[Xquartz-changes] xserver: Branch 'master' - 2 commits
Jeremy Huddleston
jeremyhu at freedesktop.org
Wed May 11 17:30:18 PDT 2011
configure.ac | 3
hw/xquartz/Makefile.am | 6
hw/xquartz/console_redirect.c | 392 ++++++++++++++++++++++++++++++++++++++++++
hw/xquartz/console_redirect.h | 44 ++++
4 files changed, 441 insertions(+), 4 deletions(-)
New commits:
commit cb9c2aee640ed74bacdbc248e2da07f958745dca
Author: Jeremy Huddleston <jeremyhu at apple.com>
Date: Wed May 11 15:23:17 2011 -0700
XQuartz: Add API which will allow redirection of stdout/stderr to ASL
In order to improve logging in XQuartz, stdout and stderr should be redirected
to ASL (syslog). This code provides an API for doing that.
Signed-off-by: Jeremy Huddleston <jeremyhu at apple.com>
diff --git a/hw/xquartz/Makefile.am b/hw/xquartz/Makefile.am
index 76f624d..a7cc012 100644
--- a/hw/xquartz/Makefile.am
+++ b/hw/xquartz/Makefile.am
@@ -33,7 +33,8 @@ libXquartz_la_SOURCES = \
quartzCocoa.m \
quartzKeyboard.c \
quartzStartup.c \
- quartzRandR.c
+ quartzRandR.c \
+ console_redirect.c
EXTRA_DIST = \
X11Application.h \
@@ -49,4 +50,5 @@ EXTRA_DIST = \
quartzKeyboard.h \
quartzRandR.h \
sanitizedCarbon.h \
- sanitizedCocoa.h
+ sanitizedCocoa.h \
+ console_redirect.h
diff --git a/hw/xquartz/console_redirect.c b/hw/xquartz/console_redirect.c
new file mode 100644
index 0000000..957ac1f
--- /dev/null
+++ b/hw/xquartz/console_redirect.c
@@ -0,0 +1,392 @@
+/* Copyright (c) 2011 Apple 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 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 ABOVE LISTED COPYRIGHT
+ * HOLDER(S) 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.
+ *
+ * Except as contained in this notice, the name(s) of the above
+ * copyright holders shall not be used in advertising or otherwise to
+ * promote the sale, use or other dealings in this Software without
+ * prior written authorization.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <assert.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/event.h>
+#include <asl.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#ifdef HAVE_DISPATCH
+#include <dispatch/dispatch.h>
+#else
+#include <pthread.h>
+#endif
+
+#include "console_redirect.h"
+
+#define BUF_SIZE 512
+
+static int kq;
+
+typedef struct {
+ int level;
+ aslclient asl;
+ aslmsg msg;
+
+ /* Buffered reading */
+ char *buf;
+ char *w;
+} asl_redirect;
+
+static asl_redirect *redirect_fds = NULL;
+static int n_redirect_fds = 0;
+
+#ifdef HAVE_DISPATCH
+static dispatch_queue_t redirect_serial_q;
+#else
+static pthread_t redirect_pthread;
+static pthread_mutex_t redirect_fds_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* Notifications to our reader thread */
+#define ASL_REDIRECT_TERMINATE ((void *)(uintptr_t)1)
+#endif
+
+/* Read from the FD until there is no more to read and redirect to ASL.
+ * Preconditions:
+ * 1: pthread_mutex_lock lock is held (pthreads) or called
+ * from the appropriate serial queue for operating on
+ * redirect_fds
+ * 2: fd corresponds to a valid entry in redirect_fds
+ *
+ * Return values:
+ * If the pipe is closed, EOF is returned regardless of how many bytes
+ * were processed. If the pipe is still open, the number of read bytes
+ * is returned.
