mirror of https://github.com/lukechilds/node.git
Bert Belder
12 years ago
82 changed files with 856 additions and 210 deletions
@ -0,0 +1,270 @@ |
|||||
|
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
|
||||
|
* |
||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy |
||||
|
* of this software and associated documentation files (the "Software"), to |
||||
|
* deal in the Software without restriction, including without limitation the |
||||
|
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
||||
|
* sell copies of the Software, and to permit persons to whom the Software is |
||||
|
* furnished to do so, subject to the following conditions: |
||||
|
* |
||||
|
* The above copyright notice and this permission notice shall be included in |
||||
|
* all copies or substantial portions of the Software. |
||||
|
* |
||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
||||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
||||
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
||||
|
* IN THE SOFTWARE. |
||||
|
*/ |
||||
|
|
||||
|
|
||||
|
/* This test does not pretend to be cross-platform. */ |
||||
|
#ifndef _WIN32 |
||||
|
|
||||
|
#include "uv.h" |
||||
|
#include "task.h" |
||||
|
|
||||
|
#include <errno.h> |
||||
|
#include <signal.h> |
||||
|
#include <stdarg.h> |
||||
|
#include <stdio.h> |
||||
|
#include <stdlib.h> |
||||
|
#include <string.h> |
||||
|
#include <unistd.h> |
||||
|
|
||||
|
|
||||
|
#define NUM_SIGNAL_HANDLING_THREADS 25 |
||||
|
#define NUM_LOOP_CREATING_THREADS 10 |
||||
|
|
||||
|
|
||||
|
static uv_sem_t sem; |
||||
|
static uv_mutex_t counter_lock; |
||||
|
static volatile int stop = 0; |
||||
|
|
||||
|
static volatile int signal1_cb_counter = 0; |
||||
|
static volatile int signal2_cb_counter = 0; |
||||
|
static volatile int loop_creation_counter = 0; |
||||
|
|
||||
|
|
||||
|
static void increment_counter(volatile int* counter) { |
||||
|
uv_mutex_lock(&counter_lock); |
||||
|
++(*counter); |
||||
|
uv_mutex_unlock(&counter_lock); |
||||
|
} |
||||
|
|
||||
|
|
||||
|
static void signal1_cb(uv_signal_t* handle, int signum) { |
||||
|
ASSERT(signum == SIGUSR1); |
||||
|
increment_counter(&signal1_cb_counter); |
||||
|
uv_signal_stop(handle); |
||||
|
} |
||||
|
|
||||
|
|
||||
|
static void signal2_cb(uv_signal_t* handle, int signum) { |
||||
|
ASSERT(signum == SIGUSR2); |
||||
|
increment_counter(&signal2_cb_counter); |
||||
|
uv_signal_stop(handle); |
||||
|
} |
||||
|
|
||||
|
|
||||
|
static void signal_handling_worker(void* context) { |
||||
|
uintptr_t mask = (uintptr_t) context; |
||||
|
uv_loop_t* loop; |
||||
|
uv_signal_t signal1a; |
||||
|
uv_signal_t signal1b; |
||||
|
uv_signal_t signal2; |
||||
|
int r; |
||||
|
|
||||
|
loop = uv_loop_new(); |
||||
|
ASSERT(loop != NULL); |
||||
|
|
||||
|
/* Setup the signal watchers and start them. */ |
||||
|
if (mask & SIGUSR1) { |
||||
|
r = uv_signal_init(loop, &signal1a); |
||||
|
ASSERT(r == 0); |
||||
|
r = uv_signal_start(&signal1a, signal1_cb, SIGUSR1); |
