Merge branch 'server-1.5-branch' into xorg-server-1.5-apple

This commit is contained in:
Jeremy Huddleston 2008-10-28 22:18:18 -07:00
commit 996e509436
10 changed files with 225 additions and 180 deletions

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@ -110,7 +110,7 @@ static const char GLServerExtensions[] =
"GL_EXT_texture_env_add "
"GL_EXT_texture_env_combine "
"GL_EXT_texture_env_dot3 "
"GL_EXT_texture_filter_ansiotropic "
"GL_EXT_texture_filter_anisotropic "
"GL_EXT_texture_lod "
"GL_EXT_texture_lod_bias "
"GL_EXT_texture_mirror_clamp "

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@ -1295,7 +1295,7 @@ KdParsePointer (char *arg)
return NULL;
pi->emulateMiddleButton = kdEmulateMiddleButton;
pi->transformCoordinates = !kdRawPointerCoordinates;
pi->nButtons = 3;
pi->nButtons = 5; /* XXX should not be hardcoded */
pi->inputClass = KD_MOUSE;
if (!arg)

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@ -561,179 +561,6 @@ xf86InterceptSigIll(void (*sigillhandler)(void))
xf86SigIllHandler = sigillhandler;
}
#ifdef HAVE_BACKTRACE
#include <execinfo.h>
static __inline__ void xorg_backtrace(void)
{
void *array[32]; /* deeper nesting than this means something's wrong */
size_t size, i;
char **strings;
ErrorF("\nBacktrace:\n");
size = backtrace(array, 32);
strings = backtrace_symbols(array, size);
for (i = 0; i < size; i++)
ErrorF("%d: %s\n", i, strings[i]);
free(strings);
}
#else /* not glibc or glibc < 2.1 */
# if defined(sun) && defined(__SVR4)
# define HAVE_PSTACK
# endif
# if defined(HAVE_WALKCONTEXT) /* Solaris 9 & later */
# include <ucontext.h>
# include <signal.h>
# include <dlfcn.h>
# include <sys/elf.h>
#ifdef _LP64
# define ElfSym Elf64_Sym
#else
# define ElfSym Elf32_Sym
#endif
/* Called for each frame on the stack to print it's contents */
static int xorg_backtrace_frame(uintptr_t pc, int signo, void *arg)
{
Dl_info dlinfo;
ElfSym *dlsym;
char header[32];
int depth = *((int *) arg);
if (signo) {
char signame[SIG2STR_MAX];
if (sig2str(signo, signame) != 0) {
strcpy(signame, "unknown");
}
ErrorF("** Signal %d (%s)\n", signo, signame);
}
snprintf(header, sizeof(header), "%d: 0x%lx", depth, pc);
*((int *) arg) = depth + 1;
/* Ask system dynamic loader for info on the address */
if (dladdr1((void *) pc, &dlinfo, (void **) &dlsym, RTLD_DL_SYMENT)) {
unsigned long offset = pc - (uintptr_t) dlinfo.dli_saddr;
const char *symname;
if (offset < dlsym->st_size) { /* inside a function */
symname = dlinfo.dli_sname;
} else { /* found which file it was in, but not which function */
symname = "<section start>";
offset = pc - (uintptr_t)dlinfo.dli_fbase;
}
ErrorF("%s: %s:%s+0x%lx\n", header, dlinfo.dli_fname,
symname, offset);
} else {
/* Couldn't find symbol info from system dynamic loader, should
* probably poke elfloader here, but haven't written that code yet,
* so we just print the pc.
*/
ErrorF("%s\n", header);
}
return 0;
}
# endif /* HAVE_WALKCONTEXT */
# ifdef HAVE_PSTACK
static int xorg_backtrace_pstack(void) {
pid_t kidpid;
int pipefd[2];
if (pipe(pipefd) != 0) {
return -1;
}
kidpid = fork1();
if (kidpid == -1) {
/* ERROR */
return -1;
} else if (kidpid == 0) {
/* CHILD */
char parent[16];
seteuid(0);
close(STDIN_FILENO);
close(STDOUT_FILENO);
dup2(pipefd[1],STDOUT_FILENO);
closefrom(STDERR_FILENO);
snprintf(parent, sizeof(parent), "%d", getppid());
execle("/usr/bin/pstack", "pstack", parent, NULL);
exit(1);
} else {
/* PARENT */
char btline[256];
int kidstat;
int bytesread;
int done = 0;
close(pipefd[1]);
while (!done) {
bytesread = read(pipefd[0], btline, sizeof(btline) - 1);
if (bytesread > 0) {
btline[bytesread] = 0;
ErrorF("%s", btline);
}
else if ((bytesread < 0) ||
((errno != EINTR) && (errno != EAGAIN)))
done = 1;
}
close(pipefd[0]);
waitpid(kidpid, &kidstat, 0);
if (kidstat != 0)
return -1;
}
return 0;
}
# endif /* HAVE_PSTACK */
# if defined(HAVE_PSTACK) || defined(HAVE_WALKCONTEXT)
static __inline__ void xorg_backtrace(void) {
ErrorF("\nBacktrace:\n");
# ifdef HAVE_PSTACK
/* First try fork/exec of pstack - otherwise fall back to walkcontext
pstack is preferred since it can print names of non-exported functions */
if (xorg_backtrace_pstack() < 0)
# endif
{
# ifdef HAVE_WALKCONTEXT
ucontext_t u;
int depth = 1;
if (getcontext(&u) == 0)
walkcontext(&u, xorg_backtrace_frame, &depth);
else
# endif
Error("Failed to get backtrace info");
}
ErrorF("\n");
}
# else
/* Default fallback if we can't find any way to get a backtrace */
static __inline__ void xorg_backtrace(void) { return; }
# endif
#endif
/*
* xf86SigHandler --
* Catch unexpected signals and exit or continue cleanly.

