X-Git-Url: http://git.tdb.fi/?p=gldbg.git;a=blobdiff_plain;f=source%2Fglwrap.c;h=4c17edfca772755f16a983253e96d37cf3ef0de6;hp=52c6552e1f5c0c007939e62f07a31e233ba8e587;hb=4aba13fc7690cf79e949d9765b371e85e7530207;hpb=03c86c2f632b642aa94f721e326787e91aa69c25

diff --git a/source/glwrap.c b/source/glwrap.c
index 52c6552..4c17edf 100644
--- a/source/glwrap.c
+++ b/source/glwrap.c
@@ -8,7 +8,9 @@ Distributed under the GPL
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <errno.h>
 #include <dlfcn.h>
+#include <fcntl.h>
 #include <sys/uio.h>
 
 #define INTERNAL __attribute__((visibility("internal")))
@@ -175,17 +177,20 @@ INTERNAL inline void begin_packet(int func)
 		buffer = (char *)malloc(1024);
 	if(!iovecs)
 		iovecs = (struct iovec *)malloc(16*sizeof(struct iovec));
+
 	write_pos = buffer;
 	cur_vec = iovecs;
 	cur_vec->iov_base = write_pos;
 	length = 0;
+
 	write_int(0);
 	write_short(func);
 }
 
-INTERNAL inline void send_packet(void)
+INTERNAL inline int get_out_fd(void)
 {
 	static int fd = -1;
+
 	if(fd<0)
 	{
 		const char *var = getenv("GLWRAP_FD");
@@ -194,8 +199,29 @@ INTERNAL inline void send_packet(void)
 		else
 			fd = 2;
 	}
+
+	return fd;
+}
+
+INTERNAL inline void send_partial_packet(void)
+{
+	next_vec();
+	write_pos = buffer;
+	write_int(length|0x80000000);
+	writev(get_out_fd(), iovecs, cur_vec-iovecs);
+
+	write_pos = buffer;
+	cur_vec = iovecs;
+	cur_vec->iov_base = write_pos;
+	length = 0;
+
+	write_int(0);
+}
+
+INTERNAL inline void send_packet(void)
+{
 	next_vec();
 	write_pos = buffer;
 	write_int(length);
-	writev(fd, iovecs, cur_vec-iovecs);
+	writev(get_out_fd(), iovecs, cur_vec-iovecs);
 }