Hello. Dne 11.03.2014 (tor) ob 19:15 +0800 je sunxiaobin napisal(a): > Hi, > I am using g_slice_new to alloc some memory in my work, and it seems that sometimes same > address would be returned if g_slice_new in different threads are called at the same time, I'm > wondering if anyone has ever encountered this problem? or it's already a known bug? because > i am using the glib2-2.12.3, it's really a bit old now. > > i write a test program to create three threads to keep alloc and free mems using g_slice_new and > g_slice_free respectively, i will put the allocated mem in a hash table, so everytime after calls to > g_slice_new, i check if it's in the hash table , and it turns out that it does happen. and if i set G_SLICE=always_malloc before i run the test program, there will be no problem. any advice will > be appreciated. > > Attached is my test program, i copy some codes from ghash.c so that it can be compiled only with > gcc -o gslice_test gslice_test.c -lglib-2.0 -I/usr/include/glib-2.0/ -I/usr/lib64/glib-2.0/include/ -pthread -g > > Here is my enviroment: > os: Linux 183 2.6.18-128.el5 #1 SMP Wed Jan 21 10:41:14 EST 2009 x86_64 x86_64 x86_64 GNU/Linux > (old enough too) > glib version: > glib2-debuginfo-2.12.3-2.el5.centos > glib2-2.12.3-2.fc6 > glib2-2.12.3-2.fc6 > glib2-devel-2.12.3-2.fc6 > glib2-devel-2.12.3-2.fc6 > > > _______________________________________________ > gtk-list mailing list > gtk-list@xxxxxxxxx > https://mail.gnome.org/mailman/listinfo/gtk-list If I'm not mistaken, older releases of GLib are not thread-safe by default: you need to call g_thread_init(). Does adding this call makes any difference? Cheers, Tadej -- Tadej Borovšak tadej.borovsak@xxxxxxxxx tadeboro@xxxxxxxxx blog.borovsak.si _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx https://mail.gnome.org/mailman/listinfo/gtk-list
