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MXS-1360 Make it possible to specify thread stack size

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It is now possible to specify the thread stack size to be used,
when a new thread is created. This will subsequently be used
for allowing the stack size to be specified for worker threads.
This commit is contained in:
Johan Wikman
2017-08-14 14:17:17 +03:00
parent bdb0f7d8d7
commit e9b2a560b8
13 changed files with 87 additions and 54 deletions
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78
server/core/thread.cc
View File

@ -10,58 +10,58 @@
* of this software will be governed by version 2 or later of the General
* Public License.
*/
#include <maxscale/thread.h>
#include <maxscale/log_manager.h>
/**
* @file thread.c - Implementation of thread related operations
*
* @verbatim
* Revision History
*
* Date Who Description
* 25/06/13 Mark Riddoch Initial implementation
*
* @endverbatim
*/
/**
* Start a polling thread
*
* @param thd Pointer to the THREAD object
* @param entry The entry point to call
* @param arg The argument to pass the thread entry point
* @return The thread handle or NULL if an error occurred
*/
THREAD *thread_start(THREAD *thd, void (*entry)(void *), void *arg)
THREAD *thread_start(THREAD *thd, void (*entry)(void *), void *arg, size_t stack_size)
{
if (pthread_create(thd, NULL, (void *(*)(void *))entry, arg) != 0)
THREAD* rv = NULL;
pthread_attr_t attr;
int error = pthread_attr_init(&attr);
if (error == 0)
{
return NULL;
if (stack_size != 0)
{
error = pthread_attr_setstacksize(&attr, stack_size);
}
if (error == 0)
{
error = pthread_create(thd, &attr, (void *(*)(void *))entry, arg);
if (error == 0)
{
rv = thd;
}
else
{
MXS_ERROR("Could not start thread: %s", mxs_strerror(error));
}
}
else
{
MXS_ERROR("Could not set thread stack size to %lu: %s", stack_size, mxs_strerror(error));
}
}
return thd;
else
{
MXS_ERROR("Could not initialize thread attributes: %s", mxs_strerror(error));
}
return rv;
}
/**
* Wait for a running threads to complete.
*
* @param thd The thread handle
*/
void
thread_wait(THREAD thd)
void thread_wait(THREAD thd)
{
void *rval;
pthread_join((pthread_t)thd, &rval);
}
/**
* Put the thread to sleep for a number of milliseconds
*
* @param ms Number of milliseconds to sleep
*/
void
thread_millisleep(int ms)
void thread_millisleep(int ms)
{
struct timespec req;
req.tv_sec = ms / 1000;