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pthreadpool: Allow multiple jobs to be received

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This can avoid syscalls when multiple jobs are finished simultaneously

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Volker Lendecke
2014-03-24 10:39:56 +00:00
committed by Jeremy Allison
parent 84aa2ddd86
commit c5d07df6ab
8 changed files with 49 additions and 37 deletions
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26
source3/lib/pthreadpool/pthreadpool_sync.c
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@ -133,27 +133,35 @@ int pthreadpool_add_job(struct pthreadpool *pool, int job_id,
}
int pthreadpool_finished_job(struct pthreadpool *pool, int *jobid)
int pthreadpool_finished_jobs(struct pthreadpool *pool, int *jobids,
unsigned num_jobids)
{
int ret_jobid;
ssize_t nread;
ssize_t to_read, nread;
int ret;
nread = -1;
errno = EINTR;
to_read = sizeof(int) * num_jobids;
while ((nread == -1) && (errno == EINTR)) {
nread = read(pool->sig_pipe[0], &ret_jobid, sizeof(int));
nread = read(pool->sig_pipe[0], jobids, to_read);
}
if (nread == -1) {
return errno;
return -errno;
}
if (nread != sizeof(int)) {
return EINVAL;
if ((nread % sizeof(int)) != 0) {
return -EINVAL;
}
*jobid = ret_jobid;
pool->pipe_busy = 0;
return pthreadpool_write_to_pipe(pool);
ret = pthreadpool_write_to_pipe(pool);
if (ret != 0) {
return -ret;
}
return nread / sizeof(int);
}
int pthreadpool_destroy(struct pthreadpool *pool)