X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fpipe.cpp;h=639743f4ca79cab6ad1733383d69e5ff77e9556b;hp=b52c2bcb33131e02fc2a0d28f39aabc3e3e62593;hb=f041a31f9a6e19da86a63912e5a8050f216e5bc5;hpb=a97f614de0984d6dda2173ca72815ac1062faf7a diff --git a/source/io/pipe.cpp b/source/io/pipe.cpp index b52c2bc..639743f 100644 --- a/source/io/pipe.cpp +++ b/source/io/pipe.cpp @@ -1,9 +1,10 @@ #ifndef WIN32 #include #include +#include #endif #include -#include +#include #include "handle_private.h" #include "pipe.h" @@ -13,16 +14,18 @@ namespace Msp { namespace IO { Pipe::Pipe(): - reader(handle[0], 1024) + reader(read_handle, 1024) { + mode = M_RDWR; + #ifdef WIN32 string name = format("\\\\.\\pipe\\%u.%p", GetCurrentProcessId(), this); - *handle[0] = CreateNamedPipe(name.c_str(), PIPE_ACCESS_INBOUND|FILE_FLAG_OVERLAPPED, PIPE_TYPE_BYTE, 1, 1024, 1024, 0, 0); - if(!handle[0]) + *read_handle = CreateNamedPipe(name.c_str(), PIPE_ACCESS_INBOUND|FILE_FLAG_OVERLAPPED, PIPE_TYPE_BYTE, 1, 1024, 1024, 0, 0); + if(!read_handle) throw system_error("CreateNamedPipe"); - *handle[1] = CreateFile(name.c_str(), GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); - if(!handle[1]) + *write_handle = CreateFile(name.c_str(), GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); + if(!write_handle) { unsigned err = GetLastError(); CloseHandle(*handle[0]); @@ -33,8 +36,8 @@ Pipe::Pipe(): if(pipe(pipe_fd)==-1) throw system_error("pipe"); - *handle[0] = pipe_fd[0]; - *handle[1] = pipe_fd[1]; + *read_handle = pipe_fd[0]; + *write_handle = pipe_fd[1]; #endif set_events(P_INPUT); @@ -45,9 +48,8 @@ Pipe::~Pipe() set_events(P_NONE); signal_flush_required.emit(); - sys_close(handle[0]); - sys_close(handle[1]); - signal_closed.emit(); + sys_close(read_handle); + sys_close(write_handle); } void Pipe::set_block(bool b) @@ -57,10 +59,10 @@ void Pipe::set_block(bool b) mode = (mode|M_NONBLOCK); #ifndef WIN32 - int flags = fcntl(*handle[0], F_GETFD); - fcntl(*handle[0], F_SETFL, (flags&O_NONBLOCK)|(b?0:O_NONBLOCK)); - flags = fcntl(*handle[1], F_GETFD); - fcntl(*handle[1], F_SETFL, (flags&O_NONBLOCK)|(b?0:O_NONBLOCK)); + int flags = fcntl(*read_handle, F_GETFD); + fcntl(*read_handle, F_SETFL, (flags&O_NONBLOCK)|(b?0:O_NONBLOCK)); + flags = fcntl(*write_handle, F_GETFD); + fcntl(*write_handle, F_SETFL, (flags&O_NONBLOCK)|(b?0:O_NONBLOCK)); #endif } @@ -69,7 +71,7 @@ unsigned Pipe::do_write(const char *buf, unsigned size) if(size==0) return 0; - return sys_write(handle[1], buf, size); + return sys_write(write_handle, buf, size); } unsigned Pipe::do_read(char *buf, unsigned size) @@ -84,5 +86,15 @@ unsigned Pipe::do_read(char *buf, unsigned size) return ret; } +const Handle &Pipe::get_handle(Mode m) +{ + if(m==M_READ) + return read_handle; + else if(m==M_WRITE) + return write_handle; + else + throw invalid_argument("Pipe::get_handle"); +} + } // namespace IO } // namespace Msp