The mmap syscall has 6 arguments, which has various implementations

on different architectures.

1 files changed, 28 insertions, 0 deletions

diff --git a/test/mmap/mmap.c b/test/mmap/mmap.c
new file mode 100644
index 000000000..d8b9b0024
--- /dev/null
+++ b/test/mmap/mmap.c
@@ -0,0 +1,28 @@
+
+/* The mmap test is useful, since syscalls with 6 arguments
+ * (as mmap) are done differently on various architectures.
+ */
+
+#include <unistd.h>
+#include <sys/mman.h>
+#include <stdlib.h>
+
+
+int main(int argc,char *argv)
+{
+	void *ptr;
+
+
+	ptr = mmap(NULL, 4096, PROT_READ|PROT_WRITE,
+		MAP_PRIVATE|MAP_ANONYMOUS,
+		0, 0);
+
+	if(ptr==MAP_FAILED){
+		perror("mmap");
+		exit(1);
+	}else{
+		printf("mmap returned %p\n",ptr);
+		exit(0);
+	}
+}
+