reassign 606618 libglib2.0-0 2.27.4-1
retitle 606618 glib2.0: g_timeout_add() cannot handle very large timeouts
affects 606618 syslog-ng
thanks
* Jakub Wilk <jw...@debian.org>, 2010-12-10, 13:36:
I have "stats_freq(86400)" in my syslog-ng.conf, and it used to work
fine until I upgraded libglib2.0-0 from 2.24.2-1 to 2.27.4-1.
Apparently statistics are now logged every 8m30s (rather than every
24h, as I requested).
I turns out this is a bug in glib. The attached minimal test program
should go ping every ~24 hours, and it apparently does with glib
2.24.2-1, but not with 2.27.4-1:
$ gcc -Wall -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include/ test.c -o test
-lglib-2.0
$ ./test
Ping interval: 85900.00 s
PING (0.66 s)
PING (0.66 s)
PING (0.66 s)
[...and so on...]
-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (990, 'unstable'), (500, 'experimental'), (500, 'testing')
Architecture: i386 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=C, LC_CTYPE=pl_PL.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages libglib2.0-0 depends on:
ii libc6 2.11.2-7 Embedded GNU C Library: Shared lib
ii libpcre3 8.02-1.1 Perl 5 Compatible Regular Expressi
ii libselinux1 2.0.96-1 SELinux runtime shared libraries
ii zlib1g 1:1.2.5.dfsg-1 compression library - runtime
Versions of packages libglib2.0-0 recommends:
pn libglib2.0-data <none> (no description available)
ii shared-mime-info 0.80-2 FreeDesktop.org shared MIME databa
--
Jakub Wilk
#include <glib.h>
#include <glib/gprintf.h>
#include <sys/time.h>
gint64 get_real_time()
{
struct timeval tv;
gettimeofday(&tv, NULL);
return (((gint64) tv.tv_sec) * 1000000) + tv.tv_usec;
}
static const guint interval = 85900000 /* 23h 51m 40s */;
static gint64 last_ping;
static GMainLoop *main_loop = NULL;
gboolean ping(gpointer st)
{
gint64 now = get_real_time();
g_printf("PING (%.2f s)\n", (now - last_ping) / 1.0e6);
last_ping = now;
return TRUE;
}
int main(int argc, char **argv)
{
g_printf("Ping interval: %.2f s\n", interval / 1.0e3);
last_ping = get_real_time();
main_loop = g_main_loop_new(NULL, FALSE);
g_timeout_add(interval, ping, NULL);
g_main_loop_run(main_loop);
return 0;
}
// vim:ts=4 sw=4 et
