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LibPthread: Fix incompatible pthread_setname_np(), pthread_getname_np()

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Other implementations of pthread_setname_np() do not take the name
length as an argument.

For pthread_getname_np(), other implementations take the buffer size
as a size_t.

This patch brings us in line with other implementations.
This commit is contained in:
Andreas Kling 2020-01-11 12:54:30 +01:00
parent 24c736b0e7
commit eede6cfd06
3 changed files with 8 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

16
Libraries/LibPthread/pthread.cpp
View file

@ -537,21 +537,15 @@ int pthread_setspecific(pthread_key_t key, const void* value)
t_specifics.values[key] = const_cast<void*>(value);
return 0;
}
int pthread_setname_np(pthread_t thread, const char* buffer, int buffer_size)
int pthread_setname_np(pthread_t thread, const char* name)
{
if (buffer_size < 0) {
errno = EINVAL;
return -1;
}
return syscall(SC_set_thread_name, thread, buffer, buffer_size);
if (!name)
return EFAULT;
return syscall(SC_set_thread_name, thread, name, strlen(name));
}
int pthread_getname_np(pthread_t thread, char* buffer, int buffer_size)
int pthread_getname_np(pthread_t thread, char* buffer, size_t buffer_size)
{
if (buffer_size < 0) {
errno = EINVAL;
return -1;
}
return syscall(SC_get_thread_name, thread, buffer, buffer_size);
}

4
Libraries/LibPthread/pthread.h
View file

@ -82,7 +82,7 @@ int pthread_mutexattr_init(pthread_mutexattr_t*);
int pthread_mutexattr_settype(pthread_mutexattr_t*, int);
int pthread_mutexattr_destroy(pthread_mutexattr_t*);
int pthread_setname_np(pthread_t, const char*, int);
int pthread_getname_np(pthread_t, char*, int);
int pthread_setname_np(pthread_t, const char*);
int pthread_getname_np(pthread_t, char*, size_t);
__END_DECLS

2
Libraries/LibThread/Thread.cpp
View file

@ -33,7 +33,7 @@ void LibThread::Thread::start()
ASSERT(rc == 0);
if (!m_thread_name.is_empty()) {
rc = pthread_setname_np(m_tid, m_thread_name.characters(), m_thread_name.length());
rc = pthread_setname_np(m_tid, m_thread_name.characters());
ASSERT(rc == 0);
}
dbg() << "Started a thread, tid = " << m_tid;