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| -rw-r--r-- | ChangeLog.x32 | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/x32/pselect.c | 70 |
2 files changed, 74 insertions, 0 deletions
diff --git a/ChangeLog.x32 b/ChangeLog.x32 index 7f71f1f543..7367d0da94 100644 --- a/ChangeLog.x32 +++ b/ChangeLog.x32 @@ -1,5 +1,9 @@ 2011-11-21 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/unix/sysv/linux/x86_64/x32/pselect.c: New. + +2011-11-21 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list: New. 2011-11-21 H.J. Lu <hongjiu.lu@intel.com> diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/pselect.c b/sysdeps/unix/sysv/linux/x86_64/x32/pselect.c new file mode 100644 index 0000000000..01a0a91436 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/x32/pselect.c @@ -0,0 +1,70 @@ +/* Copyright (C) 2011 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> +#include <signal.h> +#include <time.h> +#include <sys/poll.h> +#include <sysdep-cancel.h> + + +int +__pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, + const struct timespec *timeout, const sigset_t *sigmask) +{ + /* The Linux kernel can in some situations update the timeout value. + We do not want that so use a local variable. */ + struct timespec tval; + if (timeout != NULL) + { + tval = *timeout; + timeout = &tval; + } + + /* Note: the system call expects 7 values but on most architectures + we can only pass in 6 directly. If there is an architecture with + support for more parameters a new version of this file needs to + be created. */ + struct + { + const sigset_t *ss; + unsigned long long ss_len; + } data; + + data.ss = sigmask; + data.ss_len = _NSIG / 8; + + int result; + + if (SINGLE_THREAD_P) + result = INLINE_SYSCALL (pselect6, 6, nfds, readfds, writefds, + exceptfds, timeout, &data); + else + { + int oldtype = LIBC_CANCEL_ASYNC (); + + result = INLINE_SYSCALL (pselect6, 6, nfds, readfds, writefds, + exceptfds, timeout, &data); + + LIBC_CANCEL_RESET (oldtype); + } + + return result; +} +weak_alias (__pselect, pselect) +strong_alias (__pselect, __libc_pselect) |