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test/dri2-race: Add a set of races against Client death

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Try terminating the client using XKillClient and seeing if we can find
any races with Client shutdown.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2016-02-10 11:00:28 +00:00
parent 3aab368412
commit de7407d207
1 changed files with 187 additions and 4 deletions
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191
test/dri2-race.c
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@@ -16,6 +16,7 @@
#include <xf86drm.h>
#include <drm.h>
#include <setjmp.h>
#include "dri2.h"
@@ -24,6 +25,30 @@
#define N_DIVISORS 3
static const int divisors[N_DIVISORS] = { 0, 1, 16 };
static jmp_buf error_handler[4];
static int have_error_handler;
#define error_get() \
setjmp(error_handler[have_error_handler++])
#define error_put() \
have_error_handler--
static int (*saved_io_error)(Display *dpy);
static int io_error(Display *dpy)
{
if (have_error_handler)
longjmp(error_handler[--have_error_handler], 0);
return saved_io_error(dpy);
}
static int x_error(Display *dpy, XErrorEvent *e)
{
return Success;
}
static uint32_t upper_32_bits(uint64_t val)
{
return val >> 32;
@@ -305,9 +330,9 @@ static void race_manager(Display *dpy, int width, int height,
XCloseDisplay(mgr);
}
static void race_client(int width, int height,
unsigned int *attachments, int nattachments,
const char *name)
static void race_close(int width, int height,
unsigned int *attachments, int nattachments,
const char *name)
{
XSetWindowAttributes attr;
int count, loop, n;
@@ -409,6 +434,155 @@ static void race_client(int width, int height,
}
}
static void race_client(int width, int height,
unsigned int *attachments, int nattachments,
const char *name)
{
Display *mgr = XOpenDisplay(NULL);
XSetWindowAttributes attr;
int count, loop, n;
printf("%s(%s)\n", __func__, name);
/* Be nasty and install a fullscreen window on top so that we
* can guarantee we do not get clipped by children.
*/
attr.override_redirect = 1;
for (n = 0; n < N_DIVISORS; n++) {
printf("DRI2SwapBuffers(divisor=%d)", divisors[n]);
loop = 100;
do {
Display *dpy;
Window win;
if (error_get()) {
printf("+"); fflush(stdout);
continue;
}
dpy = XOpenDisplay(NULL);
win = XCreateWindow(dpy, DefaultRootWindow(dpy),
0, 0, width, height, 0,
DefaultDepth(dpy, DefaultScreen(dpy)),
InputOutput,
DefaultVisual(dpy, DefaultScreen(dpy)),
CWOverrideRedirect, &attr);
XMapWindow(dpy, win);
DRI2CreateDrawable(dpy, win);
free(DRI2GetBuffers(dpy, win, &width, &height,
attachments, nattachments, &count));
if (count != nattachments)
return;
for (count = 0; count < loop; count++)
DRI2SwapBuffers(dpy, win, 0, divisors[n], count & (divisors[n]-1));
XFlush(dpy);
XKillClient(mgr, win);
XFlush(mgr);
XCloseDisplay(dpy);
printf("."); fflush(stdout);
error_put();
} while (--loop);
printf("*\n");
}
for (n = 0; n < N_DIVISORS; n++) {
printf("xcb_dri2_swap_buffers(divisor=%d)", divisors[n]);
loop = 100;
do {
Display *dpy;
Window win;
if (error_get()) {
printf("+"); fflush(stdout);
continue;
}
dpy = XOpenDisplay(NULL);
win = XCreateWindow(dpy, DefaultRootWindow(dpy),
0, 0, width, height, 0,
DefaultDepth(dpy, DefaultScreen(dpy)),
InputOutput,
DefaultVisual(dpy, DefaultScreen(dpy)),
CWOverrideRedirect, &attr);
XMapWindow(dpy, win);
DRI2CreateDrawable(dpy, win);
free(DRI2GetBuffers(dpy, win, &width, &height,
attachments, nattachments, &count));
if (count != nattachments)
return;
for (count = 0; count < loop; count++)
swap_buffers(dpy, win, divisors[n], attachments, nattachments);
XFlush(dpy);
XKillClient(mgr, win);
XFlush(mgr);
XCloseDisplay(dpy);
printf("."); fflush(stdout);
error_put();
} while (--loop);
printf("*\n");
}
for (n = 0; n < N_DIVISORS; n++) {
printf("DRI2WaitMsc(divisor=%d)", divisors[n]);
loop = 100;
do {
uint64_t ignore, msc;
Display *dpy;
xcb_connection_t *c;
Window win;
if (error_get()) {
printf("+"); fflush(stdout);
continue;
}
dpy = XOpenDisplay(NULL);
win = XCreateWindow(dpy, DefaultRootWindow(dpy),
0, 0, width, height, 0,
DefaultDepth(dpy, DefaultScreen(dpy)),
InputOutput,
DefaultVisual(dpy, DefaultScreen(dpy)),
CWOverrideRedirect, &attr);
XMapWindow(dpy, win);
DRI2CreateDrawable(dpy, win);
DRI2GetMSC(dpy, win, &ignore, &msc, &ignore);
c = XGetXCBConnection(dpy);
msc++;
for (count = 0; count < loop; count++) {
xcb_discard_reply(c,
xcb_dri2_wait_msc(c, win,
upper_32_bits(msc),
lower_32_bits(msc),
0, 1, 0, 0).sequence);
msc += divisors[n];
}
XFlush(dpy);
XKillClient(mgr, win);
XFlush(mgr);
XCloseDisplay(dpy);
printf("."); fflush(stdout);
error_put();
} while (--loop);
printf("*\n");
}
XCloseDisplay(mgr);
}
int main(void)
{
Display *dpy;
@@ -418,7 +592,10 @@ int main(void)
DRI2BufferFrontLeft,
};
dpy = XOpenDisplay (NULL);
saved_io_error = XSetIOErrorHandler(io_error);
XSetErrorHandler(x_error);
dpy = XOpenDisplay(NULL);
if (dpy == NULL)
return 77;
@@ -434,6 +611,9 @@ int main(void)
race_manager(dpy, width, height, attachments, 1, "fullscreen");
race_manager(dpy, width, height, attachments, 2, "fullscreen (with front)");
race_close(width, height, attachments, 1, "fullscreen");
race_close(width, height, attachments, 2, "fullscreen (with front)");
race_client(width, height, attachments, 1, "fullscreen");
race_client(width, height, attachments, 2, "fullscreen (with front)");
@@ -445,6 +625,9 @@ int main(void)
race_manager(dpy, width, height, attachments, 1, "windowed");
race_manager(dpy, width, height, attachments, 2, "windowed (with front)");
race_close(width, height, attachments, 1, "windowed");
race_close(width, height, attachments, 2, "windowed (with front)");
race_client(width, height, attachments, 1, "windowed");
race_client(width, height, attachments, 2, "windowed (with front)");