xCAT/xcat-dep
2
0
Fork 0
mirror of https://github.com/xcat2/xcat-dep.git synced 2024-11-27 03:39:11 +00:00
Code Issues Projects Releases Wiki Activity
b49782536e
xcat-dep/libvirt/libvirt-destroyfix.patch

922 lines
27 KiB
Diff
Raw Blame History

diff -r d5dc15adcbea qemud/event.c
--- a/qemud/event.c Fri May 08 11:58:19 2009 +0100
+++ b/qemud/event.c Fri May 08 16:09:05 2009 +0100
@@ -30,7 +30,8 @@
#include <errno.h>
#include <unistd.h>
-#include "qemud.h"
+#include "threads.h"
+#include "logging.h"
#include "event.h"
#include "memory.h"
#include "util.h"
@@ -83,10 +84,10 @@ struct virEventLoop {
static struct virEventLoop eventLoop;
/* Unique ID for the next FD watch to be registered */
-static int nextWatch = 0;
+static int nextWatch = 1;
/* Unique ID for the next timer to be registered */
-static int nextTimer = 0;
+static int nextTimer = 1;
static void virEventLock(void)
{
@@ -142,15 +143,22 @@ int virEventAddHandleImpl(int fd, int ev
void virEventUpdateHandleImpl(int watch, int events) {
int i;
+ EVENT_DEBUG("Update handle w=%d e=%d", watch, events);
+
+ if (watch <= 0) {
+ VIR_WARN("Ignoring invalid update watch %d", watch);
+ return;
+ }
+
virEventLock();
for (i = 0 ; i < eventLoop.handlesCount ; i++) {
if (eventLoop.handles[i].watch == watch) {
eventLoop.handles[i].events =
virEventHandleTypeToPollEvent(events);
+ virEventInterruptLocked();
break;
}
}
- virEventInterruptLocked();
virEventUnlock();
}
@@ -163,6 +171,12 @@ void virEventUpdateHandleImpl(int watch,
int virEventRemoveHandleImpl(int watch) {
int i;
EVENT_DEBUG("Remove handle %d", watch);
+
+ if (watch <= 0) {
+ VIR_WARN("Ignoring invalid remove watch %d", watch);
+ return -1;
+ }
+
virEventLock();
for (i = 0 ; i < eventLoop.handlesCount ; i++) {
if (eventLoop.handles[i].deleted)
@@ -171,11 +185,11 @@ int virEventRemoveHandleImpl(int watch)
if (eventLoop.handles[i].watch == watch) {
EVENT_DEBUG("mark delete %d %d", i, eventLoop.handles[i].fd);
eventLoop.handles[i].deleted = 1;
+ virEventInterruptLocked();
virEventUnlock();
return 0;
}
}
- virEventInterruptLocked();
virEventUnlock();
return -1;
}
@@ -231,6 +245,12 @@ void virEventUpdateTimeoutImpl(int timer
struct timeval tv;
int i;
EVENT_DEBUG("Updating timer %d timeout with %d ms freq", timer, frequency);
+
+ if (timer <= 0) {
+ VIR_WARN("Ignoring invalid update timer %d", timer);
+ return;
+ }
+
if (gettimeofday(&tv, NULL) < 0) {
return;
}
@@ -243,10 +263,10 @@ void virEventUpdateTimeoutImpl(int timer
frequency >= 0 ? frequency +
(((unsigned long long)tv.tv_sec)*1000) +
(((unsigned long long)tv.tv_usec)/1000) : 0;
+ virEventInterruptLocked();
break;
}
}
- virEventInterruptLocked();
virEventUnlock();
}
@@ -259,6 +279,12 @@ void virEventUpdateTimeoutImpl(int timer
int virEventRemoveTimeoutImpl(int timer) {
int i;
EVENT_DEBUG("Remove timer %d", timer);
+
+ if (timer <= 0) {
+ VIR_WARN("Ignoring invalid remove timer %d", timer);
