null_fd > 2)
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close(null_fd);
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}
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log_debug("server started, pid %ld", (long) getpid());
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log_debug("socket path %s", socket_path);
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