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-rw-r--r--libc/sysdeps/linux/alpha/Makefile.arch2
-rw-r--r--libc/sysdeps/linux/alpha/sigprocmask.c61
2 files changed, 62 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/alpha/Makefile.arch b/libc/sysdeps/linux/alpha/Makefile.arch
index 2a66bc1a4..fddfc0052 100644
--- a/libc/sysdeps/linux/alpha/Makefile.arch
+++ b/libc/sysdeps/linux/alpha/Makefile.arch
@@ -5,7 +5,7 @@
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#
-CSRC := __syscall_error.c
+CSRC := __syscall_error.c sigprocmask.c
SSRC := \
__longjmp.S brk.S bsd-_setjmp.S bsd-setjmp.S clone.S \
diff --git a/libc/sysdeps/linux/alpha/sigprocmask.c b/libc/sysdeps/linux/alpha/sigprocmask.c
new file mode 100644
index 000000000..2ce49da48
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/sigprocmask.c
@@ -0,0 +1,61 @@
+/* Copyright (C) 1993, 1995, 1997, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David Mosberger (davidm@azstarnet.com).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <features.h>
+#include <errno.h>
+#include <sys/syscall.h>
+#include <signal.h>
+
+/* When there is kernel support for more than 64 signals, we'll have to
+ switch to a new system call convention here. */
+
+static inline _syscall2(int, osf_sigprocmask, int, how, unsigned long int, setval);
+
+int
+__sigprocmask (int how, const sigset_t *set, sigset_t *oset)
+{
+ unsigned long int setval;
+ long result;
+
+ if (set)
+ setval = set->__val[0];
+ else
+ {
+ setval = 0;
+ how = SIG_BLOCK; /* ensure blocked mask doesn't get changed */
+ }
+
+ result = osf_sigprocmask(how, setval);
+ if (result == -1)
+ /* If there are ever more than 63 signals, we need to recode this
+ in assembler since we wouldn't be able to distinguish a mask of
+ all 1s from -1, but for now, we're doing just fine... */
+ return result;
+
+ if (oset)
+ {
+ oset->__val[0] = result;
+ result = _SIGSET_NWORDS;
+ while (--result > 0)
+ oset->__val[result] = 0;
+ }
+ return 0;
+}
+
+weak_alias (__sigprocmask, sigprocmask);