/**
* Sets the name of a thread.
*
* @returns iprt status code.
* @param Thread Thread handle of the thread to query the name of.
* @param pszName The thread name.
*/
RTDECL(int) RTThreadSetName(RTTHREAD Thread, const char *pszName)
{
/*
* Validate input.
*/
PRTTHREADINT pThread;
size_t cchName = strlen(pszName);
if (cchName >= RTTHREAD_NAME_LEN)
{
AssertMsgFailed(("pszName=%s is too long, max is %d\n", pszName, RTTHREAD_NAME_LEN - 1));
return VERR_INVALID_PARAMETER;
}
pThread = rtThreadGet(Thread);
if (!pThread)
return VERR_INVALID_HANDLE;
/*
* Update the name.
*/
pThread->szName[cchName] = '\0'; /* paranoia */
memcpy(pThread->szName, pszName, cchName);
rtThreadRelease(pThread);
return VINF_SUCCESS;
}
RTDECL(RTTHREADNATIVESTATE) RTThreadGetNativeState(RTTHREAD hThread)
{
RTTHREADNATIVESTATE enmRet = RTTHREADNATIVESTATE_INVALID;
PRTTHREADINT pThread = rtThreadGet(hThread);
if (pThread)
{
enmRet = RTTHREADNATIVESTATE_UNKNOWN;
char szName[512];
RTStrPrintf(szName, sizeof(szName), "/proc/self/task/%u/stat", pThread->tid);
int fd = open(szName, O_RDONLY, 0);
if (fd >= 0)
{
ssize_t cch = read(fd, szName, sizeof(szName) - 1);
close(fd);
if (cch > 0)
{
szName[cch] = '\0';
/* skip the pid, the (comm name) and stop at the status char. */
const char *psz = szName;
while ( *psz
&& ( *psz != ')'
|| !RT_C_IS_SPACE(psz[1])
|| !RT_C_IS_ALPHA(psz[2])
|| !RT_C_IS_SPACE(psz[3])
)
)
psz++;
if (*psz == ')')
{
switch (psz[2])
{
case 'R': /* running */
enmRet = RTTHREADNATIVESTATE_RUNNING;
break;
case 'S': /* sleeping */
case 'D': /* disk sleeping */
enmRet = RTTHREADNATIVESTATE_BLOCKED;
break;
case 'T': /* stopped or tracking stop */
enmRet = RTTHREADNATIVESTATE_SUSPENDED;
break;
case 'Z': /* zombie */
case 'X': /* dead */
enmRet = RTTHREADNATIVESTATE_TERMINATED;
break;
default:
AssertMsgFailed(("state=%c\n", psz[2]));
enmRet = RTTHREADNATIVESTATE_UNKNOWN;
break;
}
}
else
AssertMsgFailed(("stat='%s'\n", szName));
}
}
rtThreadRelease(pThread);
}
return enmRet;
}
