g_atomic_pointer*
Hi,
I need to use an atomic pointer for my app. The documentation for the glib
atomic operations is not exactly helpful.
Anyway, I wrote a test program:
8
/* atomic.c */
#include glib.h
int main()
{
char* myptr = 0;
char* str = Hello;
g_atomic_pointer_set(myptr, str);
char* p = g_atomic_pointer_get(myptr);
return 0;
}
8
I had to use the output of
gcc `pkg-config --cflags glib-2.0` atomic.c -E
to understand what was meant to be used as the parameters. Anyway, the
output of this does not look at all atomic: (not that i'm any expert)
8
...
# 4 atomic.c 2
int main()
{
char* myptr = 0;
char* str = Hello;
((void) (*(myptr) = (str)));
char* p = ((gpointer)*(myptr));
return 0;
}
8
This is on a x86_64, running Gentoo, glib-2.20.5.
I don't know if I've got the idea right for how these functions are
supposed to be used. Any ideas?
Cheers,
james.
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