diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/pselect32.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/pselect32.c | 47 |
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 |