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libcamera: ipc_unixsocket: Use UniqueFD for a file descriptor

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IPCUnixSocket::create() creates two file descriptors. One of
them is stored in IPCUnixSocket and the other is returned to a
caller. This clarifies the ownership using UniqueFD.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Hirokazu Honda 2021-06-10 16:50:25 +09:00 • committed by Laurent Pinchart
parent edd70612e5
commit 9143668887
6 changed files with 49 additions and 44 deletions
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8
test/ipc/unixsocket_ipc.cpp
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@ -49,9 +49,9 @@ public:
ipc_.readyRead.connect(this, &UnixSocketTestIPCSlave::readyRead);
}
int run(int fd)
int run(UniqueFD fd)
{
if (ipc_.bind(fd)) {
if (ipc_.bind(std::move(fd))) {
cerr << "Failed to connect to IPC channel" << endl;
return EXIT_FAILURE;
}
@ -222,9 +222,9 @@ int main(int argc, char **argv)
{
/* IPCPipeUnixSocket passes IPA module path in argv[1] */
if (argc == 3) {
int ipcfd = std::stoi(argv[2]);
UniqueFD ipcfd = UniqueFD(std::stoi(argv[2]));
UnixSocketTestIPCSlave slave;
return slave.run(ipcfd);
return slave.run(std::move(ipcfd));
}
UnixSocketTestIPC test;