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@ -115,12 +115,16 @@ handle_edid_quirks(xf86MonPtr m)
}
}
if (real_hsize && real_vsize) {
if (!real_hsize || !real_vsize) {
m->features.hsize = m->features.vsize = 0;
} else if ((m->features.hsize * 10 == real_hsize) &&
(m->features.vsize * 10 == real_vsize)) {
/* exact match is just unlikely, should do a better check though */
m->features.hsize = m->features.vsize = 0;
} else {
/* convert mm to cm */
m->features.hsize = (real_hsize + 5) / 10;
m->features.vsize = (real_vsize + 5) / 10;
} else {
m->features.hsize = m->features.vsize = 0;
}
xf86Msg(X_INFO, "Quirked EDID physical size to %dx%d cm\n",

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@ -349,7 +349,6 @@ DRIScreenInit(ScreenPtr pScreen, DRIInfoPtr pDRIInfo, int *pDRMFD)
pDRIPriv = (DRIScreenPrivPtr) xcalloc(1, sizeof(DRIScreenPrivRec));
if (!pDRIPriv) {
dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
DRIScreenPrivKey = NULL;
return FALSE;
}
@ -742,7 +741,6 @@ DRICloseScreen(ScreenPtr pScreen)
xfree(pDRIPriv);
dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
DRIScreenPrivKey = NULL;
}
}

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@ -102,6 +102,9 @@
/* Define to 1 if you have the <asm/mtrr.h> header file. */
#undef HAVE_ASM_MTRR_H
/* Has backtrace support */
#undef HAVE_BACKTRACE
/* Define to 1 if you have the <byteswap.h> header file. */
#undef HAVE_BYTESWAP_H
@ -121,6 +124,9 @@
/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
#undef HAVE_DOPRNT
/* Have execinfo.h */
#undef HAVE_EXECINFO_H
/* Define to 1 if you have the <fcntl.h> header file. */
#undef HAVE_FCNTL_H

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@ -528,4 +528,6 @@ extern void ErrorF(const char *f, ...) _printf_attribute(1,2);
extern void Error(char *str);
extern void LogPrintMarkers(void);
extern void xorg_backtrace(void);
#endif /* OS_H */

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@ -162,6 +162,7 @@ mieqEnqueue(DeviceIntPtr pDev, xEvent *e)
oldtail = (oldtail - 1) % QUEUE_SIZE;
}
else {
static int stuck = 0;
newtail = (oldtail + 1) % QUEUE_SIZE;
/* Toss events which come in late. Usually this means your server's
* stuck in an infinite loop somewhere, but SIGIO is still getting
@ -169,11 +170,16 @@ mieqEnqueue(DeviceIntPtr pDev, xEvent *e)
if (newtail == miEventQueue.head) {
ErrorF("[mi] EQ overflowing. The server is probably stuck "
"in an infinite loop.\n");
if (!stuck) {
xorg_backtrace();
stuck = 1;
}
#ifdef XQUARTZ
pthread_mutex_unlock(&miEventQueueMutex);
#endif
return;
}
stuck = 0;
miEventQueue.tail = newtail;
}

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@ -11,6 +11,7 @@ libos_la_SOURCES = \
WaitFor.c \
access.c \
auth.c \
backtrace.c \
connection.c \
io.c \
mitauth.c \