||||
|
ASSERT(r == 0); |
||||
|
r = uv_signal_init(loop, &signal1b); |
||||
|
ASSERT(r == 0); |
||||
|
r = uv_signal_start(&signal1b, signal1_cb, SIGUSR1); |
||||
|
ASSERT(r == 0); |
||||
|
} |
||||
|
if (mask & SIGUSR2) { |
||||
|
r = uv_signal_init(loop, &signal2); |
||||
|
ASSERT(r == 0); |
||||
|
r = uv_signal_start(&signal2, signal2_cb, SIGUSR2); |
||||
|
ASSERT(r == 0); |
||||
|
} |
||||
|
|
||||
|
/* Signal watchers are now set up. */ |
||||
|
uv_sem_post(&sem); |
||||
|
|
||||
|
/* Wait for all signals. The signal callbacks stop the watcher, so uv_run
|
||||
|
* will return when all signal watchers caught a signal. |
||||
|
*/ |
||||
|
r = uv_run(loop); |
||||
|
ASSERT(r == 0); |
||||
|
|
||||
|
/* Restart the signal watchers. */ |
||||
|
if (mask & SIGUSR1) { |
||||
|
r = uv_signal_start(&signal1a, signal1_cb, SIGUSR1); |
||||
|
ASSERT(r == 0); |
||||
|
r = uv_signal_start(&signal1b, signal1_cb, SIGUSR1); |
||||
|
ASSERT(r == 0); |
||||
|
} |
||||
|
if (mask & SIGUSR2) { |
||||
|
r = uv_signal_start(&signal2, signal2_cb, SIGUSR2); |
||||
|
ASSERT(r == 0); |
||||
|
} |
||||
|
|
||||
|
/* Wait for signals once more. */ |
||||
|
uv_sem_post(&sem); |
||||
|
|
||||
|
r = uv_run(loop); |
||||
|
ASSERT(r == 0); |
||||
|
|
||||
|
/* Close the watchers. */ |
||||
|
if (mask & SIGUSR1) { |
||||
|
uv_close((uv_handle_t*) &signal1a, NULL); |
||||
|
uv_close((uv_handle_t*) &signal1b, NULL); |
||||
|
} |
||||
|
if (mask & SIGUSR2) { |
||||
|
uv_close((uv_handle_t*) &signal2, NULL); |
||||
|
} |
||||
|
|
||||
|
/* Wait for the signal watchers to close. */ |
||||
|
r = uv_run(loop); |
||||
|
ASSERT(r == 0); |
||||
|
|
||||
|
uv_loop_delete(loop); |
||||
|
} |
||||
|
|
||||
|
|
||||
|
static void signal_unexpected_cb(uv_signal_t* handle, int signum) { |
||||
|
ASSERT(0 && "signal_unexpected_cb should never be called"); |
||||
|
} |
||||
|
|
||||
|
|
||||
|
static void loop_creating_worker(void* context) { |
||||
|
(void) context; |
||||
|
|
||||
|
do { |
||||
|
uv_loop_t* loop; |
||||
|
uv_signal_t signal; |
||||
|
int r; |
||||
|
|
||||
|
loop = uv_loop_new(); |
||||
|
ASSERT(loop != NULL); |
||||
|
|
||||
|
r = uv_signal_init(loop, &signal); |
||||
|
ASSERT(r == 0); |
||||
|
|
||||
|
r = uv_signal_start(&signal, signal_unexpected_cb, SIGTERM); |
||||
|
ASSERT(r == 0); |
||||
|
|
||||
|
uv_close((uv_handle_t*) &signal, NULL); |
||||
|
|
||||
|
r = uv_run(loop); |
||||
|
ASSERT(r == 0); |
||||
|
|
||||
|
uv_loop_delete(loop); |
||||
|
|
||||
|
increment_counter(&loop_creation_counter); |
||||
|
} while (!stop); |
||||
|
} |
||||
|
|
||||
|
|
||||
|
TEST_IMPL(signal_multiple_loops) { |
||||
|
int i, r; |
||||
|
uv_thread_t loop_creating_threads[NUM_LOOP_CREATING_THREADS]; |
||||
|
uv_thread_t signal_handling_threads[NUM_SIGNAL_HANDLING_THREADS]; |
||||
|
sigset_t sigset; |
||||
|
|
||||
|
r = uv_sem_init(&sem, 0); |
||||
|
ASSERT(r == 0); |
||||
|
|
||||
|
r = uv_mutex_init(&counter_lock); |
||||
|
ASSERT(r == 0); |
||||
|
|
