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gthread: move test cases to glib/

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This commit is contained in:
Ryan Lortie
2011-10-16 19:08:59 -04:00
parent fb4e120d88
commit a9a1c97904
11 changed files with 44 additions and 69 deletions
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3
gthread/Makefile.am
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@@ -1,9 +1,6 @@
## Process this file with automake to produce Makefile.in
include $(top_srcdir)/Makefile.decl
SUBDIRS = . tests
DIST_SUBDIRS = tests
AM_CPPFLAGS = \
$(glib_INCLUDES) \
-DG_LOG_DOMAIN=\"GThread\" \

11
gthread/tests/.gitignore vendored
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@@ -1,11 +0,0 @@
1bit-emufutex
1bit-mutex
642026
642026-ec
atomic
gwakeup
gwakeup-fallback
spawn-multithreaded
spawn-singlethread
test-spawn-echo
unix-multithreaded

157
gthread/tests/1bit-mutex.c
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@@ -1,157 +0,0 @@
/*
* Copyright © 2008 Ryan Lortie
* Copyright © 2010 Codethink Limited
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* See the included COPYING file for more information.
*/
/* LOCKS should be more than the number of contention
* counters in gthread.c in order to ensure we exercise
* the case where they overlap.
*/
#define LOCKS 48
#define ITERATIONS 10000
#define THREADS 100
#include <glib.h>
#if TEST_EMULATED_FUTEX
/* this is defined for the 1bit-mutex-emufutex test.
*
* we want to test the emulated futex even if futex(2) is available.
*/
/* side-step some glib build stuff */
#define GLIB_COMPILATION
/* rebuild gbitlock.c without futex support,
defining our own version of the g_bit_*lock symbols
*/
#undef g_pointer_bit_lock
#undef g_pointer_bit_trylock
#undef g_pointer_bit_unlock
#define g_bit_lock _emufutex_g_bit_lock
#define g_bit_trylock _emufutex_g_bit_trylock
#define g_bit_unlock _emufutex_g_bit_unlock
#define g_pointer_bit_lock _emufutex_g_pointer_bit_lock
#define g_pointer_bit_trylock _emufutex_g_pointer_bit_trylock
#define g_pointer_bit_unlock _emufutex_g_pointer_bit_unlock
#define G_BIT_LOCK_FORCE_FUTEX_EMULATION
#include <glib/gbitlock.c>
#endif
volatile GThread *owners[LOCKS];
volatile gint locks[LOCKS];
volatile gpointer ptrs[LOCKS];
volatile gint bits[LOCKS];
static void
acquire (int nr,
gboolean use_pointers)
{
GThread *self;
self = g_thread_self ();
g_assert_cmpint (((gsize) ptrs) % 8, ==, 0);
if (!(use_pointers ?
g_pointer_bit_trylock (&ptrs[nr], bits[nr])
: g_bit_trylock (&locks[nr], bits[nr])))
{
if (g_test_verbose ())
g_print ("thread %p going to block on lock %d\n", self, nr);
if (use_pointers)
g_pointer_bit_lock (&ptrs[nr], bits[nr]);
else
g_bit_lock (&locks[nr], bits[nr]);
}
g_assert (owners[nr] == NULL); /* hopefully nobody else is here */
owners[nr] = self;
/* let some other threads try to ruin our day */
g_thread_yield ();
g_thread_yield ();
g_thread_yield ();
g_assert (owners[nr] == self); /* hopefully this is still us... */
owners[nr] = NULL; /* make way for the next guy */
if (use_pointers)
g_pointer_bit_unlock (&ptrs[nr], bits[nr]);
else
g_bit_unlock (&locks[nr], bits[nr]);
}
static gpointer
thread_func (gpointer data)
{
gboolean use_pointers = GPOINTER_TO_INT (data);
gint i;
GRand *rand;
