Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add tests for msync #4914

Merged
merged 4 commits into from
Jul 8, 2024
Merged
Show file tree
Hide file tree
Changes from 3 commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
64 changes: 64 additions & 0 deletions tests/wasix/msync-end-of-file/main.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,64 @@
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>

int main()
{
int fd;
char *data;

fd = open("/data/my_file.txt", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
if (fd == -1)
{
printf("open");
exit(1);
}

write(fd, "abcdef", 6);

struct stat statbuf;
fstat(fd, &statbuf);
size_t filesize = statbuf.st_size;

data = mmap(NULL, 3, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 3);
if (data == MAP_FAILED)
{
printf("mmap");
exit(1);
}

memcpy(data, "hij", 3);

msync(data, 3, MS_SYNC);

munmap(data, 3);

fd = open("/data/my_file.txt", O_RDONLY);
if (fd == -1)
{
printf("open");
exit(1);
}

char buffer[filesize];
ssize_t bytes_read = read(fd, buffer, filesize);
if (bytes_read == -1)
{
printf("read");
exit(1);
}

if (strncmp(buffer, "abchij", filesize) != 0)
{
printf("Error: Expected content 'abchij', got '%s'\n", buffer);
exit(1);
}

printf("0");
close(fd);
return 0;
}
7 changes: 7 additions & 0 deletions tests/wasix/msync-end-of-file/run.sh
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
#!/bin/bash

$WASMER -q run main.wasm --mapdir=/data:. > output

printf "0" | diff -u output - 1>/dev/null

rm my_file.txt
64 changes: 64 additions & 0 deletions tests/wasix/msync-middle-of-file/main.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,64 @@
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>

int main()
{
int fd;
char *data;

fd = open("data/my_file.txt", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
if (fd == -1)
{
printf("open");
exit(1);
}

write(fd, "abcdef", 6);

struct stat statbuf;
fstat(fd, &statbuf);
size_t filesize = statbuf.st_size;

data = mmap(NULL, 2, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 2);
if (data == MAP_FAILED)
{
printf("mmap");
exit(1);
}

memcpy(data, "hi", 2);

msync(data, 2, MS_SYNC);

munmap(data, 2);

fd = open("data/my_file.txt", O_RDONLY);
if (fd == -1)
{
printf("open");
exit(1);
}

char buffer[filesize];
ssize_t bytes_read = read(fd, buffer, filesize);
if (bytes_read == -1)
{
printf("read");
exit(1);
}

if (strncmp(buffer, "abhief", filesize) != 0)
{
printf("Error: Expected content 'abhief', got '%s'\n", buffer);
exit(1);
}

printf("0");
close(fd);
return 0;
}
7 changes: 7 additions & 0 deletions tests/wasix/msync-middle-of-file/run.sh
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
#!/bin/bash

$WASMER -q run main.wasm --mapdir=/data:. > output

printf "0" | diff -u output - 1>/dev/null

rm my_file.txt
64 changes: 64 additions & 0 deletions tests/wasix/msync-start-of-file/main.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,64 @@
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>

int main()
{
int fd;
char *data;

fd = open("/data/my_file.txt", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
if (fd == -1)
{
printf("open");
exit(1);
}

write(fd, "abc", 3);

struct stat statbuf;
fstat(fd, &statbuf);
size_t filesize = statbuf.st_size;

data = mmap(NULL, filesize, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
if (data == MAP_FAILED)
{
printf("mmap");
exit(1);
}

memcpy(data, "def", 3);

msync(data, filesize, MS_SYNC);

munmap(data, filesize);

fd = open("/data/my_file.txt", O_RDONLY);
if (fd == -1)
{
printf("open");
exit(1);
}

char buffer[filesize];
ssize_t bytes_read = read(fd, buffer, filesize);
if (bytes_read == -1)
{
printf("read");
exit(1);
}

if (strncmp(buffer, "def", filesize) != 0)
{
printf("Error: Expected content 'def', got '%s'\n", buffer);
exit(1);
}

printf("0");
close(fd);
return 0;
}
7 changes: 7 additions & 0 deletions tests/wasix/msync-start-of-file/run.sh
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
#!/bin/bash

$WASMER -q run main.wasm --mapdir=/data:. > output

printf "0" | diff -u output - 1>/dev/null

rm my_file.txt
62 changes: 62 additions & 0 deletions tests/wasix/munmap-sync-end-of-file/main.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,62 @@
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>

int main()
{
int fd;
char *data;

fd = open("/data/my_file.txt", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
if (fd == -1)
{
printf("open");
exit(1);
}

write(fd, "abcdef", 6);

struct stat statbuf;
fstat(fd, &statbuf);
size_t filesize = statbuf.st_size;

data = mmap(NULL, 3, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 3);
if (data == MAP_FAILED)
{
printf("mmap");
exit(1);
}

memcpy(data, "hij", 3);

munmap(data, 3);

fd = open("/data/my_file.txt", O_RDONLY);
if (fd == -1)
{
printf("open");
exit(1);
}

char buffer[filesize];
ssize_t bytes_read = read(fd, buffer, filesize);
if (bytes_read == -1)
{
printf("read");
exit(1);
}

if (strncmp(buffer, "abchij", filesize) != 0)
{
printf("Error: Expected content 'abchij', got '%s'\n", buffer);
exit(1);
}

printf("0");
close(fd);
return 0;
}
7 changes: 7 additions & 0 deletions tests/wasix/munmap-sync-end-of-file/run.sh
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
#!/bin/bash

$WASMER -q run main.wasm --mapdir=/data:. > output

printf "0" | diff -u output - 1>/dev/null

rm my_file.txt
62 changes: 62 additions & 0 deletions tests/wasix/munmap-sync-middle-of-file/main.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,62 @@
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>

int main()
{
int fd;
char *data;

fd = open("data/my_file.txt", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
if (fd == -1)
{
printf("open");
exit(1);
}

write(fd, "abcdef", 6);

struct stat statbuf;
fstat(fd, &statbuf);
size_t filesize = statbuf.st_size;

data = mmap(NULL, 2, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 2);
if (data == MAP_FAILED)
{
printf("mmap");
exit(1);
}

memcpy(data, "hi", 2);

munmap(data, 2);

fd = open("data/my_file.txt", O_RDONLY);
if (fd == -1)
{
printf("open");
exit(1);
}

char buffer[filesize];
ssize_t bytes_read = read(fd, buffer, filesize);
if (bytes_read == -1)
{
printf("read");
exit(1);
}

if (strncmp(buffer, "abhief", filesize) != 0)
{
printf("Error: Expected content 'abhief', got '%s'\n", buffer);
exit(1);
}

printf("0");
close(fd);
return 0;
}
7 changes: 7 additions & 0 deletions tests/wasix/munmap-sync-middle-of-file/run.sh
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
#!/bin/bash

$WASMER -q run main.wasm --mapdir=/data:. > output

printf "0" | diff -u output - 1>/dev/null

rm my_file.txt
Loading
Loading