This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
34 lines
856 B
ArmAsm
34 lines
856 B
ArmAsm
/* $NetBSD: compat_sigprocmask13.S,v 1.2 2011/01/15 07:31:13 matt Exp $ */
|
|
|
|
#include "SYS.h"
|
|
#include "assym.h"
|
|
|
|
#if defined(LIBC_SCCS)
|
|
__RCSID("$NetBSD: compat_sigprocmask13.S,v 1.2 2011/01/15 07:31:13 matt Exp $")
|
|
#endif
|
|
|
|
WARN_REFERENCES(sigprocmask, \
|
|
"warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
|
|
|
|
/*
|
|
* sigprocmask(int how, sigset_t *set, sigset_t *oset)
|
|
*/
|
|
ENTRY(sigprocmask)
|
|
or. %r4,%r4,%r4 # set == NULL?
|
|
li %r6,SIG_BLOCK
|
|
beq 1f
|
|
lwz %r4,0(%r4) # if not, replace it in r4 with *set
|
|
mr %r6,%r3
|
|
1:
|
|
mr %r3,%r6 # ... using sigprocmask(SIG_BLOCK)
|
|
_DOSYSCALL(compat_13_sigprocmask13)
|
|
bso 3f
|
|
or. %r5,%r5,%r5 # check to see of oset requested
|
|
beq 2f # if oset != NULL,
|
|
stw %r3,0(%r5) # *oset = oldmask
|
|
2:
|
|
li %r3,0
|
|
blr # in any case, return 0
|
|
3:
|
|
b _C_LABEL(__cerror)
|
|
END(sigprocmask)
|