+ return -1;
+ }
+
virEventLock();
for (i = 0 ; i < eventLoop.timeoutsCount ; i++) {
if (eventLoop.timeouts[i].deleted)
@@ -266,11 +292,11 @@ int virEventRemoveTimeoutImpl(int timer)
if (eventLoop.timeouts[i].timer == timer) {
eventLoop.timeouts[i].deleted = 1;
+ virEventInterruptLocked();
virEventUnlock();
return 0;
}
}
- virEventInterruptLocked();
virEventUnlock();
return -1;
}
@@ -287,7 +313,7 @@ static int virEventCalculateTimeout(int
EVENT_DEBUG("Calculate expiry of %d timers", eventLoop.timeoutsCount);
/* Figure out if we need a timeout */
for (i = 0 ; i < eventLoop.timeoutsCount ; i++) {
- if (eventLoop.timeouts[i].deleted || eventLoop.timeouts[i].frequency < 0)
+ if (eventLoop.timeouts[i].frequency < 0)
continue;
EVENT_DEBUG("Got a timeout scheduled for %llu", eventLoop.timeouts[i].expiresAt);
@@ -324,32 +350,26 @@ static int virEventCalculateTimeout(int
* file handles. The caller must free the returned data struct
* returns: the pollfd array, or NULL on error
*/
-static int virEventMakePollFDs(struct pollfd **retfds) {
+static struct pollfd *virEventMakePollFDs(void) {
struct pollfd *fds;
- int i, nfds = 0;
+ int i;
+
+ /* Setup the poll file handle data structs */
+ if (VIR_ALLOC_N(fds, eventLoop.handlesCount) < 0)
+ return NULL;
for (i = 0 ; i < eventLoop.handlesCount ; i++) {
- if (eventLoop.handles[i].deleted)
- continue;
- nfds++;
- }
- *retfds = NULL;
- /* Setup the poll file handle data structs */
- if (VIR_ALLOC_N(fds, nfds) < 0)
- return -1;
-
- for (i = 0, nfds = 0 ; i < eventLoop.handlesCount ; i++) {
- if (eventLoop.handles[i].deleted)
- continue;
- fds[nfds].fd = eventLoop.handles[i].fd;
- fds[nfds].events = eventLoop.handles[i].events;
- fds[nfds].revents = 0;
+ EVENT_DEBUG("Prepare n=%d w=%d, f=%d e=%d", i,
+ eventLoop.handles[i].watch,
+ eventLoop.handles[i].fd,
+ eventLoop.handles[i].events);
+ fds[i].fd = eventLoop.handles[i].fd;
+ fds[i].events = eventLoop.handles[i].events;
+ fds[i].revents = 0;
//EVENT_DEBUG("Wait for %d %d", eventLoop.handles[i].fd, eventLoop.handles[i].events);
- nfds++;
}
- *retfds = fds;
- return nfds;
+ return fds;
}
@@ -409,26 +429,30 @@ static int virEventDispatchTimeouts(void
* Returns 0 upon success, -1 if an error occurred
*/
static int virEventDispatchHandles(int nfds, struct pollfd *fds) {
- int i, n;
+ int i;
- for (i = 0, n = 0 ; i < eventLoop.handlesCount && n < nfds ; i++) {
+ /* NB, use nfds not eventLoop.handlesCount, because new
+ * fds might be added on end of list, and they're not
+ * in the fds array we've got */
+ for (i = 0 ; i < nfds ; i++) {
if (eventLoop.handles[i].deleted) {
- EVENT_DEBUG("Skip deleted %d", eventLoop.handles[i].fd);
+ EVENT_DEBUG("Skip deleted n=%d w=%d f=%d", i,
+ eventLoop.handles[i].watch, eventLoop.handles[i].fd);
continue;
}
- if (fds[n].revents) {
+ if (fds[i].revents) {
virEventHandleCallback cb = eventLoop.handles[i].cb;
