diff options
Diffstat (limited to 'libc/sysdeps/linux')
| -rw-r--r-- | libc/sysdeps/linux/arm/bits/huge_val.h | 104 | ||||
| -rw-r--r-- | libc/sysdeps/linux/arm/bits/msq.h | 77 |
2 files changed, 181 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arm/bits/huge_val.h b/libc/sysdeps/linux/arm/bits/huge_val.h new file mode 100644 index 000000000..841b4b0d6 --- /dev/null +++ b/libc/sysdeps/linux/arm/bits/huge_val.h @@ -0,0 +1,104 @@ +/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity). + Used by <stdlib.h> and <math.h> functions for overflow. + ARM version. + Copyright (C) 1992, 95, 96, 97, 98, 99, 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _MATH_H +# error "Never use <bits/huge_val.h> directly; include <math.h> instead." +#endif + +#include <features.h> + +/* IEEE positive infinity (-HUGE_VAL is negative infinity). */ + +#ifdef __GNUC__ + +# if __GNUC_PREREQ(2,96) + +# define HUGE_VAL (__extension__ 0x1.0p2047) + +# else + +# define HUGE_VAL \ + (__extension__ \ + ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ + { __l: 0x000000007ff00000ULL }).__d) + +# endif + +#else /* not GCC */ + +# include <endian.h> + +typedef union { unsigned char __c[8]; double __d; } __huge_val_t; + +# if __BYTE_ORDER == __BIG_ENDIAN +# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 } +# endif +# if __BYTE_ORDER == __LITTLE_ENDIAN +# define __HUGE_VAL_bytes { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 } +# endif + +static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; +# define HUGE_VAL (__huge_val.__d) + +#endif /* GCC. */ + + +/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */ + +#ifdef __USE_ISOC99 + +# ifdef __GNUC__ + +# if __GNUC_PREREQ(2,96) + +# define HUGE_VALF (__extension__ 0x1.0p255f) + +# else + +# define HUGE_VALF \ + (__extension__ \ + ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \ + { __l: 0x7f800000UL }).__d) + +# endif + +# else /* not GCC */ + +typedef union { unsigned char __c[4]; float __f; } __huge_valf_t; + +# if __BYTE_ORDER == __BIG_ENDIAN +# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 } +# endif +# if __BYTE_ORDER == __LITTLE_ENDIAN +# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f } +# endif + +static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes }; +# define HUGE_VALF (__huge_valf.__f) + +# endif /* GCC. */ + + +/* Generally there is no separate `long double' format and it is the + same as `double'. */ +# define HUGE_VALL HUGE_VAL + +#endif /* __USE_ISOC99. */ diff --git a/libc/sysdeps/linux/arm/bits/msq.h b/libc/sysdeps/linux/arm/bits/msq.h new file mode 100644 index 000000000..7088ae209 --- /dev/null +++ b/libc/sysdeps/linux/arm/bits/msq.h @@ -0,0 +1,77 @@ +/* Copyright (C) 1995, 1996, 1997, 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_MSG_H +# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." +#endif + +#include <bits/types.h> + +/* Define options for message queue functions. */ +#define MSG_NOERROR 010000 /* no error if message is too big */ +#ifdef __USE_GNU +# define MSG_EXCEPT 020000 /* recv any msg except of specified type */ +#endif + +/* Types used in the structure definition. */ +typedef unsigned long int msgqnum_t; +typedef unsigned long int msglen_t; + + +/* Structure of record for one message inside the kernel. + The type `struct msg' is opaque. */ +struct msqid_ds +{ + struct ipc_perm msg_perm; /* structure describing operation permission */ + __time_t msg_stime; /* time of last msgsnd command */ + unsigned long int __unused1; + __time_t msg_rtime; /* time of last msgrcv command */ + unsigned long int __unused2; + __time_t msg_ctime; /* time of last change */ + unsigned long int __unused3; + unsigned long int __msg_cbytes; /* current number of bytes on queue */ + msgqnum_t msg_qnum; /* number of messages currently on queue */ + msglen_t msg_qbytes; /* max number of bytes allowed on queue */ + __pid_t msg_lspid; /* pid of last msgsnd() */ + __pid_t msg_lrpid; /* pid of last msgrcv() */ + unsigned long int __unused4; + unsigned long int __unused5; +}; + +#ifdef __USE_MISC + +# define msg_cbytes __msg_cbytes + +/* ipcs ctl commands */ +# define MSG_STAT 11 +# define MSG_INFO 12 + +/* buffer for msgctl calls IPC_INFO, MSG_INFO */ +struct msginfo + { + int msgpool; + int msgmap; + int msgmax; + int msgmnb; + int msgmni; + int msgssz; + int msgtql; + unsigned short int msgseg; + }; + +#endif /* __USE_MISC */ |