rand = g_rand_new ();
for (i = 0; i < ITERATIONS; i++)
acquire (g_rand_int_range (rand, 0, LOCKS), use_pointers);
g_rand_free (rand);
return NULL;
}
static void
testcase (gconstpointer data)
{
gboolean use_pointers = GPOINTER_TO_INT (data);
GThread *threads[THREADS];
int i;
#ifdef TEST_EMULATED_FUTEX
#define SUFFIX "-emufutex"
/* ensure that we are using the emulated futex by checking
* (at compile-time) for the existance of 'g_futex_address_list'
*/
g_assert (g_futex_address_list == NULL);
#else
#define SUFFIX ""
#endif
for (i = 0; i < LOCKS; i++)
bits[i] = g_random_int () % 32;
for (i = 0; i < THREADS; i++)
threads[i] = g_thread_new ("foo", thread_func,
GINT_TO_POINTER (use_pointers));
for (i = 0; i < THREADS; i++)
g_thread_join (threads[i]);
for (i = 0; i < LOCKS; i++)
{
g_assert (owners[i] == NULL);
g_assert (locks[i] == 0);
}
}
int
main (int argc, char **argv)
{
g_test_init (&argc, &argv, NULL);
g_test_add_data_func ("/glib/1bit-mutex" SUFFIX "/int", (gpointer) 0, testcase);
g_test_add_data_func ("/glib/1bit-mutex" SUFFIX "/pointer", (gpointer) 1, testcase);
return g_test_run ();
}

91
gthread/tests/642026.c
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@@ -1,91 +0,0 @@
/*
* Author: Simon McVittie <simon.mcvittie@collabora.co.uk>
* Copyright © 2011 Nokia Corporation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* See the included COPYING file for more information.
*/
#define GLIB_DISABLE_DEPRECATION_WARNINGS
#include <glib.h>
/* On smcv's laptop, 1e4 iterations didn't always exhibit the bug, but 1e5
* iterations exhibited it 10/10 times in practice. YMMV. */
#define ITERATIONS 100000
static GStaticPrivate sp;
static GMutex *mutex;
static GCond *cond;
static guint i;
static volatile gint freed = 0;
static void
notify (gpointer p)
{
if (!g_atomic_int_compare_and_exchange (&freed, 0, 1))
{
g_error ("someone already freed it after %u iterations", i);
}
}
static gpointer thread_func (gpointer nil)
{
/* wait for main thread to reach its g_cond_wait call */
g_mutex_lock (mutex);
g_static_private_set (&sp, &sp, notify);
g_cond_broadcast (cond);
g_mutex_unlock (mutex);
return nil;
}
void
testcase (void)
{
g_test_bug ("642026");
mutex = g_mutex_new ();
cond = g_cond_new ();
g_mutex_lock (mutex);
for (i = 0; i < ITERATIONS; i++)
{
GThread *t1;
g_static_private_init (&sp);
freed = 0;
t1 = g_thread_create (thread_func, NULL, TRUE, NULL);
/* wait for t1 to set up its thread-private data */
g_cond_wait (cond, mutex);
/* exercise the bug, by racing with t1 to free the private data */
g_static_private_free (&sp);
g_thread_join (t1);
}
g_cond_free (cond);
g_mutex_unlock (mutex);
g_mutex_free (mutex);
}
int
main (int argc,
char **argv)
{
g_test_init (&argc, &argv, NULL);
g_test_bug_base ("https://bugzilla.gnome.org/show_bug.cgi?id=");
g_test_add_func ("/glib/642026", testcase);
return g_test_run ();
}

52
gthread/tests/Makefile.am
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@@ -1,52 +0,0 @@
include $(top_srcdir)/Makefile.decl
INCLUDES = -g $(gthread_INCLUDES) $(GLIB_DEBUG_FLAGS)
noinst_PROGRAMS = $(TEST_PROGS) test-spawn-echo
progs_ldadd = $(top_builddir)/glib/libglib-2.0.la \
$(top_builddir)/gthread/libgthread-2.0.la
test_spawn_echo_SOURCES = test-spawn-echo.c
test_spawn_echo_LDADD = $(progs_ldadd)
