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# system.c File Reference

`#include <mpi/mpi.h>`
`#include <lib/kmalloc.h>`
`#include <lib/string.h>`
`#include <ubixos/spinlock.h>`

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## Functions
int | mpi_createMbox (char *name)
int | mpi_destroyMbox (char *name)
int | mpi_fetchMessage (char *name, mpi_message_t *msg)
static mpi_mbox_t * | mpi_findMbox (char *name)
int | mpi_postMessage (char *name, uInt32 type, mpi_message_t *msg)
int | mpi_spam (uInt32 type, void *data)
## Variables
static mpi_mbox_t * | mboxList = 0x0
static spinLock_t | mpiSpinLock = SPIN_LOCK_INITIALIZER

## Function Documentation

int mpi_createMbox | ( | char * | name | ) |

Definition at line 69 of file system.c.

References _current, taskStruct::id, kmalloc(), mboxList, mpi_findMbox(), mpiSpinLock, mpi_mbox::name, mpi_mbox::next, mpi_mbox::pid, mpi_mbox::prev, spinLock(), spinUnlock(), and sprintf().

Referenced by sysMpiCreateMbox(), systemTask(), and ubixfs_thread().

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int mpi_destroyMbox | ( | char * | name | ) |

Definition at line 234 of file system.c.

References _current, taskStruct::id, kfree(), mboxList, mpiSpinLock, mpi_mbox::name, mpi_mbox::next, mpi_mbox::pid, mpi_mbox::prev, spinLock(), spinUnlock(), and strcmp().

Referenced by sysMpiDestroyMbox().

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int mpi_fetchMessage | ( | char * | name,
|  | mpi_message_t * | msg |
| ) |  |  |

Definition at line 189 of file system.c.

References _current, mpi_message::data, mpi_message::header, taskStruct::id, kfree(), memcpy(), MESSAGE_LENGTH, mpi_findMbox(), mpiSpinLock, mpi_mbox::msg, mpi_message::next, mpi_message::pid, mpi_mbox::pid, spinLock(), and spinUnlock().

Referenced by sysMpiFetchMessage(), systemTask(), and ubixfs_thread().

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static mpi_mbox_t* mpi_findMbox | ( | char * | name | ) | `[static]`

Definition at line 47 of file system.c.

References mboxList, mpi_mbox::name, mpi_mbox::next, and strcmp().

Referenced by mpi_createMbox(), mpi_fetchMessage(), and mpi_postMessage().

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int mpi_postMessage | ( | char * | name,
|  | uInt32 | type,
|  | mpi_message_t * | msg |
| ) |  |  |

Definition at line 143 of file system.c.

References _current, mpi_message::data, mpi_message::header, taskStruct::id, kmalloc(), memcpy(), MESSAGE_LENGTH, mpi_findMbox(), mpiSpinLock, mpi_mbox::msg, mpi_mbox::msgLast, mpi_message::next, mpi_message::pid, spinLock(), spinUnlock(), and x1.

Referenced by sysMpiPostMessage().

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int mpi_spam | ( | uInt32 | type,
|  | void * | data |
| ) |  |  |

Definition at line 108 of file system.c.

References mpi_message::data, mpi_message::header, kmalloc(), mboxList, memcpy(), MESSAGE_LENGTH, mpiSpinLock, mpi_mbox::msg, mpi_mbox::msgLast, mpi_message::next, mpi_mbox::next, spinLock(), and spinUnlock().

Referenced by sysMpiSpam().

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## Variable Documentation

mpi_mbox_t* mboxList = 0x0`[static]`

Definition at line 35 of file system.c.

Referenced by mpi_createMbox(), mpi_destroyMbox(), mpi_findMbox(), and mpi_spam().

spinLock_t mpiSpinLock = SPIN_LOCK_INITIALIZER`[static]`

Definition at line 36 of file system.c.

Referenced by mpi_createMbox(), mpi_destroyMbox(), mpi_fetchMessage(), mpi_postMessage(), and mpi_spam().