+ */
+static inline int _read_redirect(int fd, int flush) {
+ int total_read = 0;
+ int nbytes;
+ asl_redirect *aslr = &redirect_fds[fd];
+
+ while((nbytes = read(fd, aslr->w, BUF_SIZE - (aslr->w - aslr->buf) - 1)) > 0) {
+ char *s, *p;
+
+ /* Increment our returned number read */
+ total_read += nbytes;
+
+ nbytes += (aslr->w - aslr->buf);
+ aslr->buf[nbytes] = '\0';
+
+ /* One line at a time */
+ for(p=aslr->buf; *p && (p - aslr->buf) < nbytes; p = s + 1) {
+ // Find null or \n
+ for(s=p; *s && *s != '\n'; s++);
+ if(*s == '\n') {
+ *s='\0';
+ asl_log(aslr->asl, aslr->msg, aslr->level, "%s", p);
+ } else if(aslr->buf != p) {
+ memmove(aslr->buf, p, BUF_SIZE);
+ aslr->w = aslr->buf + (s - p);
+ break;
+ } else if(nbytes == BUF_SIZE - 1) {
+ asl_log(aslr->asl, aslr->msg, aslr->level, "%s", p);
+ aslr->w = aslr->buf;
+ break;
+ }
+ }
+ }
+
+ /* Flush if requested or we're at EOF */
+ if(flush || nbytes == 0) {
+ if(aslr->w > aslr->buf) {
+ *aslr->w = '\0';
+ asl_log(aslr->asl, aslr->msg, aslr->level, "%s", aslr->buf);
+ }
+ }
+
+ if(nbytes == 0)
+ return EOF;
+ return total_read;
+}
+
+#ifdef HAVE_DISPATCH
+static void read_from_source(void *_source) {
+ dispatch_source_t source = (dispatch_source_t)_source;
+ int fd = dispatch_source_get_handle(source);
+ if(_read_redirect(fd, 0) == EOF) {
+ dispatch_source_cancel(source);
+ }
+}
+
+static void cancel_source(void *_source) {
+ dispatch_source_t source = (dispatch_source_t)_source;
+ int fd = dispatch_source_get_handle(source);
+ asl_redirect *aslr = &redirect_fds[fd];
+
+ close(fd);
+ free(aslr->buf);
+ memset(aslr, 0, sizeof(*aslr));
+ dispatch_release(source);
+}
+
+#else /* !HAVE_DISPATCH */
+static void *redirect_thread(void *ctx __unused) {
+ struct kevent ev;
+ int n;
+
+ while(1) {
+ n = kevent(kq, NULL, 0, &ev, 1, NULL);
+
+ /* Bail on errors */
+ if(n < 0) {
+ asl_log(NULL, NULL, ASL_LEVEL_ERR, "kevent failure: %s", strerror(errno));
+ break;
+ }
+
+ /* This should not happen */
+ if(n == 0)
+ continue;
+
+ switch(ev.filter) {
+ case EVFILT_READ:
+ pthread_mutex_lock(&redirect_fds_lock);
+ {
+ int fd = ev.ident;
+ int close_fd = 0;
+ asl_redirect *aslr = &redirect_fds[fd];
+
+ if(fd < 0 || fd >= n_redirect_fds || aslr->buf == NULL) {
+ asl_log(NULL, NULL, ASL_LEVEL_ERR, "Unexpected file descriptor: %d", fd);
+ goto next;
+ }
+
+ if(ev.flags & EV_EOF) {
+ close_fd = 1;
+ if(EOF != _read_redirect(fd, 1)) {
+ asl_log(NULL, NULL, ASL_LEVEL_ERR, "kevent reported EOF on %d, but read doesn't concur.", fd);
+ }
+ } else {
+ close_fd = (EOF == _read_redirect(fd, 0));
+ }
+
+ if(close_fd) {
+ EV_SET(&ev, fd, EVFILT_READ, EV_DELETE, 0, 0, 0);
+ kevent(kq, &ev, 1, NULL, 0, NULL);
+ close(fd);
+ free(aslr->buf);
+ memset(aslr, 0, sizeof(*aslr));
+ }
+ }
+ next:
+ pthread_mutex_unlock(&redirect_fds_lock);
+
+ case EVFILT_TIMER:
+ if(ev.udata == ASL_REDIRECT_TERMINATE)
+ return NULL;
+
+ default:
+ ;;
+ }
+ }
+
+ return NULL;
+}
+#endif
+
+static void redirect_atexit(void) {
+ /* stdout is linebuffered, so flush the buffer */
+ if(redirect_fds[STDOUT_FILENO].buf)
+ fflush(stdout);
+
+#ifdef HAVE_DISPATCH
+ {
+ dispatch_sync(redirect_serial_q, ^{});
+ dispatch_sync(redirect_serial_q, ^{});
+ }
+#else
+ {
+ struct kevent ev;
