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{
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by Jonas Maebe,
member of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program 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.
**********************************************************************}
Const { For sending a signal }
SA_NOCLDSTOP = $01;
SA_NOCLDWAIT = $02;
SA_RESETHAND = $04;
SA_NODEFER = $08;
SA_RESTART = $10;
SA_ONSTACK = $20;
SA_SIGINFO = $40;
SA_NOMASK = SA_NODEFER;
SA_STACK = SA_ONSTACK;
SA_ONESHOT = SA_RESETHAND;
SIG_BLOCK = 1;
SIG_UNBLOCK = 2;
SIG_SETMASK = 3;
{ values for ss_flags }
SS_ONSTACK = $1;
SS_DISABLE = $2;
MINSIGSTKSZ = 4096;
SIGSTKSZ = 16384;
{Haiku Checked}
{
The numbering of signals for BeOS attempts to maintain
some consistency with UN*X conventions so that things
like "kill -9" do what you expect.
}
SIG_DFL = 0;
SIG_IGN = 1;
SIG_ERR = -1;
SIG_HOLD = 3;
SIGHUP = 1;
SIGINT = 2;
SIGQUIT = 3;
SIGILL = 4;
SIGCHLD = 5;
SIGABRT = 6;
SIGPIPE = 7;
SIGFPE = 8;
SIGKILL = 9;
SIGSTOP = 10;
SIGSEGV = 11;
SIGCONT = 12;
SIGTSTP = 13;
SIGALRM = 14;
SIGTERM = 15;
SIGTTIN = 16;
SIGTTOU = 17;
SIGUSR1 = 18;
SIGUSR2 = 19;
SIGWINCH = 20;
SIGKILLTHR = 21;
SIGTRAP = 22;
SIGPOLL = 23;
SIGPROF = 24;
SIGSYS = 25;
SIGURG = 26;
SIGVTALRM = 27;
SIGXCPU = 28;
SIGXFSZ = 29;
SIGBUS = 30;
SIGRESERVED1 = 31;
SIGRESERVED2 = 32;
{
Signal numbers 23-32 are currently free but may be used in future
releases. Use them at your own peril (if you do use them, at least
be smart and use them backwards from signal 32).
}
{$packrecords C}
const
SI_PAD_SIZE = ((128/sizeof(longint)) - 3);
{
* The sequence of the fields/registers in struct sigcontext should match
* those in mcontext_t.
}
type
packed_fp_stack = packed record
st0 : array[0..9] of byte;
st1 : array[0..9] of byte;
st2 : array[0..9] of byte;
st3 : array[0..9] of byte;
st4 : array[0..9] of byte;
st5 : array[0..9] of byte;
st6 : array[0..9] of byte;
st7 : array[0..9] of byte;
end;
packed_mmx_regs = packed record
mm0 : array[0..9] of byte;
mm1 : array[0..9] of byte;
mm2 : array[0..9] of byte;
mm3 : array[0..9] of byte;
mm4 : array[0..9] of byte;
mm5 : array[0..9] of byte;
mm6 : array[0..9] of byte;
mm7 : array[0..9] of byte;
end;
old_extended_regs = packed record
fp_control : word;
_reserved1 : word;
fp_status : word;
_reserved2 : word;
fp_tag : word;
_reserved3 : word;
fp_eip : cardinal;
fp_cs : word;
fp_opcode : word;
fp_datap : word;
fp_ds : word;
_reserved4 : word;
fp_mmx : record
case fp_mmx : byte of
0 : (fp : packed_fp_stack);
1 : (mmx : packed_mmx_regs);
end;
end;
fp_stack = record
st0 : array[0..9] of byte;
_reserved_42_47 : array[0..5] of byte;
st1 : array[0..9] of byte;
_reserved_58_63 : array[0..5] of byte;
st2 : array[0..9] of byte;
_reserved_74_79 : array[0..5] of byte;
st3 : array[0..9] of byte;
_reserved_90_95 : array[0..5] of byte;
st4 : array[0..9] of byte;
_reserved_106_111 : array[0..5] of byte;
st5 : array[0..9] of byte;
_reserved_122_127 : array[0..5] of byte;
st6 : array[0..9] of byte;
_reserved_138_143 : array[0..5] of byte;
st7 : array[0..9] of byte;
_reserved_154_159 : array[0..5] of byte;
end;
mmx_regs = record
mm0 : array[0..9] of byte;
_reserved_42_47 : array[0..5] of byte;
mm1 : array[0..9] of byte;
_reserved_58_63 : array[0..5] of byte;
mm2 : array[0..9] of byte;
_reserved_74_79 : array[0..5] of byte;
mm3 : array[0..9] of byte;
_reserved_90_95 : array[0..5] of byte;
mm4 : array[0..9] of byte;
_reserved_106_111 : array[0..5] of byte;
mm5 : array[0..9] of byte;
_reserved_122_127 : array[0..5] of byte;
mm6 : array[0..9] of byte;
_reserved_138_143 : array[0..5] of byte;
mm7 : array[0..9] of byte;
_reserved_154_159 : array[0..5] of byte;
end;
xmmx_regs = record
xmm0 : array [0..15] of byte;
xmm1 : array [0..15] of byte;
xmm2 : array [0..15] of byte;
xmm3 : array [0..15] of byte;
xmm4 : array [0..15] of byte;
