X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fpipe.cpp;h=01bf20aaea32c056b33e2213dafdd1d0515c3f1e;hp=3882bd5b79b62eb6159cdd372ddaa4ca9a5e4e18;hb=c8bf2d6c15893ccc9dbc4e04611b7229029f4808;hpb=3ba7e8ca4cc6a2c77028d49687d29364f9e1ca26

diff --git a/source/io/pipe.cpp b/source/io/pipe.cpp
index 3882bd5..01bf20a 100644
--- a/source/io/pipe.cpp
+++ b/source/io/pipe.cpp
@@ -1,10 +1,3 @@
-#ifndef WIN32
-#include <fcntl.h>
-#include <errno.h>
-#endif
-#include <msp/core/systemerror.h>
-#include <msp/strings/format.h>
-#include "handle_private.h"
 #include "pipe.h"
 
 using namespace std;
@@ -13,29 +6,11 @@ namespace Msp {
 namespace IO {
 
 Pipe::Pipe():
-	reader(handle[0], 1024)
+	reader(read_handle, 1024)
 {
-#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])
-		throw system_error("CreateNamedPipe");
-
-	*handle[1] = CreateFile(name.c_str(), GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
-	if(!handle[1])
-	{
-		unsigned err = GetLastError();
-		CloseHandle(*handle[0]);
-		throw system_error(format("CreateFile(%s)", name), err);
-	}
-#else
-	int pipe_fd[2];
-	if(pipe(pipe_fd)==-1)
-		throw system_error("pipe");
-
-	*handle[0] = pipe_fd[0];
-	*handle[1] = pipe_fd[1];
-#endif
+	mode = M_RDWR;
+
+	platform_init();
 
 	set_events(P_INPUT);
 }
@@ -45,43 +20,69 @@ 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_mode(Mode m)
+{
+	m = m&M_RDWR;
+	if(!m)
+		throw invalid_argument("Pipe::set_mode");
+
+	check_access(m);
+
+	Mode close = mode&M_RDWR&~m;
+	if(close&M_READ)
+		sys_close(read_handle);
+	if(close&M_WRITE)
+		sys_close(write_handle);
+	mode = (mode&~M_RDWR)|m;
 }
 
 void Pipe::set_block(bool b)
 {
-	mode = (mode&~M_NONBLOCK);
-	if(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));
-#endif
+	adjust_mode(mode, M_NONBLOCK, !b);
+	sys_set_blocking(read_handle, b);
+	sys_set_blocking(write_handle, b);
+}
+
+void Pipe::set_inherit(bool i)
+{
+	adjust_mode(mode, M_INHERIT, i);
+	sys_set_inherit(read_handle, i);
+	sys_set_inherit(write_handle, i);
 }
 
-unsigned Pipe::do_write(const char *buf, unsigned size)
+size_t Pipe::do_write(const char *buf, size_t 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)
+size_t Pipe::do_read(char *buf, size_t size)
 {
 	if(size==0)
 		return 0;
 
-	unsigned ret = reader.read(buf, size);
+	size_t ret = reader.read(buf, size);
 	if(ret==0)
 		set_eof();
 
 	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