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mmap-bad-fd.c
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1/** Tries to mmap an invalid fd,
2 which must either fail silently or terminate the process with
3 exit code -1. */
4
5#include <syscall.h>
6#include "tests/lib.h"
7#include "tests/main.h"
8
9void
10test_main (void)
11{
12 CHECK (mmap (0x5678, (void *) 0x10000000) == MAP_FAILED,
13 "try to mmap invalid fd");
14}
15
mapid_t mmap(int fd, void *addr)
Project 3 and optionally project 4.
Definition: syscall.c:145
#define MAP_FAILED
Definition: syscall.h:13
#define CHECK(SUCCESS,...)
Takes an expression to test for SUCCESS and a message, which may include printf-style arguments.
Definition: lib.h:29
void test_main(void)
Tries to mmap an invalid fd, which must either fail silently or terminate the process with exit code ...
Definition: mmap-bad-fd.c:10