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71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
#if !defined(TOKU_OS_INTERFACE_H)
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#define TOKU_OS_INTERFACE_H
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#if defined __cplusplus
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extern "C" {
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#endif
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#include "toku_os_types.h"
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// Returns: the current process id
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int toku_os_getpid(void) __attribute__((__visibility__("default")));
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// Returns: the current thread id
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int toku_os_gettid(void) __attribute__((__visibility__("default")));
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// Returns: the number of processors in the system
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int toku_os_get_number_processors(void);
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// Returns: the number of active processors in the system
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int toku_os_get_number_active_processors(void);
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// Returns: the system page size (in bytes)
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int toku_os_get_pagesize(void);
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// Returns: the size of physical memory (in bytes)
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uint64_t toku_os_get_phys_memory_size(void);
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// Returns: 0 on success
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// sets fsize to the number of bytes in a file
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int toku_os_get_file_size(int fildes, int64_t *fsize) __attribute__((__visibility__("default")));
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// Returns: 0 on success
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// Initializes id as a unique fileid for fildes on success.
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int toku_os_get_unique_file_id(int fildes, struct fileid *id);
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//Locks a file (should not be open to begin with).
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//Returns: file descriptor (or -1 on error)
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int toku_os_lock_file(char *name);
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//Unlocks and closes a file locked by toku_os_lock_on_file
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int toku_os_unlock_file(int fildes);
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int toku_os_mkdir(const char *pathname, mode_t mode) __attribute__((__visibility__("default")));
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// Get the current process user and kernel use times
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int toku_os_get_process_times(struct timeval *usertime, struct timeval *kerneltime);
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// Get the current in memory size (in bytes) of the current process
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int toku_os_get_rss(int64_t *rss);
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// Get the maximum in memory size (in bytes) of the current process
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int toku_os_get_max_rss(int64_t *maxrss);
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// Get the maximum size of the process data size (in bytes)
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// Success: returns 0 and sets *maxdata to the data size
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// Fail: returns an error number
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int toku_os_get_max_process_data_size(uint64_t *maxdata);
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int toku_os_initialize_settings(int verbosity) __attribute__((__visibility__("default")));
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//
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// this int acts like a bool, returns 0 for false, 1 for true
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//
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int toku_os_is_absolute_name(const char* path) __attribute__((__visibility__("default")));
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#if defined __cplusplus
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};
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#endif
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#endif
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