server: Cope with stdio file descriptors being closed on startup.
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1ff5f3d56f
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3acc2068a0
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@ -758,6 +758,10 @@ void open_master_socket(void)
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assert( sizeof(union generic_request) == sizeof(struct request_max_size) );
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assert( sizeof(union generic_reply) == sizeof(struct request_max_size) );
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/* make sure the stdio fds are open */
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fd = open( "/dev/null", O_RDWR );
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while (fd >= 0 && fd <= 2) fd = dup( fd );
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if (!server_dir) fatal_error( "directory %s cannot be accessed\n", config_dir );
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if (chdir( config_dir ) == -1) fatal_perror( "chdir to %s", config_dir );
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if ((config_dir_fd = open( ".", O_RDONLY )) == -1) fatal_perror( "open %s", config_dir );
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@ -777,12 +781,8 @@ void open_master_socket(void)
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acquire_lock();
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/* close stdin and stdout */
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if ((fd = open( "/dev/null", O_RDWR )) != -1)
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{
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dup2( fd, 0 );
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dup2( fd, 1 );
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close( fd );
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}
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dup2( fd, 0 );
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dup2( fd, 1 );
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/* signal parent */
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dummy = 0;
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@ -813,6 +813,7 @@ void open_master_socket(void)
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/* init the process tracing mechanism */
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init_tracing_mechanism();
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close( fd );
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}
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/* master socket timer expiration handler */
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