[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/sigintr.c b/ap/build/uClibc/libc/signal/sigintr.c
new file mode 100644
index 0000000..10567e9
--- /dev/null
+++ b/ap/build/uClibc/libc/signal/sigintr.c
@@ -0,0 +1,56 @@
+/* Copyright (C) 1992, 1994, 1996, 2002 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 <stddef.h>
+#include <signal.h>
+#include <errno.h>
+
+
+/* If INTERRUPT is nonzero, make signal SIG interrupt system calls
+ (causing them to fail with EINTR); if INTERRUPT is zero, make system
+ calls be restarted after signal SIG. */
+#ifdef SA_RESTART
+extern sigset_t _sigintr attribute_hidden; /* Defined in signal.c. */
+#endif
+
+int siginterrupt (int sig, int interrupt)
+{
+#ifdef SA_RESTART
+ struct sigaction action;
+
+ /* Fails if sig is bad. */
+ if (sigaction (sig, NULL, &action) < 0)
+ return -1;
+
+ if (interrupt)
+ {
+ __sigaddset (&_sigintr, sig);
+ action.sa_flags &= ~SA_RESTART;
+ }
+ else
+ {
+ __sigdelset (&_sigintr, sig);
+ action.sa_flags |= SA_RESTART;
+ }
+
+ return sigaction (sig, &action, NULL);
+#else
+ __set_errno (ENOSYS);
+ return -1;
+#endif
+}