X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=hello%2Fhello.c;h=51979861e28b0e37003c1ec7fb6600887701bb7a;hb=b6bf28ecd4c07e7865d340f1600a35d6edc05ec8;hp=0735fd6b6004a518d2c37f11c11623c2d97f2d3f;hpb=9dad1eb8e433b1dbbd199cbca2f902f3a2ae6f5e;p=ust.git

diff --git a/hello/hello.c b/hello/hello.c
index 0735fd6..5197986 100644
--- a/hello/hello.c
+++ b/hello/hello.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <unistd.h>
+#include <sys/mman.h>
 
 #include "../libmarkers/marker.h"
 
@@ -10,8 +11,27 @@ void probe(const struct marker *mdata,
 	printf("In probe\n");
 }
 
+void try_map()
+{
+	char *m;
+
+	/* maybe add MAP_LOCKED */
+	m = mmap(NULL, 4096, PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE , -1, 0);
+	if(m == (char*)-1) {
+		perror("mmap");
+		return;
+	}
+
+	printf("The mapping is at %p.\n", m);
+	strcpy(m, "Hello, Mapping!");
+}
+
 int main()
 {
+	//ltt_trace_create();
+
+	try_map();
+
 	printf("Hello, World!\n");
 
 	marker_probe_register("abc", "testmark", "", probe, NULL);