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main.c
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1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <unistd.h>
4 #include <uv.h>
5 
6 uv_loop_t* create_loop()
7 {
8  uv_loop_t *loop = malloc(sizeof(uv_loop_t));
9  if (loop) {
10  uv_loop_init(loop);
11  }
12  return loop;
13 }
14 
15 void signal_handler(uv_signal_t *handle, int signum)
16 {
17  printf("Signal received: %d\n", signum);
18  uv_signal_stop(handle);
19 }
20 
21 // two signal handlers in one loop
22 void thread1_worker(void *userp)
23 {
24  uv_loop_t *loop1 = create_loop();
25 
26  uv_signal_t sig1a, sig1b;
27  uv_signal_init(loop1, &sig1a);
28  uv_signal_start(&sig1a, signal_handler, SIGUSR1);
29 
30  uv_signal_init(loop1, &sig1b);
31  uv_signal_start(&sig1b, signal_handler, SIGUSR1);
32 
33  uv_run(loop1, UV_RUN_DEFAULT);
34 }
35 
36 // two signal handlers, each in its own loop
37 void thread2_worker(void *userp)
38 {
39  uv_loop_t *loop2 = create_loop();
40  uv_loop_t *loop3 = create_loop();
41 
42  uv_signal_t sig2;
43  uv_signal_init(loop2, &sig2);
44  uv_signal_start(&sig2, signal_handler, SIGUSR1);
45 
46  uv_signal_t sig3;
47  uv_signal_init(loop3, &sig3);
48  uv_signal_start(&sig3, signal_handler, SIGUSR1);
49 
50  while (uv_run(loop2, UV_RUN_NOWAIT) || uv_run(loop3, UV_RUN_NOWAIT)) {
51  }
52 }
53 
54 int main()
55 {
56  printf("PID %d\n", getpid());
57 
58  uv_thread_t thread1, thread2;
59 
60  uv_thread_create(&thread1, thread1_worker, 0);
61  uv_thread_create(&thread2, thread2_worker, 0);
62 
63  uv_thread_join(&thread1);
64  uv_thread_join(&thread2);
65  return 0;
66 }
handle
static mcore_handle handle
Definition: asm_mcore.c:8
printf
_Use_decl_annotations_ int __cdecl printf(const char *const _Format,...)
Definition: cs_driver.c:93
main
int main(int argc, const char **argv)
Definition: main.c:340
malloc
void * malloc(size_t size)
Definition: malloc.c:123
signum
static static fork const void static count static fd const char static mode const char static pathname const char static path const char static dev const char static group static getpid static getuid void void static data static pause const char static mode static sync const char const char static newpath const char static pathname unsigned long static filedes void static end_data_segment signum
Definition: sflib.h:79
uv_loop_s
Definition: uv.h:1780
uv_signal_s
Definition: uv.h:1574
loop
uv_loop_t * loop
Definition: main.c:7
signal_handler
void signal_handler(uv_signal_t *req, int signum)
Definition: main.c:33
thread2_worker
void thread2_worker(void *userp)
Definition: main.c:37
create_loop
uv_loop_t * create_loop()
Definition: main.c:6
thread1_worker
void thread1_worker(void *userp)
Definition: main.c:22
uv_thread_t
pthread_t uv_thread_t
Definition: unix.h:136
UV_RUN_NOWAIT
@ UV_RUN_NOWAIT
Definition: uv.h:257
UV_RUN_DEFAULT
@ UV_RUN_DEFAULT
Definition: uv.h:255
uv_thread_join
UV_EXTERN int uv_thread_join(uv_thread_t *tid)
Definition: thread.c:272
uv_signal_start
UV_EXTERN int uv_signal_start(uv_signal_t *handle, uv_signal_cb signal_cb, int signum)
Definition: signal.c:340
uv_loop_init
UV_EXTERN int uv_loop_init(uv_loop_t *loop)
Definition: loop.c:30
uv_run
UV_EXTERN int uv_run(uv_loop_t *, uv_run_mode mode)
Definition: core.c:365
uv_signal_stop
UV_EXTERN int uv_signal_stop(uv_signal_t *handle)
Definition: signal.c:513
uv_thread_create
UV_EXTERN int uv_thread_create(uv_thread_t *tid, uv_thread_cb entry, void *arg)
Definition: thread.c:210
uv_signal_init
UV_EXTERN int uv_signal_init(uv_loop_t *loop, uv_signal_t *handle)
Definition: signal.c:319