void *opaque = eventLoop.handles[i].opaque;
- int hEvents = virPollEventToEventHandleType(fds[n].revents);
- EVENT_DEBUG("Dispatch %d %d %p", fds[n].fd,
- fds[n].revents, eventLoop.handles[i].opaque);
+ int hEvents = virPollEventToEventHandleType(fds[i].revents);
+ EVENT_DEBUG("Dispatch n=%d f=%d w=%d e=%d %p", i,
+ fds[i].fd, eventLoop.handles[i].watch,
+ fds[i].revents, eventLoop.handles[i].opaque);
virEventUnlock();
(cb)(eventLoop.handles[i].watch,
- fds[n].fd, hEvents, opaque);
+ fds[i].fd, hEvents, opaque);
virEventLock();
}
- n++;
}
return 0;
@@ -519,22 +543,21 @@ static int virEventCleanupHandles(void)
* at least one file handle has an event, or a timer expires
*/
int virEventRunOnce(void) {
- struct pollfd *fds;
+ struct pollfd *fds = NULL;
int ret, timeout, nfds;
virEventLock();
eventLoop.running = 1;
eventLoop.leader = pthread_self();
- if ((nfds = virEventMakePollFDs(&fds)) < 0) {
- virEventUnlock();
- return -1;
- }
- if (virEventCalculateTimeout(&timeout) < 0) {
- VIR_FREE(fds);
- virEventUnlock();
- return -1;
- }
+ if (virEventCleanupTimeouts() < 0 ||
+ virEventCleanupHandles() < 0)
+ goto error;
+
+ if (!(fds = virEventMakePollFDs()) ||
+ virEventCalculateTimeout(&timeout) < 0)
+ goto error;
+ nfds = eventLoop.handlesCount;
virEventUnlock();
@@ -546,38 +569,31 @@ int virEventRunOnce(void) {
if (errno == EINTR) {
goto retry;
}
- VIR_FREE(fds);
- return -1;
+ goto error_unlocked;
}
virEventLock();
- if (virEventDispatchTimeouts() < 0) {
- VIR_FREE(fds);
- virEventUnlock();
- return -1;
- }
+ if (virEventDispatchTimeouts() < 0)
+ goto error;
if (ret > 0 &&
- virEventDispatchHandles(nfds, fds) < 0) {
- VIR_FREE(fds);
- virEventUnlock();
- return -1;
- }
- VIR_FREE(fds);
+ virEventDispatchHandles(nfds, fds) < 0)
+ goto error;
- if (virEventCleanupTimeouts() < 0) {
- virEventUnlock();
- return -1;
- }
-
- if (virEventCleanupHandles() < 0) {
- virEventUnlock();
- return -1;
- }
+ if (virEventCleanupTimeouts() < 0 ||
+ virEventCleanupHandles() < 0)
+ goto error;
eventLoop.running = 0;
virEventUnlock();
+ VIR_FREE(fds);
return 0;
+
+error:
+ virEventUnlock();
+error_unlocked:
+ VIR_FREE(fds);
+ return -1;
}
static void virEventHandleWakeup(int watch ATTRIBUTE_UNUSED,
@@ -597,10 +613,10 @@ int virEventInit(void)
return -1;
if (pipe(eventLoop.wakeupfd) < 0 ||
- qemudSetNonBlock(eventLoop.wakeupfd[0]) < 0 ||
- qemudSetNonBlock(eventLoop.wakeupfd[1]) < 0 ||
- qemudSetCloseExec(eventLoop.wakeupfd[0]) < 0 ||
- qemudSetCloseExec(eventLoop.wakeupfd[1]) < 0)
+ virSetNonBlock(eventLoop.wakeupfd[0]) < 0 ||
+ virSetNonBlock(eventLoop.wakeupfd[1]) < 0 ||
+ virSetCloseExec(eventLoop.wakeupfd[0]) < 0 ||
+ virSetCloseExec(eventLoop.wakeupfd[1]) < 0)
return -1;
if (virEventAddHandleImpl(eventLoop.wakeupfd[0],
@@ -616,9 +632,12 @@ static int virEventInterruptLocked(void)
char c = '\0';
if (!eventLoop.running ||
