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tis_setspecific(3)

NAME

tis_setspecific - Changes the value associated with the specified thread- specific data key

SYNOPSIS

#include <tis.h> int tis_setspecific( pthread_key_t key, const void *value );

LIBRARY

Standard C Library (libc.so, libc.a)

STANDARDS

None

PARAMETERS

key Thread-specific data key that identifies the data to receive value. Must be obtained from a call to tis_key_create(3). value New value to associate with the specified key. Once set, this value can be retrieved using the same key in a call to tis_getspecific(3).

DESCRIPTION

This routine sets the value associated with the specified thread-specific data key. If a value is defined for the key (that is, the current value is not NULL), the new value is substituted for it. The key is obtained by a previous call to tis_key_create(3). Do not call this routine from a data destructor function. Doing so could lead to a memory leak or an infinite loop.

RETURN VALUES

If an error condition occurs, this routine returns an integer value indicating the type of error. Possible return values are as follows: 0 Successful completion. [EINVAL] The value specified by key is not a valid key. [ENOMEM] Insufficient memory exists to associate the value with the key.

ERRORS

None

SEE ALSO

Functions: tis_getspecific(3), tis_key_create(3), tis_key_delete(3) Manuals: Guide to DECthreads and Programmer's Guide

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