TEST_PROGS += 1bit-mutex
1bit_mutex_LDADD = $(progs_ldadd) $(top_builddir)/gthread/libgthread-2.0.la
TEST_PROGS += 642026
642026_LDADD = $(progs_ldadd)
TEST_PROGS += 642026-ec
642026_ec_SOURCES = 642026.c
642026_ec_LDADD = $(progs_ldadd)
642026_ec_CFLAGS = -DG_ERRORCHECK_MUTEXES
TEST_PROGS += 1bit-emufutex
1bit_emufutex_SOURCES = 1bit-mutex.c
1bit_emufutex_CFLAGS = -DTEST_EMULATED_FUTEX
1bit_emufutex_LDADD = $(progs_ldadd) $(top_builddir)/gthread/libgthread-2.0.la
if OS_UNIX
TEST_PROGS += unix-multithreaded
unix_multithreaded_SOURCES = $(top_srcdir)/glib/tests/unix.c
unix_multithreaded_CFLAGS = -DTEST_THREADED
unix_multithreaded_LDADD = $(progs_ldadd) $(top_builddir)/gthread/libgthread-2.0.la
endif
TEST_PROGS += spawn-multithreaded
spawn_multithreaded_SOURCES = spawn-multithreaded.c
spawn_multithreaded_LDADD = $(progs_ldadd) $(top_builddir)/gthread/libgthread-2.0.la
TEST_PROGS += spawn-singlethread
spawn_singlethread_SOURCES = spawn-singlethread.c
spawn_singlethread_LDADD = $(progs_ldadd) $(top_builddir)/gthread/libgthread-2.0.la
TEST_PROGS += gwakeup
gwakeup_SOURCES = gwakeuptest.c ../../glib/gwakeup.c
gwakeup_LDADD = $(progs_ldadd) $(top_builddir)/gthread/libgthread-2.0.la
if HAVE_EVENTFD
TEST_PROGS += gwakeup-fallback
gwakeup_fallback_SOURCES = gwakeuptest.c ../../glib/gwakeup.c
gwakeup_fallback_CFLAGS = $(AM_CFLAGS) -DTEST_EVENTFD_FALLBACK
gwakeup_fallback_LDADD = $(progs_ldadd) $(top_builddir)/gthread/libgthread-2.0.la
endif

272
gthread/tests/gwakeuptest.c
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@@ -1,272 +0,0 @@
#include <unistd.h>
#include <glib.h>
#include <glib/gwakeup.h>
#ifdef _WIN32
void alarm (int sec) { }
#endif
static gboolean
check_signaled (GWakeup *wakeup)
{
GPollFD fd;
g_wakeup_get_pollfd (wakeup, &fd);
return g_poll (&fd, 1, 0);
}
static void
wait_for_signaled (GWakeup *wakeup)
{
GPollFD fd;
g_wakeup_get_pollfd (wakeup, &fd);
g_poll (&fd, 1, -1);
}
static void
test_semantics (void)
{
GWakeup *wakeup;
gint i;
/* prevent the test from deadlocking */
alarm (30);
wakeup = g_wakeup_new ();
g_assert (!check_signaled (wakeup));
g_wakeup_signal (wakeup);
g_assert (check_signaled (wakeup));
g_wakeup_acknowledge (wakeup);
g_assert (!check_signaled (wakeup));
g_wakeup_free (wakeup);
/* free unused */
wakeup = g_wakeup_new ();
g_wakeup_free (wakeup);
/* free while signaled */
wakeup = g_wakeup_new ();
g_wakeup_signal (wakeup);
g_wakeup_free (wakeup);
/* ensure excessive signalling doesn't deadlock */
wakeup = g_wakeup_new ();
for (i = 0; i < 1000000; i++)
g_wakeup_signal (wakeup);
g_assert (check_signaled (wakeup));
/* ensure a single acknowledgement is sufficient */
g_wakeup_acknowledge (wakeup);
g_assert (!check_signaled (wakeup));
g_wakeup_free (wakeup);
/* cancel the alarm */
alarm (0);
}
struct token
{
gpointer owner;
gint ttl;
};
struct context
{
GSList *pending_tokens;
GMutex lock;
GWakeup *wakeup;
gboolean quit;
};
#define NUM_THREADS 50
#define NUM_TOKENS 5
#define TOKEN_TTL 100000
static struct context contexts[NUM_THREADS];
static GThread *threads[NUM_THREADS];
static GWakeup *last_token_wakeup;
static volatile gint tokens_alive;
static void
context_init (struct context *ctx)
{
ctx->pending_tokens = NULL;
g_mutex_init (&ctx->lock);
ctx->wakeup = g_wakeup_new ();
