On Thursday 12 March 2015 18:40:03 Josh Triplett wrote:
> This patch series introduces a new clone flag, CLONE_FD, which lets the
> caller handle child process exit notification via a file descriptor rather
> than SIGCHLD. CLONE_FD makes it possible for libraries to safely launch
> and manage child processes on behalf of their caller, *without* taking over
> process-wide SIGCHLD handling (either via signal handler or signalfd).
FYI, the matching use of this feature in Qt can be found at:
https://codereview.qt-project.org/108455
https://codereview.qt-project.org/108456
The forkfd.c file this modifies aims at implementing the semantics of CLONE_FD
for the fork case when support for CLONE_FD is missing in the kernel.
--
Thiago Macieira - thiago.macieira (AT) intel.com
Software Architect - Intel Open Source Technology Center
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