+ /* Tell our reader thread it is time to pack up and go home */
+ EV_SET(&ev, 0, EVFILT_TIMER, EV_ADD | EV_ONESHOT, 0, 0, ASL_REDIRECT_TERMINATE);
+ kevent(kq, &ev, 1, NULL, 0, NULL);
+
+ pthread_join(redirect_pthread, NULL);
+ }
+#endif
+}
+
+#ifdef HAVE_DISPATCH
+static void xq_asl_init(void *ctx __unused)
+#else
+static void xq_asl_init(void)
+#endif
+{
+ assert((kq = kqueue()) != -1);
+ assert((redirect_fds = calloc(16, sizeof(*redirect_fds))) != NULL);
+ n_redirect_fds = 16;
+
+#ifdef HAVE_DISPATCH
+ redirect_serial_q = dispatch_queue_create("com.apple.asl-redirect", NULL);
+ assert(redirect_serial_q != NULL);
+#else
+ assert(pthread_create(&redirect_pthread, NULL, redirect_thread, NULL) == 0);
+#endif
+
+ atexit(redirect_atexit);
+}
+
+int xq_asl_log_fd(aslclient asl, aslmsg msg, int level, int fd) {
+#ifdef HAVE_DISPATCH
+ int err __block = 0;
+ static dispatch_once_t once_control;
+ dispatch_once_f(&once_control, NULL, xq_asl_init);
+#else
+ int err = 0;
+ static pthread_once_t once_control = PTHREAD_ONCE_INIT;
+ assert(pthread_once(&once_control, xq_asl_init) == 0);
+#endif
+
+ if(fd < 0)
+ return EBADF;
+
+#ifdef HAVE_DISPATCH
+ dispatch_sync(redirect_serial_q, ^
+#else
+ assert(pthread_mutex_lock(&redirect_fds_lock) == 0);
+#endif
+ {
+ /* Reallocate if we need more space */
+ if(fd >= n_redirect_fds) {
+ size_t new_n = 1 << (ffs(fd) + 1);
+ asl_redirect *new_array = realloc(redirect_fds, new_n * sizeof(*redirect_fds));
+ if(!new_array) {
+ err = errno;
+ goto done;
+ }
+ redirect_fds = new_array;
+ memset(redirect_fds + n_redirect_fds, 0, new_n - n_redirect_fds);
+ n_redirect_fds = new_n;
+ }
+
+ /* If we're already listening on it, return error. */
+ if(redirect_fds[fd].buf != NULL) {
+ err = EBADF;
+ goto done;
+ }
+
+ /* Initialize our buffer */
+ redirect_fds[fd].buf = (char *)malloc(BUF_SIZE);
+ if(redirect_fds[fd].buf == NULL) {
+ err = errno;
+ goto done;
+ }
+ redirect_fds[fd].w = redirect_fds[fd].buf;
+
+ /* Store our ASL settings */
+ redirect_fds[fd].level = level;
+ redirect_fds[fd].asl = asl;
+ redirect_fds[fd].msg = msg;
+
+ /* Don't block on reads from this fd */
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+
+ /* Start listening */
+#ifdef HAVE_DISPATCH
+ {
+ dispatch_source_t fd_read_source = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, fd, 0, redirect_serial_q);
+ dispatch_set_context(fd_read_source, fd_read_source);
+ dispatch_source_set_event_handler_f(fd_read_source, read_from_source);
+ dispatch_source_set_cancel_handler_f(fd_read_source, cancel_source);
+ dispatch_resume(fd_read_source);
+ }
+#else
+ {
+ struct kevent ev;
+ EV_SET(&ev, fd, EVFILT_READ, EV_ADD, 0, 0, 0);
+ kevent(kq, &ev, 1, NULL, 0, NULL);
+ }
+#endif
+ done: ;;
+ }
+#ifdef HAVE_DISPATCH
+ );
+#else
+ assert(pthread_mutex_unlock(&redirect_fds_lock) == 0);
+#endif
+
+ return err;
+}
+
+int xq_asl_capture_fd(aslclient asl, aslmsg msg, int level, int fd) {
+ int pipepair[2];
+
+ /* Create pipe */
+ if(pipe(pipepair) == -1)
+ return errno;
+
+ /* Close the read fd but not the write fd on exec */
+ if(fcntl(pipepair[0], F_SETFD, FD_CLOEXEC) == -1)
+ return errno;
+
+ /* Replace the existing fd */
+ if(dup2(pipepair[1], fd) == -1) {
+ close(pipepair[0]);
