diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/arm/bits/huge_val.h | 88 | ||||
| -rw-r--r-- | sysdeps/arm/dl-machine.h | 2 | ||||
| -rw-r--r-- | sysdeps/posix/getcwd.c | 10 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/acct.h | 49 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/ptrace.h | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/quota.h | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/reboot.h | 7 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/swap.h | 10 |
8 files changed, 140 insertions, 30 deletions
diff --git a/sysdeps/arm/bits/huge_val.h b/sysdeps/arm/bits/huge_val.h new file mode 100644 index 0000000000..0e07bd56cc --- /dev/null +++ b/sysdeps/arm/bits/huge_val.h @@ -0,0 +1,88 @@ +/* `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, 1995, 1996, 1997, 1998 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__ + +# define HUGE_VAL \ + (__extension__ \ + ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ + { __l: 0x000000007ff00000ULL }).__d) + +#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 C 9X extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */ + +#ifdef __USE_ISOC9X + +# ifdef __GNUC__ + +# define HUGE_VALF \ + (__extension__ \ + ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \ + { __l: 0x7f800000UL }).__d) + +# 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_ISOC9X. */ diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h index b0f364f8ff..66ab4c6de2 100644 --- a/sysdeps/arm/dl-machine.h +++ b/sysdeps/arm/dl-machine.h @@ -315,7 +315,7 @@ _dl_start_user: .word _dl_fini(GOT) .L_STACK_END: .word __libc_stack_end(GOT) -.L_MAIN_SEARCHLIST +.L_MAIN_SEARCHLIST: .word _dl_main_searchlist(GOT) .previous\n\ "); diff --git a/sysdeps/posix/getcwd.c b/sysdeps/posix/getcwd.c index 551fa7241e..7de5fd3a75 100644 --- a/sysdeps/posix/getcwd.c +++ b/sysdeps/posix/getcwd.c @@ -369,17 +369,19 @@ __getcwd (buf, size) } else { + char *tmp; + size *= 2; - buf = realloc (path, size); - if (buf == NULL) + tmp = realloc (path, size); + if (tmp == NULL) { (void) __closedir (dirstream); free (path); __set_errno (ENOMEM);/* closedir might have changed it.*/ goto lose; } - pathp = &buf[pathp - path + size / 2]; - path = buf; + pathp = &tmp[pathp - path + size / 2]; + path = tmp; /* Move current contents up to the end of the buffer. This is guaranteed to be non-overlapping. */ memcpy (pathp, pathp - size / 2, path + size - pathp); diff --git a/sysdeps/unix/sysv/linux/sys/acct.h b/sysdeps/unix/sysv/linux/sys/acct.h index 0b16d249af..bc203a2d11 100644 --- a/sysdeps/unix/sysv/linux/sys/acct.h +++ b/sysdeps/unix/sysv/linux/sys/acct.h @@ -23,36 +23,47 @@ #define __need_time_t #include <time.h> - +#include <sys/types.h> __BEGIN_DECLS #define ACCT_COMM 16 +/* + comp_t is a 16-bit "floating" point number with a 3-bit base 8 + exponent and a 13-bit fraction. See linux/kernel/acct.c for the + specific encoding system used. +*/ + +typedef u_int16_t comp_t; + struct acct { - char ac_comm[ACCT_COMM]; /* Accounting command name. */ - time_t ac_utime; /* Accounting user time. */ - time_t ac_stime; /* Accounting system time. */ - time_t ac_etime; /* Accounting elapsed time. */ - time_t ac_btime; /* Beginning time. */ - unsigned short int ac_uid; /* Accounting user ID. */ - unsigned short int ac_gid; /* Accounting group ID. */ - unsigned short int ac_tty; /* Controlling tty. */ - /* Please note that the value of the `ac_tty' field, a device number, - is encoded differently in the kernel and for the libc dev_t type. */ - char ac_flag; /* Accounting flag. */ - long int ac_minflt; /* Accounting minor pagefaults. */ - long int ac_majflt; /* Accounting major pagefaults. */ - long int ac_exitcode; /* Accounting process exitcode. */ + char ac_flag; /* Accounting flags. */ + u_int16_t ac_uid; /* Accounting