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* fd_util: added O_NONBLOCK functionsMax Kellermann2009-11-081-7/+38
| | | | | Changed the wrappers for pipe(), socket(), accept(). On WIN32, this does not work for pipe().
* fd_util: unexport fd_set_cloexec()Max Kellermann2009-11-081-1/+1
| | | | This function is used only internally.
* inotify: set close-on-exec flagMax Kellermann2009-11-071-0/+26
| | | | Added wrapper for inotify_init1() to fd_util.c.
* set the close-on-exec flag on all file descriptorsMax Kellermann2009-11-071-0/+171
Added the "fd_util" library, which attempts to use the new thread-safe Linux system calls pipe2(), accept4() and the options O_CLOEXEC, SOCK_CLOEXEC. Without these, it falls back to FD_CLOEXEC, which is not thread safe. This is particularly important for the "pipe" output plugin (and others, such as JACK/PulseAudio), because we were heavily leaking file descriptors to child processes.