ctx->quit = FALSE;
}
static void
context_clear (struct context *ctx)
{
g_assert (ctx->pending_tokens == NULL);
g_assert (ctx->quit);
g_wakeup_free (ctx->wakeup);
}
static void
context_quit (struct context *ctx)
{
ctx->quit = TRUE;
g_wakeup_signal (ctx->wakeup);
}
static struct token *
context_pop_token (struct context *ctx)
{
struct token *token;
g_mutex_lock (&ctx->lock);
token = ctx->pending_tokens->data;
ctx->pending_tokens = g_slist_remove_link (ctx->pending_tokens,
ctx->pending_tokens);
g_mutex_unlock (&ctx->lock);
return token;
}
static void
context_push_token (struct context *ctx,
struct token *token)
{
g_assert (token->owner == ctx);
g_mutex_lock (&ctx->lock);
ctx->pending_tokens = g_slist_prepend (ctx->pending_tokens, token);
g_mutex_unlock (&ctx->lock);
g_wakeup_signal (ctx->wakeup);
}
static void
dispatch_token (struct token *token)
{
if (token->ttl > 0)
{
struct context *ctx;
gint next_ctx;
next_ctx = g_test_rand_int_range (0, NUM_THREADS);
ctx = &contexts[next_ctx];
token->owner = ctx;
token->ttl--;
context_push_token (ctx, token);
}
else
{
g_slice_free (struct token, token);
if (g_atomic_int_dec_and_test (&tokens_alive))
g_wakeup_signal (last_token_wakeup);
}
}
static struct token *
token_new (int ttl)
{
struct token *token;
token = g_slice_new (struct token);
token->ttl = ttl;
g_atomic_int_inc (&tokens_alive);
return token;
}
static gpointer
thread_func (gpointer data)
{
struct context *ctx = data;
while (!ctx->quit)
{
wait_for_signaled (ctx->wakeup);
g_wakeup_acknowledge (ctx->wakeup);
while (ctx->pending_tokens)
{
struct token *token;
token = context_pop_token (ctx);
g_assert (token->owner == ctx);
dispatch_token (token);
}
}
return NULL;
}
static void
test_threaded (void)
{
gint i;
/* make sure we don't block forever */
alarm (30);
/* simple mainloop test based on GWakeup.
*
* create a bunch of contexts and a thread to 'run' each one. create
* some tokens and randomly pass them between the threads, until the
* TTL on each token is zero.
*
* when no tokens are left, signal that we are done. the mainthread
* will then signal each worker thread to exit and join them to make
* sure that works.
*/
last_token_wakeup = g_wakeup_new ();
/* create contexts, assign to threads */
for (i = 0; i < NUM_THREADS; i++)
{
context_init (&contexts[i]);
threads[i] = g_thread_new ("test", thread_func, &contexts[i]);
}
/* dispatch tokens */
for (i = 0; i < NUM_TOKENS; i++)
dispatch_token (token_new (TOKEN_TTL));
/* wait until all tokens are gone */
wait_for_signaled (last_token_wakeup);
/* ask threads to quit, join them, cleanup */
for (i = 0; i < NUM_THREADS; i++)
{
context_quit (&contexts[i]);
g_thread_join (threads[i]);
context_clear (&contexts[i]);
}
g_wakeup_free (last_token_wakeup);
/* cancel alarm */
alarm (0);
}
int
main (int argc, char **argv)
{
g_test_init (&argc, &argv, NULL);
#ifdef TEST_EVENTFD_FALLBACK
#define TESTNAME_SUFFIX "-fallback"
#else
#define TESTNAME_SUFFIX
#endif
g_test_add_func ("/gwakeup/semantics" TESTNAME_SUFFIX, test_semantics);
g_test_add_func ("/gwakeup/threaded" TESTNAME_SUFFIX, test_threaded);
return g_test_run ();
}

236
gthread/tests/spawn-multithreaded.c
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@@ -1,236 +0,0 @@
/*
* Copyright (C) 2011 Red Hat, Inc.
