diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/bits/sigstack.h | 55 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/bits/sigstack.h | 16 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/syscalls.list | 2 |
4 files changed, 82 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 78d00ae9dd..09e12a028e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +1998-06-10 Ulrich Drepper <drepper@cygnus.com> + + * sysdeps/unix/sysv/linux/syscalls.list: Add sigaltstack and + sigstack. + + * sysdeps/unix/sysv/linux/bits/sigstack.h: Add definitions of + SS_ONSTACK, SS_DISABLE, MINSIGSTKSZ and SIGSTKSZ. + * sysdeps/unix/sysv/linux/alpha/bits/sigstack.h: New file. + 1998-06-08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/i386/dl-machine.h (_dl_start_user): Store stack address diff --git a/sysdeps/unix/sysv/linux/alpha/bits/sigstack.h b/sysdeps/unix/sysv/linux/alpha/bits/sigstack.h new file mode 100644 index 0000000000..bc993d130a --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/bits/sigstack.h @@ -0,0 +1,55 @@ +/* sigstack, sigaltstack definitions. + Copyright (C) 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 _SIGNAL_H +# error "Never include this file directly. Use <signal.h> instead" +#endif + + +/* Structure describing a signal stack (obsolete). */ +struct sigstack + { + __ptr_t ss_sp; /* Signal stack pointer. */ + int ss_onstack; /* Nonzero if executing on this stack. */ + }; + + +/* Possible values for `ss_flags.'. */ +enum +{ + SS_ONSTACK = 1, +#define SS_ONSTACK SS_ONSTACK + SS_DISABLE +#define SS_DISABLE SS_DISABLE +}; + +/* Minimum stack size for a signal handler. */ +#define MINSIGSTKSZ 4096 + +/* System default stack size. */ +#define SIGSTKSZ 16384 + + +/* Alternate, preferred interface. */ +typedef struct sigaltstack + { + __ptr_t ss_sp; + int ss_flags; + size_t ss_size; + } stack_t; diff --git a/sysdeps/unix/sysv/linux/bits/sigstack.h b/sysdeps/unix/sysv/linux/bits/sigstack.h index a86473839c..905e87fd95 100644 --- a/sysdeps/unix/sysv/linux/bits/sigstack.h +++ b/sysdeps/unix/sysv/linux/bits/sigstack.h @@ -30,6 +30,22 @@ struct sigstack }; +/* Possible values for `ss_flags.'. */ +enum +{ + SS_ONSTACK = 1, +#define SS_ONSTACK SS_ONSTACK + SS_DISABLE +#define SS_DISABLE SS_DISABLE +}; + +/* Minimum stack size for a signal handler. */ +#define MINSIGSTKSZ 2048 + +/* System default stack size. */ +#define SIGSTKSZ 8192 + + /* Alternate, preferred interface. */ typedef struct sigaltstack { diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list index f606ed10bb..739e29c536 100644 --- a/sysdeps/unix/sysv/linux/syscalls.list +++ b/sysdeps/unix/sysv/linux/syscalls.list @@ -72,6 +72,8 @@ setfsuid EXTRA setfsuid 1 setfsuid setpgid - setpgid 2 __setpgid setpgid setresgid EXTRA setresgid 3 setresgid setresuid EXTRA setresuid 3 setresuid +sigaltstack - sigaltstack 2 sigaltstack +sigstack - sigstack 2 sigstack sys_fstat fxstat fstat 2 __syscall_fstat sys_lstat lxstat lstat 2 __syscall_lstat sys_mknod xmknod mknod 3 __syscall_mknod |