[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/sigpause.c b/ap/build/uClibc/libc/signal/sigpause.c
new file mode 100644
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--- /dev/null
+++ b/ap/build/uClibc/libc/signal/sigpause.c
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+/* Copyright (C) 1991,92,94-98,2000,2002,2003,2004
+ 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. */
+
+#define __UCLIBC_HIDE_DEPRECATED__
+/* psm: need the BSD version of sigpause here */
+#include <errno.h>
+#define __FAVOR_BSD
+#include <signal.h>
+#include <stddef.h> /* For NULL. */
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include <sysdep-cancel.h>
+#endif
+
+#include "sigset-cvt-mask.h"
+
+/* Set the mask of blocked signals to MASK,
+ wait for a signal to arrive, and then restore the mask. */
+int __sigpause (int sig_or_mask, int is_sig)
+{
+ sigset_t set;
+
+ if (is_sig)
+ {
+ /* The modern X/Open implementation is requested. */
+ sigprocmask (SIG_BLOCK, NULL, &set);
+ /* Bound-check sig_or_mask, remove it from the set. */
+ if (sigdelset (&set, sig_or_mask) < 0)
+ return -1;
+ }
+ else
+ sigset_set_old_mask (&set, sig_or_mask);
+
+ /* Note the sigpause() is a cancellation point. But since we call
+ sigsuspend() which itself is a cancellation point we do not have
+ to do anything here. */
+ return sigsuspend (&set);
+}
+libc_hidden_def(__sigpause)
+
+#undef sigpause
+
+/* We have to provide a default version of this function since the
+ standards demand it. The version which is a bit more reasonable is
+ the BSD version. So make this the default. */
+int sigpause (int mask)
+{
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ if (SINGLE_THREAD_P)
+ return __sigpause (mask, 0);
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ int result = __sigpause (mask, 0);
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
+#else
+ return __sigpause (mask, 0);
+#endif
+}