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#define _GNU_SOURCE
#include <errno.h> /* errno */
#include <fcntl.h> /* O_CLOEXEC, O_RDONLY */
#include <pthread.h> /* pthread_atfork */
#include <unistd.h> /* open, read */
#include "alias.h" /* weak_alias */
/**
* Underlying function for pthread_cleanup_push.
*/
void __pthread_register_cancel(void *buf)
{
}
/**
* Underlying function for pthread_cleanup_push.
*/
void __pthread_unregister_cancel(void *buf)
{
}
/**
* Register fork handlers.
*
* LSB 5.0: LSB-Core-generic/baselib---register-atfork.html
*/
int __register_atfork(void (*prepare)(void), void (*parent)(void),
void (*child)(void), void *__dso_handle)
{
return pthread_atfork(prepare, parent, child);
}
weak_alias(__register_atfork, register_atfork);
/**
* Get the name of a thread.
*/
int pthread_getname_np(pthread_t thread, char *name, size_t len)
{
int fd = open("/proc/thread-self/comm", O_RDONLY | O_CLOEXEC);
char dummy;
if (fd < 0)
return errno;
if (read(fd, name, len) < 0)
return errno;
/* If there's more to read, the buffer was too small. */
if (read(fd, &dummy, 1) > 0)
return ERANGE;
return 0;
}
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