- pthread_self() == eventLoop.leader)
+ pthread_self() == eventLoop.leader) {
+ VIR_DEBUG("Skip interrupt, %d %d", eventLoop.running, (int)eventLoop.leader);
return 0;
+ }
+ VIR_DEBUG0("Interrupting");
if (safewrite(eventLoop.wakeupfd[1], &c, sizeof(c)) != sizeof(c))
return -1;
return 0;
diff -r d5dc15adcbea qemud/qemud.c
--- a/qemud/qemud.c Fri May 08 11:58:19 2009 +0100
+++ b/qemud/qemud.c Fri May 08 16:09:05 2009 +0100
@@ -371,32 +371,6 @@ qemudDispatchSignalEvent(int watch ATTRI
virMutexUnlock(&server->lock);
}
-int qemudSetCloseExec(int fd) {
- int flags;
- if ((flags = fcntl(fd, F_GETFD)) < 0)
- goto error;
- flags |= FD_CLOEXEC;
- if ((fcntl(fd, F_SETFD, flags)) < 0)
- goto error;
- return 0;
- error:
- VIR_ERROR0(_("Failed to set close-on-exec file descriptor flag"));
- return -1;
-}
-
-
-int qemudSetNonBlock(int fd) {
- int flags;
- if ((flags = fcntl(fd, F_GETFL)) < 0)
- goto error;
- flags |= O_NONBLOCK;
- if ((fcntl(fd, F_SETFL, flags)) < 0)
- goto error;
- return 0;
- error:
- VIR_ERROR0(_("Failed to set non-blocking file descriptor flag"));
- return -1;
-}
static int qemudGoDaemon(void) {
int pid = fork();
@@ -525,8 +499,8 @@ static int qemudListenUnix(struct qemud_
goto cleanup;
}
- if (qemudSetCloseExec(sock->fd) < 0 ||
- qemudSetNonBlock(sock->fd) < 0)
+ if (virSetCloseExec(sock->fd) < 0 ||
+ virSetNonBlock(sock->fd) < 0)
goto cleanup;
memset(&addr, 0, sizeof(addr));
@@ -687,8 +661,8 @@ remoteListenTCP (struct qemud_server *se
else
sock->port = -1;
- if (qemudSetCloseExec(sock->fd) < 0 ||
- qemudSetNonBlock(sock->fd) < 0)
+ if (virSetCloseExec(sock->fd) < 0 ||
+ virSetNonBlock(sock->fd) < 0)
goto cleanup;
if (listen (sock->fd, 30) < 0) {
@@ -1273,8 +1247,8 @@ static int qemudDispatchServer(struct qe
setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, (void *)&no_slow_start,
sizeof no_slow_start);
- if (qemudSetCloseExec(fd) < 0 ||
- qemudSetNonBlock(fd) < 0) {
+ if (virSetCloseExec(fd) < 0 ||
+ virSetNonBlock(fd) < 0) {
close(fd);
return -1;
}
@@ -2872,10 +2846,10 @@ int main(int argc, char **argv) {
goto error1;
if (pipe(sigpipe) < 0 ||
- qemudSetNonBlock(sigpipe[0]) < 0 ||
- qemudSetNonBlock(sigpipe[1]) < 0 ||
- qemudSetCloseExec(sigpipe[0]) < 0 ||
- qemudSetCloseExec(sigpipe[1]) < 0) {
+ virSetNonBlock(sigpipe[0]) < 0 ||
+ virSetNonBlock(sigpipe[1]) < 0 ||
+ virSetCloseExec(sigpipe[0]) < 0 ||
+ virSetCloseExec(sigpipe[1]) < 0) {
char ebuf[1024];
VIR_ERROR(_("Failed to create pipe: %s"),
virStrerror(errno, ebuf, sizeof ebuf));
diff -r d5dc15adcbea qemud/qemud.h
--- a/qemud/qemud.h Fri May 08 11:58:19 2009 +0100
+++ b/qemud/qemud.h Fri May 08 16:09:05 2009 +0100
@@ -198,9 +198,6 @@ void qemudLog(int priority, const char *
ATTRIBUTE_FORMAT(printf,2,3);
-int qemudSetCloseExec(int fd);
-int qemudSetNonBlock(int fd);
-
int
remoteDispatchClientRequest (struct qemud_server *server,
struct qemud_client *client,
