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posix-shell server: switch pipe flag to read/write

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to make it non-blocking and ommit opening the same
named pipe multiple times inside the same process
which seems to be not supported in cygwin.
This commit is contained in:
Matthias Grob
2018-09-18 14:58:45 +02:00
parent 9887c463fd
commit fbd175c0c9
1 changed files with 8 additions and 2 deletions
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10
platforms/posix/src/px4_daemon/server.cpp
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@@ -50,7 +50,13 @@
#include "pxh.h"
#include "server.h"
// In Cygwin opening and closing the same named pipe multiple times within one process doesn't work POSIX compliant.
// As a workaround we open the client send pipe file in read write mode such that we can keep it open all the time.
#if !defined(__PX4_CYGWIN)
#define CLIENT_SEND_PIPE_OFLAGS O_RDONLY
#else
#define CLIENT_SEND_PIPE_OFLAGS O_RDWR
#endif
namespace px4_daemon
{
@@ -121,7 +127,7 @@ Server::_server_main(void *arg)
}
std::string client_send_pipe_path = get_client_send_pipe_path(_instance_id);
int client_send_pipe_fd = open(client_send_pipe_path.c_str(), O_RDONLY);
int client_send_pipe_fd = open(client_send_pipe_path.c_str(), CLIENT_SEND_PIPE_OFLAGS);
while (true) {