OpenMPI
0.1.1
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Manages file handles. More...
#include "OTF_inttypes.h"
Go to the source code of this file.
Typedefs | |
typedef struct struct_OTF_File | OTF_File |
typedef struct struct_OTF_FileManager | OTF_FileManager |
file manager object | |
Functions | |
OTF_FileManager * | OTF_FileManager_open (uint32_t number) |
Generates a new file manager with a maximum number of files that are allowed to be open simultaneously. More... | |
void | OTF_FileManager_close (OTF_FileManager *m) |
Closes the file manager. | |
uint32_t | OTF_FileManager_getCount (OTF_FileManager *m) |
Returns the number of files currently open. More... | |
uint32_t | OTF_FileManager_getNumber (OTF_FileManager *m) |
Returns the numbner of files allowed to be open simultaneously. More... | |
uint32_t | OTF_FileManager_setNumber (OTF_FileManager *m, uint32_t number) |
Sets the number of files allowed to be open simultaneously. More... | |
int | OTF_FileManager_guaranteeFile (OTF_FileManager *m) |
Ensure there is a free file handle available after this call. More... | |
int | OTF_FileManager_registerFile (OTF_FileManager *m, OTF_File *file) |
Registers the 'file' as open. More... | |
int | OTF_FileManager_touchFile (OTF_FileManager *m, OTF_File *file) |
Marks currently opened 'file' as used which is important for the scheduling strategy, i.e. More... | |
int | OTF_FileManager_suspendFile (OTF_FileManager *m, OTF_File *file) |
Suspend an open file explicitly. More... | |
Manages file handles.
i.e. Opens, closes and suspends files, if there are not enough filehandles available.
uint32_t OTF_FileManager_getCount | ( | OTF_FileManager * | m | ) |
Returns the number of files currently open.
References struct_OTF_FileManager::count.
uint32_t OTF_FileManager_getNumber | ( | OTF_FileManager * | m | ) |
Returns the numbner of files allowed to be open simultaneously.
References struct_OTF_FileManager::number.
int OTF_FileManager_guaranteeFile | ( | OTF_FileManager * | m | ) |
Ensure there is a free file handle available after this call.
return 1 on success, 0 otherwise (which is not supposed to happen)
Ensure there is a free file handle available after this call.
return 1 on success, 0 otherwise (which is not supposed to happen)
References struct_OTF_FileManager::count, struct_OTF_FileManager::list, struct_OTF_FileManager::number, and OTF_FileManager_suspendFile().
Referenced by OTF_File_revive().
int OTF_FileManager_registerFile | ( | OTF_FileManager * | m, |
OTF_File * | file | ||
) |
Registers the 'file' as open.
Return 1 on success, 0 otherwise.
Registers the 'file' as open.
return 1 on success, 0 otherwise.
References struct_OTF_FileManager::count, struct_OTF_FileManager::list, struct_OTF_FileManager::number, and OTF_File_status().
Referenced by OTF_File_revive().
uint32_t OTF_FileManager_setNumber | ( | OTF_FileManager * | m, |
uint32_t | number | ||
) |
Sets the number of files allowed to be open simultaneously.
References struct_OTF_FileManager::number.
Referenced by OTF_FileManager_open().
int OTF_FileManager_suspendFile | ( | OTF_FileManager * | m, |
OTF_File * | file | ||
) |
Suspend an open file explicitly.
this may be called externaly or internally. Return 1 on success, 0 otherwise.
Suspend an open file explicitly.
this may be called externaly or internally. return 1 on success, 0 otherwise.
References struct_OTF_FileManager::count, struct_OTF_FileManager::list, OTF_File_status(), and OTF_File_suspend().
Referenced by OTF_File_close(), and OTF_FileManager_guaranteeFile().
int OTF_FileManager_touchFile | ( | OTF_FileManager * | m, |
OTF_File * | file | ||
) |
Marks currently opened 'file' as used which is important for the scheduling strategy, i.e.
the internal decision which file to suspend next. return 1 on success or 0 for an suspended file.
Marks currently opened 'file' as used which is important for the scheduling strategy, i.e.
the internal decision which file to suspend next. return 1 on success or 0 for an suspended file.
References struct_OTF_FileManager::list, and OTF_File_status().
Referenced by OTF_File_revive().