X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fpipe.cpp;h=0f206981f11c6d1e205d127d281655965559187e;hp=3882bd5b79b62eb6159cdd372ddaa4ca9a5e4e18;hb=651cfe05e867ffdef9028a831add3eca54d19d0d;hpb=3ba7e8ca4cc6a2c77028d49687d29364f9e1ca26

diff --git a/source/io/pipe.cpp b/source/io/pipe.cpp
index 3882bd5..0f20698 100644
--- a/source/io/pipe.cpp
+++ b/source/io/pipe.cpp
@@ -1,6 +1,7 @@
 #ifndef WIN32
 #include <fcntl.h>
 #include <errno.h>
+#include <unistd.h>
 #endif
 #include <msp/core/systemerror.h>
 #include <msp/strings/format.h>
@@ -13,19 +14,21 @@ 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]);
+		CloseHandle(*read_handle);
 		throw system_error(format("CreateFile(%s)", name), err);
 	}
 #else
@@ -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);
@@ -45,8 +48,8 @@ Pipe::~Pipe()
 	set_events(P_NONE);
 
 	signal_flush_required.emit();
-	sys_close(handle[0]);
-	sys_close(handle[1]);
+	sys_close(read_handle);
+	sys_close(write_handle);
 }
 
 void Pipe::set_block(bool b)
@@ -56,10 +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
 }
 
@@ -68,7 +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)
@@ -83,5 +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