bef0e3eb63
swapcontext, and makecontext). - Fix VM to not erroneously think the stack segment and data segment have collided when a user-space thread invokes brk(). - Add test51 to test ucontext functionality. - Add man pages for ucontext system calls.
24 lines
522 B
C
24 lines
522 B
C
#ifndef _MACHINE_MCONTEXT_H
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#define _MACHINE_MCONTEXT_H 1
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#include <machine/fpu.h>
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#include <machine/stackframe.h>
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#define MCF_MAGIC 0xc0ffee
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/* Context to describe processor state */
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typedef struct __mcontext {
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int mc_magic;
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struct stackframe_s mc_p_reg;
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#if (_MINIX_CHIP == _CHIP_INTEL)
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union fpu_state_u mc_fpu_state;
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#endif
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short mc_fpu_flags;
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} mcontext_t;
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_PROTOTYPE( int setmcontext, (const mcontext_t *mcp) );
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_PROTOTYPE( int getmcontext, (mcontext_t *mcp) );
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#endif /* _MACHINE_MCONTEXT_H */
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