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include <glib.h>
#include <string.h>
#define N_THREADS (100)
static char *echo_prog_path;
static void
multithreaded_test_run (GThreadFunc function)
{
int i;
GPtrArray *threads = g_ptr_array_new ();
for (i = 0; i < N_THREADS; i++)
{
GThread *thread;
thread = g_thread_new ("test", function, GINT_TO_POINTER (i));
g_ptr_array_add (threads, thread);
}
for (i = 0; i < N_THREADS; i++)
{
gpointer ret;
ret = g_thread_join (g_ptr_array_index (threads, i));
g_assert_cmpint (GPOINTER_TO_INT (ret), ==, i);
}
g_ptr_array_free (threads, TRUE);
}
static gpointer
test_spawn_sync_multithreaded_instance (gpointer data)
{
int tnum = GPOINTER_TO_INT (data);
GError *error = NULL;
GPtrArray *argv;
char *arg;
char *stdout_str;
int estatus;
arg = g_strdup_printf ("thread %d", tnum);
argv = g_ptr_array_new ();
g_ptr_array_add (argv, echo_prog_path);
g_ptr_array_add (argv, arg);
g_ptr_array_add (argv, NULL);
g_spawn_sync (NULL, (char**)argv->pdata, NULL, 0, NULL, NULL, &stdout_str, NULL, &estatus, &error);
g_assert_no_error (error);
g_assert_cmpstr (arg, ==, stdout_str);
g_free (arg);
g_free (stdout_str);
g_ptr_array_free (argv, TRUE);
return GINT_TO_POINTER (tnum);
}
static void
test_spawn_sync_multithreaded (void)
{
multithreaded_test_run (test_spawn_sync_multithreaded_instance);
}
typedef struct {
GMainLoop *loop;
gboolean child_exited;
gboolean stdout_done;
GString *stdout_buf;
} SpawnAsyncMultithreadedData;
static gboolean
on_child_exited (GPid pid,
gint status,
gpointer datap)
{
SpawnAsyncMultithreadedData *data = datap;
data->child_exited = TRUE;
if (data->child_exited && data->stdout_done)
g_main_loop_quit (data->loop);
return FALSE;
}
static gboolean
on_child_stdout (GIOChannel *channel,
GIOCondition condition,
gpointer datap)
{
char buf[1024];
GError *error = NULL;
gsize bytes_read;
GIOStatus status;
SpawnAsyncMultithreadedData *data = datap;
read:
status = g_io_channel_read_chars (channel, buf, sizeof (buf), &bytes_read, &error);
if (status == G_IO_STATUS_NORMAL)
{
g_string_append_len (data->stdout_buf, buf, (gssize) bytes_read);
if (bytes_read == sizeof (buf))
goto read;
}
else if (status == G_IO_STATUS_EOF)
{
g_string_append_len (data->stdout_buf, buf, (gssize) bytes_read);
data->stdout_done = TRUE;
}
else if (status == G_IO_STATUS_ERROR)
{
g_error ("Error reading from child stdin: %s", error->message);
}
if (data->child_exited && data->stdout_done)
g_main_loop_quit (data->loop);
return !data->stdout_done;
