minix/kernel/system.h

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/* Function prototypes for the system library. The prototypes in this file
* are undefined to do_unused if the kernel call is not enabled in config.h.
* The implementation is contained in src/kernel/system/.
*
* The system library allows to access system services by doing a system call.
* System calls are transformed into request messages to the SYS task that is
* responsible for handling the call. By convention, sys_call() is transformed
* into a message with type SYS_CALL that is handled in a function do_call().
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*/
#ifndef SYSTEM_H
#define SYSTEM_H
/* Common includes for the system library. */
#include "kernel.h"
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#include "proc.h"
/* Default handler for unused kernel calls. */
_PROTOTYPE( int do_unused, (message *m_ptr) );
_PROTOTYPE( int do_exec, (message *m_ptr) );
#if ! USE_EXEC
#define do_exec do_unused
#endif
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_PROTOTYPE( int do_fork, (message *m_ptr) );
#if ! USE_FORK
#define do_fork do_unused
#endif
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_PROTOTYPE( int do_newmap, (message *m_ptr) );
#if ! USE_NEWMAP
#define do_newmap do_unused
#endif
_PROTOTYPE( int do_exit, (message *m_ptr) );
#if ! USE_EXIT
#define do_exit do_unused
#endif
_PROTOTYPE( int do_trace, (message *m_ptr) );
#if ! USE_TRACE
#define do_trace do_unused
#endif
_PROTOTYPE( int do_nice, (message *m_ptr) );
#if ! USE_NICE
#define do_nice do_unused
#endif
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_PROTOTYPE( int do_copy, (message *m_ptr) );
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#define do_vircopy do_copy
#define do_physcopy do_copy
#if ! (USE_VIRCOPY || USE_PHYSCOPY)
#define do_copy do_unused
#endif
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_PROTOTYPE( int do_vcopy, (message *m_ptr) );
#define do_virvcopy do_vcopy
#define do_physvcopy do_vcopy
#if ! (USE_VIRVCOPY || USE_PHYSVCOPY)
#define do_vcopy do_unused
#endif
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_PROTOTYPE( int do_umap, (message *m_ptr) );
#if ! USE_UMAP
#define do_umap do_unused
#endif
_PROTOTYPE( int do_memset, (message *m_ptr) );
#if ! USE_MEMSET
#define do_memset do_unused
#endif
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_PROTOTYPE( int do_abort, (message *m_ptr) );
#if ! USE_ABORT
#define do_abort do_unused
#endif
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_PROTOTYPE( int do_getinfo, (message *m_ptr) );
#if ! USE_GETINFO
#define do_getinfo do_unused
#endif
_PROTOTYPE( int do_privctl, (message *m_ptr) );
#if ! USE_PRIVCTL
#define do_privctl do_unused
#endif
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_PROTOTYPE( int do_segctl, (message *m_ptr) );
#if ! USE_SEGCTL
#define do_segctl do_unused
#endif
_PROTOTYPE( int do_irqctl, (message *m_ptr) );
#if ! USE_IRQCTL
#define do_irqctl do_unused
#endif
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_PROTOTYPE( int do_devio, (message *m_ptr) );
#if ! USE_DEVIO
#define do_devio do_unused
#endif
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_PROTOTYPE( int do_vdevio, (message *m_ptr) );
#if ! USE_VDEVIO
#define do_vdevio do_unused
#endif
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_PROTOTYPE( int do_sdevio, (message *m_ptr) );
#if ! USE_SDEVIO
#define do_sdevio do_unused
#endif
_PROTOTYPE( int do_kill, (message *m_ptr) );
#if ! USE_KILL
#define do_kill do_unused
#endif
_PROTOTYPE( int do_getksig, (message *m_ptr) );
#if ! USE_GETKSIG
#define do_getksig do_unused
#endif
_PROTOTYPE( int do_endksig, (message *m_ptr) );
#if ! USE_ENDKSIG
#define do_endksig do_unused
#endif
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_PROTOTYPE( int do_sigsend, (message *m_ptr) );
#if ! USE_SIGSEND
#define do_sigsend do_unused
#endif
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_PROTOTYPE( int do_sigreturn, (message *m_ptr) );
#if ! USE_SIGRETURN
#define do_sigreturn do_unused
#endif
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_PROTOTYPE( int do_times, (message *m_ptr) );
#if ! USE_TIMES
#define do_times do_unused
#endif
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_PROTOTYPE( int do_setalarm, (message *m_ptr) );
#if ! USE_SETALARM
#define do_setalarm do_unused
#endif
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#endif /* SYSTEM_H */