1 /* Copyright (C) 1998, 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #include <bits/errno.h>
23 /* The problem here is that initially we made struct timeval compatible with
24 OSF/1, using int32. But we defined time_t with uint64, and later found
25 that POSIX requires tv_sec to be time_t.
27 So now we have to do compatibility stuff. */
29 /* The variable is shared between all wrappers around signal handling
30 functions which have RT equivalents. */
31 .comm __libc_missing_axp_tv64, 4
35 #if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
36 #define SELECT __select_tv64
38 #define SELECT __select
52 ldl t0, __libc_missing_axp_tv64
54 /* Save timeout early, since we'll need to recover this after
60 /* Save arguments in case we do need to fall back. */
66 ldi v0, SYS_ify(select)
74 /* If we didn't get ENOSYS, it is a real error. */
76 $err64: cmpeq v0, ENOSYS, t0
78 stl t0, __libc_missing_axp_tv64
80 /* Recover the saved arguments. */
89 /* If the timeout argument is present bounce to the smaller fmt. */
97 1: ldi v0, SYS_ify(osf_select)
101 /* ... and bounce the remaining timeout back. */
115 SYSCALL_ERROR_HANDLER
119 #if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
120 default_symbol_version (__select_tv64, __select, GLIBC_2.1)
122 /* It seems to me to be a misfeature of the assembler that we can only
123 have one version-alias per symbol. So create an alias ourselves.
124 The 'p' is for 'public'. *Shrug* */
125 strong_alias (__select_tv64, __select_tv64p)
126 default_symbol_version (__select_tv64p, select, GLIBC_2.1)
127 libc_hidden_ver (__select_tv64, __select)
129 weak_alias (__select, select)
130 libc_hidden_def (__select)