3rd-party/linux-kernel-module-cheat
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wait queue: move docs to README

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Do just one example with 2 waits, my readers can handle it :-)
This commit is contained in:
Ciro Santilli
2018-07-08 09:58:05 +01:00
parent f59ca5a214
commit 258add9c9d
3 changed files with 88 additions and 46 deletions
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12
kernel_module/wait_queue2.c
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@@ -1,6 +1,4 @@
/*
Two threads waiting on a single event.
*/
/* https://github.com/cirosantilli/linux-kernel-module-cheat#wait-queues */
#include <linux/delay.h> /* usleep_range */
#include <linux/kernel.h>
@@ -29,7 +27,7 @@ static int kthread_wake_func(void *data)
return 0;
}
static int kthread_sleep1_func(void *data)
static int kthread_sleep_func_1(void *data)
{
unsigned int i = 0;
while (!kthread_should_stop()) {
@@ -42,7 +40,7 @@ static int kthread_sleep1_func(void *data)
return 0;
}
static int kthread_sleep2_func(void *data)
static int kthread_sleep_func_2(void *data)
{
unsigned int i = 0;
while (!kthread_should_stop()) {
@@ -59,8 +57,8 @@ int init_module(void)
{
init_waitqueue_head(&queue);
kthread_wake = kthread_create(kthread_wake_func, NULL, "wake");
kthread_sleep1 = kthread_create(kthread_sleep1_func, NULL, "sleep1");
kthread_sleep2 = kthread_create(kthread_sleep2_func, NULL, "sleep2");
kthread_sleep1 = kthread_create(kthread_sleep_func_1, NULL, "sleep1");
kthread_sleep2 = kthread_create(kthread_sleep_func_2, NULL, "sleep2");
wake_up_process(kthread_wake);
wake_up_process(kthread_sleep1);
wake_up_process(kthread_sleep2);