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PTHREAD_MUTEXATTR_GETKIND_NP (3) | C library functions | Unix Manual Pages | :man

NAME

pthread_mutexattr_getkind_np, pthread_mutexattr_setkind_np - mutex attribute operations (legacy)

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also

LIBRARY


.Lb libc_r
.Lb libpthread
.Lb libthr

SYNOPSIS


.In pthread_np.h int pthread_mutexattr_getkind_np "pthread_mutexattr_t attr" int pthread_mutexattr_setkind_np "pthread_mutexattr_t *attr" "int kind"

DESCRIPTION


.Bf -symbolic These functions are deprecated and non-portable implementation of the mutex type manipulation.
.Ef

It is recommended to use the pthread_mutexattr_gettype(3) and pthread_mutexattr_settype(3) functions instead.

RETURN VALUES

The pthread_mutexattr_getkind_np function returns a positive value representing the "kind" of the mutex attribute attr if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error.


.Rv -std pthread_mutexattr_setkind_np

ERRORS

The pthread_mutexattr_getkind_np and pthread_mutexattr_setkind_np functions will fail if:
[EINVAL]
The value specified by attr is invalid.

SEE ALSO

pthread_mutexattr_gettype(3), pthread_mutexattr_settype(3), pthread_mutex_destroy(3), pthread_mutex_init(3)


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