diff -r d5dc15adcbea tests/Makefile.am
--- a/tests/Makefile.am Fri May 08 11:58:19 2009 +0100
+++ b/tests/Makefile.am Fri May 08 16:09:05 2009 +0100
@@ -125,6 +125,11 @@ if WITH_SECDRIVER_SELINUX
TESTS += seclabeltest
endif
+if WITH_LIBVIRTD
+noinst_PROGRAMS += eventtest
+TESTS += eventtest
+endif
+
TESTS += nodedevxml2xmltest
path_add = $$abs_top_builddir/src$(PATH_SEPARATOR)$$abs_top_builddir/qemud
@@ -226,4 +231,10 @@ qparamtest_SOURCES = \
qparamtest.c testutils.h testutils.c
qparamtest_LDADD = $(LDADDS)
+if WITH_LIBVIRTD
+eventtest_SOURCES = \
+ eventtest.c testutils.h testutils.c ../qemud/event.c
+eventtest_LDADD = -lrt $(LDADDS)
+endif
+
CLEANFILES = *.cov *.gcov .libs/*.gcda .libs/*.gcno *.gcno *.gcda
diff -r d5dc15adcbea tests/eventtest.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/eventtest.c Fri May 08 16:09:05 2009 +0100
@@ -0,0 +1,444 @@
+/*
+ * eventtest.c: Test the libvirtd event loop impl
+ *
+ * Copyright (C) 2009 Red Hat, Inc.
+ *
+ * This library 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 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Daniel P. Berrange <berrange@redhat.com>
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <signal.h>
+#include <time.h>
+
+#include "testutils.h"
+#include "internal.h"
+#include "threads.h"
+#include "logging.h"
+#include "../qemud/event.h"
+
+#define NUM_FDS 5
+#define NUM_TIME 5
+
+static struct handleInfo {
+ int pipeFD[2];
+ int fired;
+ int watch;
+ int error;
+ int delete;
+} handles[NUM_FDS];
+
+static struct timerInfo {
+ int timeout;
+ int timer;
+ int fired;
+ int error;
+ int delete;
+} timers[NUM_TIME];
+
+enum {
+ EV_ERROR_NONE,
+ EV_ERROR_WATCH,
+ EV_ERROR_FD,
+ EV_ERROR_EVENT,
+ EV_ERROR_DATA,
+};
+
+static void
+testPipeReader(int watch, int fd, int events, void *data)
+{
+ struct handleInfo *info = data;
+ char one;
+
+ info->fired = 1;
+
+ if (watch != info->watch) {
+ info->error = EV_ERROR_WATCH;
+ return;
+ }
+
+ if (fd != info->pipeFD[0]) {
+ info->error = EV_ERROR_FD;
+ return;
+ }
+
+ if (!(events & VIR_EVENT_HANDLE_READABLE)) {
+ info->error = EV_ERROR_EVENT;
+ return;
+ }
+ if (read(fd, &one, 1) != 1) {
+ info->error = EV_ERROR_DATA;
+ return;
+ }
+ info->error = EV_ERROR_NONE;
+
+ if (info->delete != -1)
+ virEventRemoveHandleImpl(info->delete);
+}
+
+
+static void
+testTimer(int timer, void *data)
+{
+ struct timerInfo *info = data;
+
+ info->fired = 1;
+
+ if (timer != info->timer) {
+ info->error = EV_ERROR_WATCH;
+ return;
+ }
+
+ info->error = EV_ERROR_NONE;
+
+ if (info->delete != -1)
+ virEventRemoveTimeoutImpl(info->delete);
+}
+
+static pthread_mutex_t eventThreadMutex = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t eventThreadRunCond = PTHREAD_COND_INITIALIZER;
+static int eventThreadRunOnce = 0;
+static pthread_cond_t eventThreadJobCond = PTHREAD_COND_INITIALIZER;
+static int eventThreadJobDone = 0;
+
+
