surpport seeking the recorded video

[vuplus_openembedded] / recipes / glibc / glibc-2.3.2 / syslog-backrev.patch

--- misc/syslog.c       2003-07-17 22:14:44.000000000 +0000
+++ /skole/tjener/home0/jbailey/cvstree/libc/misc/syslog.c      2003-07-17 22:05:59.000000000 +0000
@@ -41,7 +41,6 @@
 #include <fcntl.h>
 #include <paths.h>
 #include <stdio.h>
-#include <stdio_ext.h>
 #include <string.h>
 #include <time.h>
 #include <unistd.h>
@@ -75,27 +74,9 @@
 static void openlog_internal(const char *, int, int) internal_function;
 static void closelog_internal(void);
 static void sigpipe_handler (int);
-
-
-struct cleanup_arg
-{
-  void *buf;
-  struct sigaction *oldaction;
-};
-
-static void
-cancel_handler (void *ptr)
-{
-  /* Restore the old signal handler.  */
-  struct cleanup_arg *clarg = (struct cleanup_arg *) ptr;
-
-  if (clarg != NULL && clarg->oldaction != NULL)
-    __sigaction (SIGPIPE, clarg->oldaction, NULL);
-
-  /* Free the lock.  */
-  __libc_lock_unlock (syslog_lock);
-}
-
+#ifdef _LIBC_REENTRANT
+static void cancel_handler (void *);
+#endif
 
 /*
  * syslog, vsyslog --
@@ -137,6 +118,7 @@
        size_t bufsize = 0;
        size_t prioff, msgoff;
        struct sigaction action, oldaction;
+       struct sigaction *oldaction_ptr = NULL;
        int sigpipe;
        int saved_errno = errno;
        char failbuf[3 * sizeof (pid_t) + sizeof "out of memory []"];
@@ -183,7 +165,6 @@
          }
        else
          {
-           __fsetlocking (f, FSETLOCKING_BYCALLER);
            prioff = fprintf (f, "<%d>", pri);
            (void) time (&now);
 #ifdef USE_IN_LIBIO
@@ -201,12 +182,9 @@
            if (LogTag != NULL)
              fputs_unlocked (LogTag, f);
            if (LogStat & LOG_PID)
-             fprintf (f, "[%d]", (int) __getpid ());
+             fprintf (f, "[%d]", __getpid ());
            if (LogTag != NULL)
-             {
-               putc_unlocked (':', f);
-               putc_unlocked (' ', f);
-             }
+             putc_unlocked (':', f), putc_unlocked (' ', f);
 
            /* Restore errno for %m format.  */
            __set_errno (saved_errno);
@@ -234,22 +212,16 @@
                    v->iov_base = (char *) "\n";
                    v->iov_len = 1;
                  }
-
-               __libc_cleanup_push (free, buf);
-
-               /* writev is a cancellation point.  */
                (void)__writev(STDERR_FILENO, iov, v - iov + 1);
-
-               __libc_cleanup_pop (0);
        }
 
+#ifdef _LIBC_REENTRANT
        /* Prepare for multiple users.  We have to take care: open and
           write are cancellation points.  */
-       struct cleanup_arg clarg;
-       clarg.buf = buf;
-       clarg.oldaction = NULL;
-       __libc_cleanup_push (cancel_handler, &clarg);
+       __libc_cleanup_region_start (1, (void (*) (void *)) cancel_handler,
+                                    &oldaction_ptr);
        __libc_lock_lock (syslog_lock);
+#endif
 
        /* Prepare for a broken connection.  */
        memset (&action, 0, sizeof (action));
@@ -257,7 +229,7 @@
        sigemptyset (&action.sa_mask);
        sigpipe = __sigaction (SIGPIPE, &action, &oldaction);
        if (sigpipe == 0)
-         clarg.oldaction = &oldaction;
+         oldaction_ptr = &oldaction;
 
        /* Get connected, output the message to the local logger. */
        if (!connected)
@@ -299,9 +271,11 @@
        if (sigpipe == 0)
                __sigaction (SIGPIPE, &oldaction, (struct sigaction *) NULL);
 
+#ifdef _LIBC_REENTRANT
        /* End of critical section.  */
-       __libc_cleanup_pop (0);
+       __libc_cleanup_region_end (0);
        __libc_lock_unlock (syslog_lock);
+#endif
 
        free (buf);
 }
@@ -309,7 +283,6 @@
 
 static struct sockaddr SyslogAddr;     /* AF_UNIX address of local logger */
 
-
 static void
 internal_function
 openlog_internal(const char *ident, int logstat, int logfac)
@@ -339,9 +312,8 @@
                            == -1)
                        {
                                int saved_errno = errno;
-                               int fd = LogFile;
+                               (void)__close(LogFile);
                                LogFile = -1;
-                               (void)__close(fd);
                                if (LogType == SOCK_DGRAM
                                    && saved_errno == EPROTOTYPE)
                                {
@@ -357,16 +329,28 @@
        }
 }
 
+
+static void
+log_cleanup (void *arg)
+{
+  __libc_lock_unlock (syslog_lock);
+}
+
 void
 openlog (const char *ident, int logstat, int logfac)
 {
-  /* Protect against multiple users and cancellation.  */
-  __libc_cleanup_push (cancel_handler, NULL);
+#ifdef _LIBC_REENTRANT
+  /* Protect against multiple users.  */
+  __libc_cleanup_region_start (1, log_cleanup, NULL);
   __libc_lock_lock (syslog_lock);
+#endif
 
   openlog_internal (ident, logstat, logfac);
 
-  __libc_cleanup_pop (1);
+#ifdef _LIBC_REENTRANT
+  /* Free the lock.  */
+  __libc_cleanup_region_end (1);
+#endif
 }
 
 static void
@@ -389,17 +373,36 @@
 void
 closelog ()
 {
-  /* Protect against multiple users and cancellation.  */
-  __libc_cleanup_push (cancel_handler, NULL);
+#ifdef _LIBC_REENTRANT
+  /* Protect against multiple users.  */
+  __libc_cleanup_region_start (1, log_cleanup, NULL);
   __libc_lock_lock (syslog_lock);
+#endif
 
   closelog_internal ();
   LogTag = NULL;
   LogType = SOCK_DGRAM; /* this is the default */
 
+#ifdef _LIBC_REENTRANT
+  /* Free the lock.  */
+  __libc_cleanup_region_end (1);
+#endif
+}
+
+#ifdef _LIBC_REENTRANT
+static void
+cancel_handler (void *ptr)
+{
+  /* Restore the old signal handler.  */
+  struct sigaction *oldaction = *((struct sigaction **) ptr);
+
+  if (oldaction != (struct sigaction *) NULL)
+    __sigaction (SIGPIPE, oldaction, (struct sigaction *) NULL);
+
   /* Free the lock.  */
-  __libc_cleanup_pop (1);
+  __libc_lock_unlock (syslog_lock);
 }
+#endif
 
 /* setlogmask -- set the log mask level */
 int