2004-11-26 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* log.c: (zlog_backtrace) New function to log a backtrace.
(zlog_backtrace_safe) Log a backtrace in an async-signal-safe way.
Unfortunately, this function does not support syslog logging yet.
(zlog_signal) Move backtrace code into separate function
zlog_backtrace_safe.
(_zlog_assert_failed) Call zlog_backtrace before aborting.
* log.h: Declare new functions zlog_backtrace and zlog_backtrace_safe.
* memory.c: (zerror) Call zlog_backtrace before aborting.
diff --git a/lib/memory.c b/lib/memory.c
index 6eb135f..0d23e54 100644
--- a/lib/memory.c
+++ b/lib/memory.c
@@ -46,6 +46,11 @@
zlog_err ("%s : can't allocate memory for `%s' size %d: %s\n",
fname, lookup (mstr, type), (int) size, safe_strerror(errno));
log_memstats(LOG_WARNING);
+ /* N.B. It might be preferable to call zlog_backtrace_safe here, since
+ that function should definitely be safe in an OOM condition. But
+ unfortunately zlog_backtrace_safe does not support syslog logging at
+ this time... */
+ zlog_backtrace(LOG_WARNING);
abort();
}