utls.h File Reference

Userspace TLS (UTLS) control. More...

#include <muteki/threading.h>

Go to the source code of this file.

Data Structures
struct	osdep_utls_stats_s
	Statistics of TLS allocation. More...

Typedefs
typedef struct osdep_utls_stats_s	osdep_utls_stats_t
	Statistics of TLS allocation.

Functions
void	osdep_utls_cinit (void)
	Manually initialize UTLS container.
void	osdep_utls_cfini (void)
	Manually destroy the UTLS container.
void *	osdep_utls_peek (const thread_t *thr)
	Get the TLS space by thread descriptor pointer.
void	osdep_utls_get_stats (osdep_utls_stats_t *stats)
	Get statistics of TLS allocation.

Detailed Description

Userspace TLS (UTLS) control.

A hash-table-backed TLS storage emulator local to the current module. Include this header to control the lifecycle of UTLS.

Function Documentation

osdep_utls_cfini()

void osdep_utls_cfini ( void  )

extern

Manually destroy the UTLS container.

Call this from the destructor code on module unload when not stay resident.

Parameters

None.

Returns

None.

osdep_utls_cinit()

void osdep_utls_cinit ( void  )

extern

Manually initialize UTLS container.

This is normally not needed as the __aeabi_read_tp() implementation will automatically call this on first use of any TLS space.

Parameters

None.

Returns

None.

osdep_utls_get_stats()

void osdep_utls_get_stats ( osdep_utls_stats_t *  stats )

extern

Get statistics of TLS allocation.

Parameters

stats

The output stats buffer.

Returns

None.

osdep_utls_peek()

void * osdep_utls_peek ( const thread_t *  thr )

extern

Get the TLS space by thread descriptor pointer.

Note

This does not allocate extra space when thr does not already have TLS allocated for it.

Parameters

thr	Thread pointer.

Returns

TLS space, or NULL if not yet allocated.