||||
|
/* Create a couple of threads that create a destroy loops continuously. */ |
||||
|
for (i = 0; i < NUM_LOOP_CREATING_THREADS; i++) { |
||||
|
r = uv_thread_create(&loop_creating_threads[i], |
||||
|
loop_creating_worker, |
||||
|
NULL); |
||||
|
ASSERT(r == 0); |
||||
|
} |
||||
|
|
||||
|
/* Create a couple of threads that actually handle signals. */ |
||||
|
for (i = 0; i < NUM_SIGNAL_HANDLING_THREADS; i++) { |
||||
|
uintptr_t mask; |
||||
|
|
||||
|
switch (i % 3) { |
||||
|
case 0: mask = SIGUSR1; break; |
||||
|
case 1: mask = SIGUSR2; break; |
||||
|
case 2: mask = SIGUSR1 | SIGUSR2; break; |
||||
|
} |
||||
|
|
||||
|
r = uv_thread_create(&signal_handling_threads[i], |
||||
|
signal_handling_worker, |
||||
|
(void*) mask); |
||||
|
ASSERT(r == 0); |
||||
|
} |
||||
|
|
||||
|
/* Wait until all threads have started and set up their signal watchers. */ |
||||
|
for (i = 0; i < NUM_SIGNAL_HANDLING_THREADS; i++) |
||||
|
uv_sem_wait(&sem); |
||||
|
|
||||
|
r = kill(getpid(), SIGUSR1); |
||||
|
ASSERT(r == 0); |
||||
|
r = kill(getpid(), SIGUSR2); |
||||
|
ASSERT(r == 0); |
||||
|
|
||||
|
/* Wait for all threads to handle these signals. */ |
||||
|
for (i = 0; i < NUM_SIGNAL_HANDLING_THREADS; i++) |
||||
|
uv_sem_wait(&sem); |
||||
|
|
||||
|
/* Block all signals to this thread, so we are sure that from here the signal
|
||||
|
* handler runs in another thread. This is is more likely to catch thread and |
||||
|
* signal safety issues if there are any. |
||||
|
*/ |
||||
|
sigfillset(&sigset); |
||||
|
pthread_sigmask(SIG_SETMASK, &sigset, NULL); |
||||
|
|
||||
|
r = kill(getpid(), SIGUSR1); |
||||
|
ASSERT(r == 0); |
||||
|
r = kill(getpid(), SIGUSR2); |
||||
|
ASSERT(r == 0); |
||||
|
|
||||
|
/* Wait for all signal handling threads to exit. */ |
||||
|
for (i = 0; i < NUM_SIGNAL_HANDLING_THREADS; i++) { |
||||
|
r = uv_thread_join(&signal_handling_threads[i]); |
||||
|
ASSERT(r == 0); |
||||
|
} |
||||
|
|
||||
|
/* Tell all loop creating threads to stop. */ |
||||
|
stop = 1; |
||||
|
|
||||
|
/* Wait for all loop creating threads to exit. */ |
||||
|
for (i = 0; i < NUM_LOOP_CREATING_THREADS; i++) { |
||||
|
r = uv_thread_join(&loop_creating_threads[i]); |
||||
|
ASSERT(r == 0); |
||||
|
} |
||||
|
|
||||
|
printf("signal1_cb calls: %d\n", signal1_cb_counter); |
||||
|
printf("signal2_cb calls: %d\n", signal2_cb_counter); |
||||
|
printf("loops created and destroyed: %d\n", loop_creation_counter); |
||||
|
|
||||
|
ASSERT(signal1_cb_counter == 4 * NUM_SIGNAL_HANDLING_THREADS); |
||||
|
ASSERT(signal2_cb_counter == 2 * NUM_SIGNAL_HANDLING_THREADS); |
||||
|
/* We don't know exactly how much loops will be created and destroyed, but at
|
||||
|
* least there should be 1 for every loop creating thread. |
||||
|
*/ |
||||
|
ASSERT(loop_creation_counter >= NUM_LOOP_CREATING_THREADS); |
||||
|
|
||||
|
MAKE_VALGRIND_HAPPY(); |
||||
|
return 0; |
||||
|
} |
||||
|
|
||||
|
#endif /* !_WIN32 */ |
||||
Loading…
Reference in new issue