user ID. */ + u_int16_t ac_gid; /* Accounting group ID. */ + u_int16_t ac_tty; /* Controlling tty. */ + u_int32_t ac_btime; /* Beginning time. */ + comp_t ac_utime; /* Accounting user time. */ + comp_t ac_stime; /* Accounting system time. */ + comp_t ac_etime; /* Accounting elapsed time. */ + comp_t ac_mem; /* Accounting average memory usage. */ + comp_t ac_io; /* Accounting chars transferred. */ + comp_t ac_rw; /* Accounting blocks read or written. */ + comp_t ac_minflt; /* Accounting minor pagefaults. */ + comp_t ac_majflt; /* Accounting major pagefaults. */ + comp_t ac_swaps; /* Accounting number of swaps. */ + u_int32_t ac_exitcode; /* Accounting process exitcode. */ + char ac_comm[ACCT_COMM+1]; /* Accounting command name. */ + char ac_pad[10]; /* Accounting padding bytes. */ }; enum { - AFORK = 0001, /* Has executed fork, but no exec. */ - ASU = 0002, /* Used super-user privileges. */ - ACORE = 0004, /* Dumped core. */ - AXSIG = 0010 /* Killed by a signal. */ + AFORK = 0x01, /* Has executed fork, but no exec. */ + ASU = 0x02, /* Used super-user privileges. */ + ACORE = 0x08, /* Dumped core. */ + AXSIG = 0x10 /* Killed by a signal. */ }; #define AHZ 100 diff --git a/sysdeps/unix/sysv/linux/sys/ptrace.h b/sysdeps/unix/sysv/linux/sys/ptrace.h index 33beb50b72..6c5d580d7b 100644 --- a/sysdeps/unix/sysv/linux/sys/ptrace.h +++ b/sysdeps/unix/sysv/linux/sys/ptrace.h @@ -18,8 +18,8 @@ Boston, MA 02111-1307, USA. */ #ifndef _SYS_PTRACE_H - #define _SYS_PTRACE_H 1 + #include <features.h> __BEGIN_DECLS @@ -100,6 +100,7 @@ enum __ptrace_request /* Continue and stop at the next (return from) syscall. */ PTRACE_SYSCALL = 24, +#define PTRACE_SYSCALL PTRACE_SYSCALL }; /* Perform process tracing functions. REQUEST is one of the values diff --git a/sysdeps/unix/sysv/linux/sys/quota.h b/sysdeps/unix/sysv/linux/sys/quota.h index bcbbfa5ddb..3ea52b0393 100644 --- a/sysdeps/unix/sysv/linux/sys/quota.h +++ b/sysdeps/unix/sysv/linux/sys/quota.h @@ -106,6 +106,7 @@ #define Q_SYNC 0x0600 /* sync disk copy of a filesystems quotas */ #define Q_SETQLIM 0x0700 /* set limits */ #define Q_GETSTATS 0x0800 /* get collected stats */ +#define Q_RSQUASH 0x1000 /* set root_squash option */ /* * The following structure defines the format of the disk quota file diff --git a/sysdeps/unix/sysv/linux/sys/reboot.h b/sysdeps/unix/sysv/linux/sys/reboot.h index 4d249aaaaa..dd7a71b4c6 100644 --- a/sysdeps/unix/sysv/linux/sys/reboot.h +++ b/sysdeps/unix/sysv/linux/sys/reboot.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 1998 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 @@ -20,8 +20,8 @@ bits in the argument to the `reboot' system call. */ #ifndef _SYS_REBOOT_H - #define _SYS_REBOOT_H 1 + #include <features.h> /* Perform a hard reset now. */ @@ -36,6 +36,9 @@ /* Disable reboot using Ctrl-Alt-Delete keystroke. */ #define RB_DISABLE_CAD 0 +/* Stop system and switch power off if possible. */ +#define RB_POWER_OFF 0x4321fedc + __BEGIN_DECLS /* Reboot or halt the system. */ diff --git a/sysdeps/unix/sysv/linux/sys/swap.h b/sysdeps/unix/sysv/linux/sys/swap.h index 13921eadc6..e84c365206 100644 --- a/sysdeps/unix/sysv/linux/sys/swap.h +++ b/sysdeps/unix/sysv/linux/sys/swap.h @@ -1,5 +1,5 @@ /* Calls to enable and disable swapping on specified locations. Linux version. - Copyright (C) 1996 Free Software Foundation, Inc. + Copyright (C) 1996, 1998 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 @@ -22,8 +22,12 @@ #define _SYS_SWAP_H 1 #include <features.h> -/* Get constants from kernel headers. */ -#include <linux/swap.h> +/* The swap priority is encoded as: + (prio << SWAP_FLAG_PRIO_SHIFT) & SWAP_FLAG_PRIO_MASK +*/ +#define SWAP_FLAG_PREFER 0x8000 /* Set if swap priority is specified. */ +#define SWAP_FLAG_PRIO_MASK 0x7fff +#define SWAP_FLAG_PRIO_SHIFT 0 __BEGIN_DECLS |