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GBitLock: turn assumptions of g_futex_int_address into a static assertion

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We'll probably never encounter a platform where these fail, but that's
what static assertions are for...

https://bugzilla.gnome.org/show_bug.cgi?id=548954
This commit is contained in:
Simon McVittie 2011-12-06 11:35:02 +00:00 committed by Ryan Lortie
parent fc731de929
commit 1425aa664d
1 changed files with 6 additions and 0 deletions
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6
glib/gbitlock.c
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@ -366,6 +366,12 @@ g_futex_int_address (const volatile void *address)
{ {
const volatile gint *int_address = address; const volatile gint *int_address = address;
/* this implementation makes these (reasonable) assumptions: */
G_STATIC_ASSERT (G_BYTE_ORDER == G_LITTLE_ENDIAN ||
(G_BYTE_ORDER == G_BIG_ENDIAN &&
sizeof (int) == 4 &&
(sizeof (gpointer) == 4 || sizeof (gpointer) == 8)));
#if G_BYTE_ORDER == G_BIG_ENDIAN && GLIB_SIZEOF_VOID_P == 8 #if G_BYTE_ORDER == G_BIG_ENDIAN && GLIB_SIZEOF_VOID_P == 8
int_address++; int_address++;
#endif #endif