3rd-party/linux-kernel-module-cheat
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Ciro Santilli
2017-06-08 06:26:20 +01:00
parent 41dbf46531
commit 4c1b0e7891
7 changed files with 85 additions and 85 deletions
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28
kernel_module/test/myinsmod.c
View File

@@ -12,23 +12,23 @@
int main(int argc, char **argv) {
size_t image_size;
void *image;
int fd;
struct stat st;
int fd;
struct stat st;
if (argc != 2) {
puts("Usage ./prog mymodule.ko");
return EXIT_FAILURE;
}
fd = open(argv[1], O_RDONLY);
fstat(fd, &st);
image_size = st.st_size;
image = malloc(image_size);
read(fd, image, image_size);
close(fd);
if (init_module(image, image_size, "") != 0) {
perror("init_module");
return EXIT_FAILURE;
}
free(image);
return EXIT_SUCCESS;
fd = open(argv[1], O_RDONLY);
fstat(fd, &st);
image_size = st.st_size;
image = malloc(image_size);
read(fd, image, image_size);
close(fd);
if (init_module(image, image_size, "") != 0) {
perror("init_module");
return EXIT_FAILURE;
}
free(image);
return EXIT_SUCCESS;
}

10
kernel_module/test/myrmmod.c
View File

@@ -14,9 +14,9 @@ int main(int argc, char **argv) {
puts("Usage ./prog mymodule");
return EXIT_FAILURE;
}
if (delete_module(argv[1], O_NONBLOCK) != 0) {
perror("delete_module");
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
if (delete_module(argv[1], O_NONBLOCK) != 0) {
perror("delete_module");
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}

48
kernel_module/test/poll.c
View File

@@ -6,29 +6,29 @@
#include <unistd.h> /* read */
int main(int argc, char **argv) {
char buf[1024], path[1024];
int fd, i, n;
short revents;
struct pollfd pfd;
char buf[1024], path[1024];
int fd, i, n;
short revents;
struct pollfd pfd;
fd = open(argv[1], O_RDONLY | O_NONBLOCK);
if (fd == -1) {
perror("open");
exit(EXIT_FAILURE);
}
pfd.fd = fd;
pfd.events = POLLIN;
while (1) {
puts("loop");
i = poll(&pfd, 1, -1);
if (i == -1) {
perror("poll");
exit(EXIT_FAILURE);
}
revents = pfd.revents;
if (revents & POLLIN) {
n = read(pfd.fd, buf, sizeof(buf));
printf("POLLIN n=%d buf=%.*s\n", n, n, buf);
}
}
fd = open(argv[1], O_RDONLY | O_NONBLOCK);
if (fd == -1) {
perror("open");
exit(EXIT_FAILURE);
}
pfd.fd = fd;
pfd.events = POLLIN;
while (1) {
puts("loop");
i = poll(&pfd, 1, -1);
if (i == -1) {
perror("poll");
exit(EXIT_FAILURE);
}
revents = pfd.revents;
if (revents & POLLIN) {
n = read(pfd.fd, buf, sizeof(buf));
printf("POLLIN n=%d buf=%.*s\n", n, n, buf);
}
}
}