+static void *eventThreadLoop(void *data ATTRIBUTE_UNUSED) {
+ while (1) {
+ pthread_mutex_lock(&eventThreadMutex);
+ while (!eventThreadRunOnce) {
+ pthread_cond_wait(&eventThreadRunCond, &eventThreadMutex);
+ }
+ eventThreadRunOnce = 0;
+ pthread_mutex_unlock(&eventThreadMutex);
+
+ virEventRunOnce();
+
+ pthread_mutex_lock(&eventThreadMutex);
+ eventThreadJobDone = 1;
+ pthread_cond_signal(&eventThreadJobCond);
+ pthread_mutex_unlock(&eventThreadMutex);
+ }
+}
+
+
+static int
+verifyFired(int handle, int timer)
+{
+ int handleFired = 0;
+ int timerFired = 0;
+ int i;
+ for (i = 0 ; i < NUM_FDS ; i++) {
+ if (handles[i].fired) {
+ if (i != handle) {
+ fprintf(stderr, "FAIL Handle %d fired, but expected %d\n", i, handle);
+ return EXIT_FAILURE;
+ } else {
+ if (handles[i].error != EV_ERROR_NONE) {
+ fprintf(stderr, "FAIL Handle %d fired, but had error %d\n", i,
+ handles[i].error);
+ return EXIT_FAILURE;
+ }
+ handleFired = 1;
+ }
+ } else {
+ if (i == handle) {
+ fprintf(stderr, "FAIL Handle %d should have fired, but didn't\n", handle);
+ return EXIT_FAILURE;
+ }
+ }
+ }
+ if (handleFired != 1 && handle != -1) {
+ fprintf(stderr, "FAIL Something wierd happened, expecting handle %d\n", handle);
+ return EXIT_FAILURE;
+ }
+
+
+ for (i = 0 ; i < NUM_TIME ; i++) {
+ if (timers[i].fired) {
+ if (i != timer) {
+ fprintf(stderr, "FAIL Timer %d fired, but expected %d\n", i, timer);
+ return EXIT_FAILURE;
+ } else {
+ if (timers[i].error != EV_ERROR_NONE) {
+ fprintf(stderr, "FAIL Timer %d fired, but had error %d\n", i,
+ timers[i].error);
+ return EXIT_FAILURE;
+ }
+ timerFired = 1;
+ }
+ } else {
+ if (i == timer) {
+ fprintf(stderr, "FAIL Timer %d should have fired, but didn't\n", timer);
+ return EXIT_FAILURE;
+ }
+ }
+ }
+ if (timerFired != 1 && timer != -1) {
+ fprintf(stderr, "FAIL Something wierd happened, expecting timer %d\n", timer);
+ return EXIT_FAILURE;
+ }
+ return EXIT_SUCCESS;
+}
+
+static void
+startJob(const char *msg, int *test)
+{
+ fprintf(stderr, "%2d: %s ", (*test)++, msg);
+ eventThreadRunOnce = 1;
+ eventThreadJobDone = 0;
+ pthread_cond_signal(&eventThreadRunCond);
+ pthread_mutex_unlock(&eventThreadMutex);
+ sched_yield();
+ pthread_mutex_lock(&eventThreadMutex);
+}
+
+static int
+finishJob(int handle, int timer)
+{
+ struct timespec waitTime;
+ int rc;
+ clock_gettime(CLOCK_REALTIME, &waitTime);
+ waitTime.tv_sec += 5;
+ rc = 0;
+ while (!eventThreadJobDone && rc == 0)
+ rc = pthread_cond_timedwait(&eventThreadJobCond, &eventThreadMutex, &waitTime);
+ if (rc != 0) {
+ fprintf(stderr, "FAIL Timed out waiting for pipe event\n");
+ return EXIT_FAILURE;
+ }
+
+ if (verifyFired(handle, timer) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+
+ fprintf(stderr, "OK\n");
+ return EXIT_SUCCESS;
+}
+
+static void
+resetAll(void)
+{
+ int i;
+ for (i = 0 ; i < NUM_FDS ; i++) {
+ handles[i].fired = 0;