}
static gpointer
test_spawn_async_multithreaded_instance (gpointer thread_data)
{
int tnum = GPOINTER_TO_INT (thread_data);
GError *error = NULL;
GPtrArray *argv;
char *arg;
GPid pid;
GMainContext *context;
GMainLoop *loop;
GIOChannel *channel;
GSource *source;
int child_stdout_fd;
SpawnAsyncMultithreadedData data;
context = g_main_context_new ();
loop = g_main_loop_new (context, TRUE);
arg = g_strdup_printf ("thread %d", tnum);
argv = g_ptr_array_new ();
g_ptr_array_add (argv, echo_prog_path);
g_ptr_array_add (argv, arg);
g_ptr_array_add (argv, NULL);
g_spawn_async_with_pipes (NULL, (char**)argv->pdata, NULL, G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, NULL,
&child_stdout_fd, NULL, &error);
g_assert_no_error (error);
g_ptr_array_free (argv, TRUE);
data.loop = loop;
data.stdout_done = FALSE;
data.child_exited = FALSE;
data.stdout_buf = g_string_new (0);
source = g_child_watch_source_new (pid);
g_source_set_callback (source, (GSourceFunc)on_child_exited, &data, NULL);
g_source_attach (source, context);
g_source_unref (source);
channel = g_io_channel_unix_new (child_stdout_fd);
source = g_io_create_watch (channel, G_IO_IN | G_IO_HUP);
g_source_set_callback (source, (GSourceFunc)on_child_stdout, &data, NULL);
g_source_attach (source, context);
g_source_unref (source);
g_main_loop_run (loop);
g_assert (data.child_exited);
g_assert (data.stdout_done);
g_assert_cmpstr (data.stdout_buf->str, ==, arg);
g_string_free (data.stdout_buf, TRUE);
g_io_channel_unref (channel);
g_main_context_unref (context);
g_main_loop_unref (loop);
g_free (arg);
return GINT_TO_POINTER (tnum);
}
static void
test_spawn_async_multithreaded (void)
{
multithreaded_test_run (test_spawn_async_multithreaded_instance);
}
int
main (int argc,
char *argv[])
{
char *dirname;
g_test_init (&argc, &argv, NULL);
dirname = g_path_get_dirname (argv[0]);
echo_prog_path = g_build_filename (dirname, "test-spawn-echo", NULL);
if (!g_file_test (echo_prog_path, G_FILE_TEST_EXISTS))
{
g_free (echo_prog_path);
echo_prog_path = g_build_filename (dirname, "lt-test-spawn-echo", NULL);
}
g_free (dirname);
g_assert (g_file_test (echo_prog_path, G_FILE_TEST_EXISTS));
g_test_add_func ("/gthread/spawn-sync", test_spawn_sync_multithreaded);
g_test_add_func ("/gthread/spawn-async", test_spawn_async_multithreaded);
return g_test_run();
}

190
gthread/tests/spawn-singlethread.c
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@@ -1,190 +0,0 @@
/*
* Copyright (C) 2011 Red Hat, Inc.
