trusty: tipc-test: Test multi-page support

Test: tipc-test -t send-fd
Bug: 117221195
Change-Id: Ie8623a70f6935ede6bb5e9dd1a7945a7e356d854
This commit is contained in:
Matthew Maurer 2021-01-05 13:20:58 -08:00
parent 09494764ae
commit b6e795513b

View file

@ -893,6 +893,7 @@ static int send_fd_test(void) {
int memfd = -1;
int fd = -1;
volatile char* buf = MAP_FAILED;
const size_t num_pages = 10;
fd = tipc_connect(dev_name, receiver_name);
if (fd < 0) {
@ -908,13 +909,14 @@ static int send_fd_test(void) {
goto cleanup;
}
if (ftruncate(memfd, PAGE_SIZE) < 0) {
size_t buf_size = PAGE_SIZE * num_pages;
if (ftruncate(memfd, buf_size) < 0) {
fprintf(stderr, "Failed to resize memfd: %s\n", strerror(errno));
ret = -1;
goto cleanup;
}
buf = mmap(0, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, memfd, 0);
buf = mmap(0, buf_size, PROT_READ | PROT_WRITE, MAP_SHARED, dma_buf, 0);
if (buf == MAP_FAILED) {
fprintf(stderr, "Failed to map memfd: %s\n", strerror(errno));
ret = -1;
@ -938,7 +940,10 @@ static int send_fd_test(void) {
read(fd, &c, 1);
tipc_close(fd);
ret = strcmp("Hello from Trusty!", (const char*)buf) ? (-1) : 0;
ret = 0;
for (size_t skip = 0; skip < num_pages; skip++) {
ret |= strcmp("Hello from Trusty!", (const char*)&buf[skip * PAGE_SIZE]) ? (-1) : 0;
}
cleanup:
if (buf != MAP_FAILED) {