+ handles[i].error = EV_ERROR_NONE;
+ }
+ for (i = 0 ; i < NUM_TIME ; i++) {
+ timers[i].fired = 0;
+ timers[i].error = EV_ERROR_NONE;
+ }
+}
+
+static int
+mymain(int argc, char **argv)
+{
+ int ret = 0;
+ char *progname;
+ int i;
+ pthread_t eventThread;
+ char one = '1';
+ int test = 1;
+
+ progname = argv[0];
+
+ if (argc > 1) {
+ fprintf(stderr, "Usage: %s\n", progname);
+ return EXIT_FAILURE;
+ }
+
+ for (i = 0 ; i < NUM_FDS ; i++) {
+ if (pipe(handles[i].pipeFD) < 0) {
+ fprintf(stderr, "Cannot create pipe: %d", errno);
+ return EXIT_FAILURE;
+ }
+ }
+
+ if (virThreadInitialize() < 0)
+ return EXIT_FAILURE;
+ char *debugEnv = getenv("LIBVIRT_DEBUG");
+ if (debugEnv && *debugEnv && *debugEnv != '0') {
+ if (STREQ(debugEnv, "2") || STREQ(debugEnv, "info"))
+ virLogSetDefaultPriority(VIR_LOG_INFO);
+ else if (STREQ(debugEnv, "3") || STREQ(debugEnv, "warning"))
+ virLogSetDefaultPriority(VIR_LOG_WARN);
+ else if (STREQ(debugEnv, "4") || STREQ(debugEnv, "error"))
+ virLogSetDefaultPriority(VIR_LOG_ERROR);
+ else
+ virLogSetDefaultPriority(VIR_LOG_DEBUG);
+ }
+
+ virEventInit();
+
+ for (i = 0 ; i < NUM_FDS ; i++) {
+ handles[i].delete = -1;
+ handles[i].watch =
+ virEventAddHandleImpl(handles[i].pipeFD[0],
+ VIR_EVENT_HANDLE_READABLE,
+ testPipeReader,
+ &handles[i], NULL);
+ }
+
+ for (i = 0 ; i < NUM_TIME ; i++) {
+ timers[i].delete = -1;
+ timers[i].timeout = -1;
+ timers[i].timer =
+ virEventAddTimeoutImpl(timers[i].timeout,
+ testTimer,
+ &timers[i], NULL);
+ }
+
+ pthread_create(&eventThread, NULL, eventThreadLoop, NULL);
+
+ pthread_mutex_lock(&eventThreadMutex);
+
+ /* First time, is easy - just try triggering one of our
+ * registered handles */
+ startJob("Simple write", &test);
+ ret = write(handles[1].pipeFD[1], &one, 1);
+ if (finishJob(1, -1) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+
+ resetAll();
+
+ /* Now lets delete one before starting poll(), and
+ * try triggering another handle */
+ virEventRemoveHandleImpl(handles[0].watch);
+ startJob("Deleted before poll", &test);
+ ret = write(handles[1].pipeFD[1], &one, 1);
+ if (finishJob(1, -1) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+
+ resetAll();
+
+ /* Next lets delete *during* poll, which should interrupt
+ * the loop with no event showing */
+
+ /* NB: this case is subject to a bit of a race condition.
+ * We yield & sleep, and pray that the other thread gets
+ * scheduled before we run EventRemoveHandleImpl */
+ startJob("Interrupted during poll", &test);
+ pthread_mutex_unlock(&eventThreadMutex);
+ sched_yield();
+ usleep(100 * 1000);
+ pthread_mutex_lock(&eventThreadMutex);
+ virEventRemoveHandleImpl(handles[1].watch);
+ if (finishJob(-1, -1) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+
+ resetAll();
+
+ /* Getting more fun, lets delete a later handle during dispatch */
+
+ /* NB: this case is subject to a bit of a race condition.