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include <glib.h>
#include <string.h>
static char *echo_prog_path;
typedef struct {
GMainLoop *loop;
gboolean child_exited;
gboolean stdout_done;
GString *stdout_buf;
} SpawnAsyncMultithreadedData;
static gboolean
on_child_exited (GPid pid,
gint status,
gpointer datap)
{
SpawnAsyncMultithreadedData *data = datap;
data->child_exited = TRUE;
if (data->child_exited && data->stdout_done)
g_main_loop_quit (data->loop);
return FALSE;
}
static gboolean
on_child_stdout (GIOChannel *channel,
GIOCondition condition,
gpointer datap)
{
char buf[1024];
GError *error = NULL;
gsize bytes_read;
SpawnAsyncMultithreadedData *data = datap;
if (condition & G_IO_IN)
{
GIOStatus status;
status = g_io_channel_read_chars (channel, buf, sizeof (buf), &bytes_read, &error);
g_assert_no_error (error);
g_string_append_len (data->stdout_buf, buf, (gssize) bytes_read);
if (status == G_IO_STATUS_EOF)
data->stdout_done = TRUE;
}
if (condition & G_IO_HUP)
data->stdout_done = TRUE;
if (condition & G_IO_ERR)
g_error ("Error reading from child stdin");
if (data->child_exited && data->stdout_done)
g_main_loop_quit (data->loop);
return !data->stdout_done;
}
static void
test_spawn_async (void)
{
int tnum = 1;
GError *error = NULL;
GPtrArray *argv;
char *arg;
GPid pid;
GMainContext *context;
GMainLoop *loop;
GIOChannel *channel;
GSource *source;
int child_stdout_fd;
SpawnAsyncMultithreadedData data;
context = g_main_context_new ();
loop = g_main_loop_new (context, TRUE);
arg = g_strdup_printf ("thread %d", tnum);
argv = g_ptr_array_new ();
g_ptr_array_add (argv, echo_prog_path);
g_ptr_array_add (argv, arg);
g_ptr_array_add (argv, NULL);
g_spawn_async_with_pipes (NULL, (char**)argv->pdata, NULL, G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, NULL,
&child_stdout_fd, NULL, &error);
g_assert_no_error (error);
g_ptr_array_free (argv, TRUE);
data.loop = loop;
data.stdout_done = FALSE;
data.child_exited = FALSE;
data.stdout_buf = g_string_new (0);
source = g_child_watch_source_new (pid);
g_source_set_callback (source, (GSourceFunc)on_child_exited, &data, NULL);
g_source_attach (source, context);
g_source_unref (source);
channel = g_io_channel_unix_new (child_stdout_fd);
source = g_io_create_watch (channel, G_IO_IN | G_IO_HUP | G_IO_ERR);
g_source_set_callback (source, (GSourceFunc)on_child_stdout, &data, NULL);
g_source_attach (source, context);
g_source_unref (source);
g_main_loop_run (loop);
g_assert (data.child_exited);
g_assert (data.stdout_done);
g_assert_cmpstr (data.stdout_buf->str, ==, arg);
g_string_free (data.stdout_buf, TRUE);
g_io_channel_unref (channel);
g_main_context_unref (context);
g_main_loop_unref (loop);
g_free (arg);
}
static void
test_spawn_sync (void)
{
int tnum = 1;
GError *error = NULL;
GPtrArray *argv;
char *arg;
char *stdout_str;
int estatus;
arg = g_strdup_printf ("thread %d", tnum);
argv = g_ptr_array_new ();
g_ptr_array_add (argv, echo_prog_path);
g_ptr_array_add (argv, arg);
g_ptr_array_add (argv, NULL);
g_spawn_sync (NULL, (char**)argv->pdata, NULL, 0, NULL, NULL, &stdout_str, NULL, &estatus, &error);
g_assert_no_error (error);
g_assert_cmpstr (arg, ==, stdout_str);
g_free (arg);
g_free (stdout_str);
g_ptr_array_free (argv, TRUE);
}
int
main (int argc,
char *argv[])
{
char *dirname;
g_test_init (&argc, &argv, NULL);
dirname = g_path_get_dirname (argv[0]);
echo_prog_path = g_build_filename (dirname, "test-spawn-echo", NULL);
if (!g_file_test (echo_prog_path, G_FILE_TEST_EXISTS))
{
g_free (echo_prog_path);
echo_prog_path = g_build_filename (dirname, "lt-test-spawn-echo", NULL);
}
g_free (dirname);
g_assert (g_file_test (echo_prog_path, G_FILE_TEST_EXISTS));
g_test_add_func ("/gthread/spawn-single-sync", test_spawn_sync);
g_test_add_func ("/gthread/spawn-single-async", test_spawn_async);
return g_test_run();
}

39
gthread/tests/test-spawn-echo.c
View File

@@ -1,39 +0,0 @@
/*
* Copyright (C) 2011 Red Hat, Inc.
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include "glib.h"
int
main (int argc,
char *argv[])
{
int i;
for (i = 1; i < argc; i++)
{
g_print ("%s", argv[i]);
}
return 0;
}