[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/libc/signal/sigset.c b/ap/build/uClibc/libc/signal/sigset.c
new file mode 100644
index 0000000..b91ce80
--- /dev/null
+++ b/ap/build/uClibc/libc/signal/sigset.c
@@ -0,0 +1,67 @@
+/* Copyright (C) 1998, 2000, 2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <errno.h>
+#define __need_NULL
+#include <stddef.h>
+#include <signal.h>
+#include <string.h> /* For the real memset prototype. */
+
+
+/* Set the disposition for SIG. */
+__sighandler_t sigset (int sig, __sighandler_t disp)
+{
+ struct sigaction act, oact;
+ sigset_t set;
+
+ /* Check signal extents to protect __sigismember. */
+ if (disp == SIG_ERR || sig < 1 || sig >= NSIG)
+ {
+ __set_errno (EINVAL);
+ return SIG_ERR;
+ }
+
+#ifdef SIG_HOLD
+ /* Handle SIG_HOLD first. */
+ if (disp == SIG_HOLD)
+ {
+ __sigemptyset (&set);
+ __sigaddset (&set, sig);
+
+ /* Add the signal set to the current signal mask. */
+ sigprocmask (SIG_BLOCK, &set, NULL); /* can't fail */
+
+ return SIG_HOLD;
+ }
+#endif /* SIG_HOLD */
+
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = disp;
+ /* In Linux (as of 2.6.25), fails only if sig is SIGKILL or SIGSTOP */
+ if (sigaction (sig, &act, &oact) < 0)
+ return SIG_ERR;
+
+ /* Create an empty signal set. Add the specified signal. */
+ __sigemptyset (&set);
+ __sigaddset (&set, sig);
+
+ /* Remove the signal set from the current signal mask. */
+ sigprocmask (SIG_UNBLOCK, &set, NULL); /* can't fail */
+
+ return oact.sa_handler;
+}