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-rw-r--r--sysdeps/unix/sysv/linux/pselect32.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/pselect32.c b/sysdeps/unix/sysv/linux/pselect32.c
new file mode 100644
index 0000000000..0a2a7ac752
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pselect32.c
@@ -0,0 +1,47 @@
+/* Synchronous I/O multiplexing. Linux 32-bit time fallback.
+ Copyright (C) 2020 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, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <sys/select.h>
+#include <sysdep-cancel.h>
+
+#ifndef __ASSUME_TIME64_SYSCALLS
+
+int
+__pselect32 (int nfds, fd_set *readfds, fd_set *writefds,
+ fd_set *exceptfds, const struct __timespec64 *timeout,
+ const sigset_t *sigmask)
+{
+ struct timespec ts32, *pts32 = NULL;
+ if (timeout != NULL)
+ {
+ if (! in_time_t_range (timeout->tv_sec))
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ ts32 = valid_timespec64_to_timespec (*timeout);
+ pts32 = &ts32;
+ }
+
+ return SYSCALL_CANCEL (pselect6, nfds, readfds, writefds, exceptfds,
+ pts32,
+ ((__syscall_ulong_t[]){ (uintptr_t) sigmask,
+ __NSIG_BYTES }));
+}
+#endif