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const
{* Used by swapcontext(3). *}
UCF_SWAPPED = $00000001;
_MC_FPFMT_NODEV = $10000; {* device not present or configured *}
_MC_FPFMT_387 = $10001;
_MC_FPFMT_XMM = $10002;
_MC_FPOWNED_NONE = $20000; {* FP state not used *}
_MC_FPOWNED_FPU = $20001; {* FP state came from FPU *}
_MC_FPOWNED_PCB = $20002; {* FP state came from PCB *}
type
plwpid_t = ^lwpid_t;
lwpid_t = cint32;
TLwPid = lwpid_t;
PLwPid = ^lwpid_t;
{$packrecords 16}
TMCFPStateArray = record
items: array[0..127] of cInt;
end;
{$packrecords C}
mcontext_t = record
{*
* The first 20 fields must match the definition of
* sigcontext. So that we can support sigcontext
* and ucontext_t at the same time.
*}
mc_onstack: cInt; {* XXX - sigcontext compat. *}
mc_gs: cInt; {* machine state (struct trapframe) *}
mc_fs: cInt;
mc_es: cInt;
mc_ds: cInt;
mc_edi: cInt;
mc_esi: cInt;
mc_ebp: cInt;
mc_isp: cInt;
mc_ebx: cInt;
mc_edx: cInt;
mc_ecx: cInt;
mc_eax: cInt;
mc_trapno: cInt;
mc_err: cInt;
mc_eip: cInt;
mc_cs: cInt;
mc_eflags: cInt;
mc_esp: cInt;
mc_ss: cInt;
mc_len: cInt; {* sizeof(mcontext_t) *}
mc_fpformat: cInt;
mc_ownedfp: cInt;
mc_spare1: array[0..0] of cInt; {* align next field to 16 bytes *}
mc_fpstate: TMCFPStateArray;
mc_spare2: array[0..7] of cInt;
end;
pucontext_t = ^ucontext_t;
ucontext_t = record // required for kse threads
{*
* Keep the order of the first two fields. Also,
* keep them the first two fields in the structure.
* This way we can have a union with struct
* sigcontext and ucontext_t. This allows us to
* support them both at the same time.
* note: the union is not defined, though.
*}
uc_sigmask: sigset_t;
uc_mcontext: mcontext_t;
uc_link: pucontext_t;
uc_stack: stack_t;
uc_flags: cInt;
__spare__: array[0..3] of cInt;
end;
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