201
os/backtrace.c Normal file
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@ -0,0 +1,201 @@
/*
* Copyright 2008 Red Hat, Inc.
*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* them Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) 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 MERCHANTIBILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS 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.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "os.h"
#include "misc.h"
#ifdef HAVE_BACKTRACE
#include <execinfo.h>
void xorg_backtrace(void)
{
void *array[32]; /* deeper nesting than this means something's wrong */
size_t size, i;
char **strings;
ErrorF("\nBacktrace:\n");
size = backtrace(array, 32);
strings = backtrace_symbols(array, size);
for (i = 0; i < size; i++)
ErrorF("%d: %s\n", i, strings[i]);
free(strings);
}
#else /* not glibc or glibc < 2.1 */
# if defined(sun) && defined(__SVR4)
# define HAVE_PSTACK
# endif
# if defined(HAVE_WALKCONTEXT) /* Solaris 9 & later */
# include <ucontext.h>
# include <signal.h>
# include <dlfcn.h>
# include <sys/elf.h>
#ifdef _LP64
# define ElfSym Elf64_Sym
#else
# define ElfSym Elf32_Sym
#endif
/* Called for each frame on the stack to print it's contents */
static int xorg_backtrace_frame(uintptr_t pc, int signo, void *arg)
{
Dl_info dlinfo;
ElfSym *dlsym;
char header[32];
int depth = *((int *) arg);
if (signo) {
char signame[SIG2STR_MAX];
if (sig2str(signo, signame) != 0) {
strcpy(signame, "unknown");
}
ErrorF("** Signal %d (%s)\n", signo, signame);
}
snprintf(header, sizeof(header), "%d: 0x%lx", depth, pc);
*((int *) arg) = depth + 1;
/* Ask system dynamic loader for info on the address */
if (dladdr1((void *) pc, &dlinfo, (void **) &dlsym, RTLD_DL_SYMENT)) {
unsigned long offset = pc - (uintptr_t) dlinfo.dli_saddr;
const char *symname;
if (offset < dlsym->st_size) { /* inside a function */
symname = dlinfo.dli_sname;
} else { /* found which file it was in, but not which function */
symname = "<section start>";
offset = pc - (uintptr_t)dlinfo.dli_fbase;
}
ErrorF("%s: %s:%s+0x%lx\n", header, dlinfo.dli_fname,
symname, offset);
} else {
/* Couldn't find symbol info from system dynamic loader, should
* probably poke elfloader here, but haven't written that code yet,
* so we just print the pc.
*/
ErrorF("%s\n", header);
}
return 0;
}
# endif /* HAVE_WALKCONTEXT */
# ifdef HAVE_PSTACK
static int xorg_backtrace_pstack(void) {
pid_t kidpid;
int pipefd[2];
if (pipe(pipefd) != 0) {
return -1;
}
kidpid = fork1();
if (kidpid == -1) {
/* ERROR */
return -1;
} else if (kidpid == 0) {
/* CHILD */
char parent[16];
seteuid(0);
close(STDIN_FILENO);
close(STDOUT_FILENO);
dup2(pipefd[1],STDOUT_FILENO);
closefrom(STDERR_FILENO);
snprintf(parent, sizeof(parent), "%d", getppid());
execle("/usr/bin/pstack", "pstack", parent, NULL);
exit(1);
} else {
/* PARENT */
char btline[256];
int kidstat;
int bytesread;
int done = 0;
close(pipefd[1]);
while (!done) {
bytesread = read(pipefd[0], btline, sizeof(btline) - 1);
if (bytesread > 0) {
btline[bytesread] = 0;
ErrorF("%s", btline);
}
else if ((bytesread < 0) ||
((errno != EINTR) && (errno != EAGAIN)))
done = 1;
}
close(pipefd[0]);
waitpid(kidpid, &kidstat, 0);
if (kidstat != 0)
return -1;
}
return 0;
}
# endif /* HAVE_PSTACK */
# if defined(HAVE_PSTACK) || defined(HAVE_WALKCONTEXT)
void xorg_backtrace(void) {
ErrorF("\nBacktrace:\n");
# ifdef HAVE_PSTACK
/* First try fork/exec of pstack - otherwise fall back to walkcontext
pstack is preferred since it can print names of non-exported functions */
if (xorg_backtrace_pstack() < 0)
# endif
{
# ifdef HAVE_WALKCONTEXT
ucontext_t u;
int depth = 1;
if (getcontext(&u) == 0)
walkcontext(&u, xorg_backtrace_frame, &depth);
else
# endif
Error("Failed to get backtrace info");
}
ErrorF("\n");
}
# else
/* Default fallback if we can't find any way to get a backtrace */
void xorg_backtrace(void) { return; }
# endif
#endif