PTHREAD_GETNAME_NP(3)

NAME
pthread_getname_np, pthread_setname_np - get and set descriptive name of a thread

LIBRARY
libpthread

SYNOPSIS
#include <pthread.h>
int
pthread_getname_np(pthread_t thread, char *name, size_t len);
int
pthread_setname_np(pthread_t thread, const char *name, void *arg);

DESCRIPTION
The pthread_getname_np() function obtains the descriptive name of a thread. It takes the following arguments:

thread
    The thread whose descriptive name will be obtained.

name
    The buffer to be filled with the descriptive name of the thread.

len The size of the buffer name in bytes.

The pthread_setname_np() function sets the descriptive name of a thread. It takes the following arguments:

thread
    The thread whose descriptive name will be set.

name
    The printf(3) format string to be used to construct the descriptive name of the thread. The resulted descriptive name should be shorter than PTHREAD_MAX_NAMELEN_NP.

arg The printf(3) argument used with name.

RETURN VALUES
Both functions return 0 on success. Otherwise, an error number is returned to indicate the error.

COMPATIBILITY
Both functions are non-standard extensions.

ERRORS
Both functions may fail if:

[EINVAL]
    Invalid parameter.

[ESRCH]
    Non-existent thread.

The pthread_setname_np() function may also fail if:

[ENOMEM]
    There was insufficient memory for the operation.

SEE ALSO
pthread_attr_get_np(3), pthread_attr_getname_np(3)