xmm5 : array [0..15] of byte;
xmm6 : array [0..15] of byte;
xmm7 : array [0..15] of byte;
end;
new_extended_regs = record
fp_control : word;
fp_status : word;
fp_tag : word;
fp_opcode : word;
fp_eip : Cardinal;
fp_cs : word;
res_14_15 : word;
fp_datap : Cardinal;
fp_ds : word;
_reserved_22_23 : word;
mxcsr : Cardinal;
_reserved_28_31 : Cardinal;
fp_mmx : record
case byte of
0 : (fp : fp_stack);
1 : (mmx : mmx_regs);
end;
xmmx : xmmx_regs;
_reserved_288_511 : array[0..223] of byte;
end;
extended_regs = record
state : record
case byte of
0 : (old_format : old_extended_regs);
1 : (new_format : new_extended_regs);
end;
format : Cardinal;
end;
vregs = record
eip : Cardinal;
eflags : cardinal;
eax : Cardinal;
ecx : Cardinal;
edx : Cardinal;
esp : Cardinal;
ebp : Cardinal;
_reserved_1 : Cardinal;
xregs : extended_regs;
_reserved_2 : array[0..2] of Cardinal;
end;
Pvregs = ^vregs;
sigset_t = array[0..1] of Cardinal;
PSigContext = ^vregs;
PSigContextRec = ^SigContextRec;
SigContextRec = record
sc_mask : sigset_t; { signal mask to restore }
sc_onstack : longint; { sigstack state to restore }
sc_gs : longint; { machine state (struct trapframe): }
sc_fs : longint;
sc_es : longint;
sc_ds : longint;
sc_edi : longint;
sc_esi : longint;
sc_ebp : longint;
sc_isp : longint;
sc_ebx : longint;
sc_edx : longint;
sc_ecx : longint;
sc_eax : longint;
sc_trapno : longint;
sc_err : longint;
sc_eip : longint;
sc_cs : longint;
sc_efl : longint;
sc_esp : longint;
sc_ss : longint;
{
* XXX FPU state is 27 * 4 bytes h/w, 1 * 4 bytes s/w (probably not
* needed here), or that + 16 * 4 bytes for emulators (probably all
* needed here). The "spare" bytes are mostly not spare.
}
en_cw : cardinal; { control word (16bits used) }
en_sw : cardinal; { status word (16bits) }
en_tw : cardinal; { tag word (16bits) }
en_fip : cardinal; { floating point instruction pointer }
en_fcs : word; { floating code segment selector }
en_opcode : word; { opcode last executed (11 bits ) }
en_foo : cardinal; { floating operand offset }
en_fos : cardinal; { floating operand segment selector }
fpr_acc : array[0..79] of char;
fpr_ex_sw : cardinal;
fpr_pad : array[0..63] of char;
end;
Sigval = Record
Case Boolean OF
{ Members as suggested by Annex C of POSIX 1003.1b. }
false : (sigval_int : Longint);
True : (sigval_ptr : Pointer);
End;
PSigInfo = ^SigInfo_t;
PSigInfo_t = ^SigInfo_t;
SigInfo_t = packed record
si_signo, { signal number }
si_code, { signal code }
si_errno, { errno association }
si_pid : pid_t; { sending process }
si_uid : uid_t; { sender's ruid }
si_addr : Pointer; { faulting instruction }
si_status : Longint; { exit value }
si_band : Cardinal; { band event for SIGPOLL }
si_value : SigVal; { signal value }
end;
TSigInfo = SigInfo_t;
TSigInfo_t = TSigInfo;
SignalHandler = Procedure(Sig : Longint);cdecl;
PSignalHandler = ^SignalHandler;
SignalRestorer = Procedure;cdecl;
PSignalRestorer = ^SignalRestorer;
sigActionHandler = procedure(Sig: Longint; SigInfo: PSigInfo; uContext : PSigContext);cdecl;
Sigset=sigset_t;
TSigset=sigset_t;
PSigSet = ^SigSet;
psigset_t=psigset;
SigActionRec = packed record
// Handler : record
sa_handler : sigActionHandler;
// case byte of
// 0: (Sh: SignalHandler);
// 1: (Sa: TSigAction);
// end;
sa_Mask : SigSet;
sa_Flags : Longint;
sa_userdata : pointer
end;
PSigActionRec = ^SigActionRec;
{$PACKRECORDS C}
pstack_t = ^stack_t;
stack_t = packed record
ss_sp: pChar; {* signal stack base *}
ss_size: size_t; {* signal stack length *}
ss_flags: cInt; {* SS_DISABLE and/or SS_ONSTACK *}
end;
TStack = stack_t;
PStack = pstack_t;
{
Change action of process upon receipt of a signal.
Signum specifies the signal (all except SigKill and SigStop).
If Act is non-nil, it is used to specify the new action.
If OldAct is non-nil the previous action is saved there.
}
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