+ close(pipepair[1]);
+ return errno;
+ }
+
+ /* If we capture STDOUT_FILENO, make sure we linebuffer stdout */
+ if(fd == STDOUT_FILENO)
+ setlinebuf(stdout);
+
+ /* Close the duplicate fds since they've been reassigned */
+ close(pipepair[1]);
+
+ /* Hand off the read end of our pipe to xq_asl_log_fd */
+ return xq_asl_log_fd(asl, msg, level, pipepair[0]);
+}
+
+#ifdef DEBUG_CONSOLE_REDIRECT
+int main(int argc __unused, char **argv __unused) {
+ xq_asl_capture_fd(NULL, NULL, ASL_LEVEL_NOTICE, STDOUT_FILENO);
+ xq_asl_capture_fd(NULL, NULL, ASL_LEVEL_ERR, STDERR_FILENO);
+
+ fprintf(stderr, "TEST ERR1\n");
+ fprintf(stdout, "TEST OUT1\n");
+ fprintf(stderr, "TEST ERR2\n");
+ fprintf(stdout, "TEST OUT2\n");
+ system("/bin/echo SYST OUT");
+ system("/bin/echo SYST ERR >&2");
+ fprintf(stdout, "TEST OUT3\n");
+ fprintf(stdout, "TEST OUT4\n");
+ fprintf(stderr, "TEST ERR3\n");
+ fprintf(stderr, "TEST ERR4\n");
+
+ exit(0);
+}
+#endif
diff --git a/hw/xquartz/console_redirect.h b/hw/xquartz/console_redirect.h
new file mode 100644
index 0000000..94520a3
--- /dev/null
+++ b/hw/xquartz/console_redirect.h
@@ -0,0 +1,44 @@
+/* Copyright (c) 2011 Apple 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 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 ABOVE LISTED COPYRIGHT
+ * HOLDER(S) 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.
+ *
+ * Except as contained in this notice, the name(s) of the above
+ * copyright holders shall not be used in advertising or otherwise to
+ * promote the sale, use or other dealings in this Software without
+ * prior written authorization.
+ */
+
+#ifndef _XQUARTZ_CONSOLE_REDIRECT_H_
+#define _XQUARTZ_CONSOLE_REDIRECT_H_
+
+#include <asl.h>
+
+/* The given fd is replaced with a pipe. Anything written to it will will be
+ * logged to ASL.
+ */
+int xq_asl_capture_fd(aslclient asl, aslmsg msg, int level, int fd);
+
+/* The given fd is read from and passed along to ASL until all write ends of the
+ * pipe are closed. Once the last writer has closed the pipe, we close our end.
+ */
+int xq_asl_log_fd(aslclient asl, aslmsg msg, int level, int fd);
+
+#endif
commit a558a66d249cd51d3d675b20cc3a76651fd87930
Author: Jeremy Huddleston <jeremyhu at apple.com>
Date: Wed May 11 17:27:52 2011 -0700
configure.ac: XQuartz: Fix support for the deprecated --with-launchd-id-prefix
Signed-off-by: Jeremy Huddleston <jeremyhu at apple.com>
diff --git a/configure.ac b/configure.ac
index 61caaed..a474073 100644
--- a/configure.ac
+++ b/configure.ac
@@ -566,8 +566,7 @@ AC_ARG_WITH(launchd-id-prefix, AS_HELP_STRING([--with-launchd-id-prefix=PATH],
[ BUNDLE_ID_PREFIX="${withval}" ],
[ BUNDLE_ID_PREFIX="org.x" ])
AC_ARG_WITH(bundle-id-prefix, AS_HELP_STRING([--with-bundle-id-prefix=PATH], [Prefix to use for bundle identifiers (default: org.x)]),
- [ BUNDLE_ID_PREFIX="${withval}" ],
- [ BUNDLE_ID_PREFIX="org.x" ])
+ [ BUNDLE_ID_PREFIX="${withval}" ])
AC_SUBST([BUNDLE_ID_PREFIX])
AC_DEFINE_UNQUOTED(BUNDLE_ID_PREFIX, "$BUNDLE_ID_PREFIX", [Prefix to use for bundle identifiers])
AC_ARG_ENABLE(sparkle,AS_HELP_STRING([--enable-sparkle], [Enable updating of X11.app using the Sparkle Framework (default: disabled)]),
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