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Diffstat (limited to 'REORG.TODO/mach/mach/mach_traps.h')
| -rw-r--r-- | REORG.TODO/mach/mach/mach_traps.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/REORG.TODO/mach/mach/mach_traps.h b/REORG.TODO/mach/mach/mach_traps.h new file mode 100644 index 0000000000..cd3d7b8924 --- /dev/null +++ b/REORG.TODO/mach/mach/mach_traps.h @@ -0,0 +1,84 @@ +/* Copyright (C) 1994-2017 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* Declare the few Mach system calls (except mach_msg, in <mach/message.h>). + This does not include the kernel RPC shortcut calls (in <mach-shortcuts.h>). + + This file omits the MACH_IPC_COMPAT functions. */ + +#ifndef _MACH_MACH_TRAPS_H + +#define _MACH_MACH_TRAPS_H_ 1 + +#include <mach/port.h> +#include <mach/message.h> /* mach_msg_timeout_t */ +#include <mach/kern_return.h> + +/* Create and return a new receive right. */ +extern mach_port_t mach_reply_port (void); +extern mach_port_t __mach_reply_port (void); + +/* Return the thread control port for the calling thread. */ +extern mach_port_t mach_thread_self (void); +extern mach_port_t __mach_thread_self (void); + +/* Return the task control port for the calling task. + The parens are needed to protect against the macro in <mach_init.h>. */ +extern mach_port_t (mach_task_self) (void); +extern mach_port_t (__mach_task_self) (void); + +/* Return the host information port for the host of the calling task. + The parens are needed to protect against the macro in <mach_init.h>. */ +extern mach_port_t (mach_host_self) (void); +extern mach_port_t (__mach_host_self) (void); + +/* Attempt to context switch the current thread off the processor. Returns + true if there are other threads that can be run and false if not. */ +extern boolean_t swtch (void); +extern boolean_t __swtch (void); + +/* Attempt to context switch the current thread off the processor. Lower + the thread's priority as much as possible. The thread's priority will + be restored when it runs again. PRIORITY is currently unused. Return + true if there are other threads that can be run and false if not. */ +extern boolean_t swtch_pri (int priority); +extern boolean_t __swtch_pri (int priority); + +/* Attempt to context switch the current thread off the processor. Try + to run NEW_THREAD next, ignoring normal scheduling policies. The + OPTION value comes from <mach/thread_switch.h>. If OPTION is + SWITCH_OPTION_WAIT, then block the current thread for TIME + milliseconds. If OPTION is SWITCH_OPTION_DEPRESS, then block for + TIME milliseconds and depress the thread's priority as done by + swtch_pri. If OPTION is SWITCH_OPTION_NONE, ignore TIME. */ +kern_return_t thread_switch (mach_port_t new_thread, + int option, mach_msg_timeout_t option_time); +kern_return_t __thread_switch (mach_port_t new_thread, + int option, mach_msg_timeout_t option_time); + +/* Block the current thread until the kernel (or device) event + identified by EVENT occurs. */ +kern_return_t evc_wait (unsigned int event); +kern_return_t __evc_wait (unsigned int event); + +/* Display a null-terminated character string on the Mach console. This + system call is meant as a debugging tool useful to circumvent messaging + altogether. */ + +extern void mach_print(const char *s); + +#endif /* mach/mach_traps.h */ |