+ * Only 1 time in 3 does the 2nd write get triggered by
+ * before poll() exits for the first write(). We don't
+ * see a hard failure in other cases, so nothing to worry
+ * about */
+ startJob("Deleted during dispatch", &test);
+ handles[2].delete = handles[3].watch;
+ ret = write(handles[2].pipeFD[1], &one, 1);
+ ret = write(handles[3].pipeFD[1], &one, 1);
+ if (finishJob(2, -1) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+
+ resetAll();
+
+ /* Extreme fun, lets delete ourselves during dispatch */
+ startJob("Deleted during dispatch", &test);
+ handles[2].delete = handles[2].watch;
+ ret = write(handles[2].pipeFD[1], &one, 1);
+ if (finishJob(2, -1) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+
+ resetAll();
+
+
+
+ /* Run a timer on its own */
+ virEventUpdateTimeoutImpl(timers[1].timer, 100);
+ startJob("Firing a timer", &test);
+ if (finishJob(-1, 1) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+ virEventUpdateTimeoutImpl(timers[1].timer, -1);
+
+ resetAll();
+
+ /* Now lets delete one before starting poll(), and
+ * try triggering another timer */
+ virEventUpdateTimeoutImpl(timers[1].timer, 100);
+ virEventRemoveTimeoutImpl(timers[0].timer);
+ startJob("Deleted before poll", &test);
+ if (finishJob(-1, 1) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+ virEventUpdateTimeoutImpl(timers[1].timer, -1);
+
+ resetAll();
+
+ /* Next lets delete *during* poll, which should interrupt
+ * the loop with no event showing */
+
+ /* NB: this case is subject to a bit of a race condition.
+ * We yield & sleep, and pray that the other thread gets
+ * scheduled before we run EventRemoveTimeoutImpl */
+ startJob("Interrupted during poll", &test);
+ pthread_mutex_unlock(&eventThreadMutex);
+ sched_yield();
+ usleep(100 * 1000);
+ pthread_mutex_lock(&eventThreadMutex);
+ virEventRemoveTimeoutImpl(timers[1].timer);
+ if (finishJob(-1, -1) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+
+ resetAll();
+
+ /* Getting more fun, lets delete a later timer during dispatch */
+
+ /* NB: this case is subject to a bit of a race condition.
+ * Only 1 time in 3 does the 2nd write get triggered by
+ * before poll() exits for the first write(). We don't
+ * see a hard failure in other cases, so nothing to worry
+ * about */
+ virEventUpdateTimeoutImpl(timers[2].timer, 100);
+ virEventUpdateTimeoutImpl(timers[3].timer, 100);
+ startJob("Deleted during dispatch", &test);
+ timers[2].delete = timers[3].timer;
+ if (finishJob(-1, 2) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+ virEventUpdateTimeoutImpl(timers[2].timer, -1);
+
+ resetAll();
+
+ /* Extreme fun, lets delete ourselves during dispatch */
+ virEventUpdateTimeoutImpl(timers[2].timer, 100);
+ startJob("Deleted during dispatch", &test);
+ timers[2].delete = timers[2].timer;
+ if (finishJob(-1, 2) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+
+ for (i = 0 ; i < NUM_FDS ; i++)
+ virEventRemoveHandleImpl(handles[i].watch);
+ for (i = 0 ; i < NUM_TIME ; i++)
+ virEventRemoveTimeoutImpl(timers[i].timer);
+
+
+ //pthread_kill(eventThread, SIGTERM);
+
+ return EXIT_SUCCESS;
+}
+
+
+VIRT_TEST_MAIN(mymain)
diff -r d5dc15adcbea tests/testutils.h
--- a/tests/testutils.h Fri May 08 11:58:19 2009 +0100
+++ b/tests/testutils.h Fri May 08 16:09:05 2009 +0100
@@ -11,6 +11,8 @@
#ifndef __VIT_TEST_UTILS_H__
#define __VIT_TEST_UTILS_H__
+#include <stdio.h>
+
double virtTestCountAverage(double *items,
int nitems);
Reference in New Issue View Git Blame Copy Permalink