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uti: Make tracee pthread-detached

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Change-Id: I672ee18739b956980901b63e55ee3ebc192b4e56
This commit is contained in:
Masamichi Takagi
2018-08-31 21:44:28 +09:00
parent 4438f994dc
commit d24b7585b7
1 changed files with 8 additions and 2 deletions
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10
executer/user/mcexec.c
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@@ -1032,7 +1032,7 @@ struct thread_data_s {
int terminate; int terminate;
int remote_tid; int remote_tid;
int remote_cpu; int remote_cpu;
int joined; int joined, detached;
pthread_mutex_t *lock; pthread_mutex_t *lock;
pthread_barrier_t *init_ready; pthread_barrier_t *init_ready;
} *thread_data; } *thread_data;
@@ -1878,7 +1878,7 @@ join_all_threads()
do { do {
live_thread = 0; live_thread = 0;
for (tp = thread_data; tp; tp = tp->next) { for (tp = thread_data; tp; tp = tp->next) {
if (tp->joined) if (tp->joined || tp->detached)
continue; continue;
live_thread = 1; live_thread = 1;
pthread_join(tp->thread_id, NULL); pthread_join(tp->thread_id, NULL);
@@ -3245,6 +3245,12 @@ util_thread(struct thread_data_s *my_thread, unsigned long uctx_pa, int remote_t
ioctl(fd, MCEXEC_UP_UTI_ATTR, &desc); ioctl(fd, MCEXEC_UP_UTI_ATTR, &desc);
} }
/* Synchronize detached state with the McKernel counterpart */
if ((rc = pthread_detach(my_thread->thread_id)) != 0) {
fprintf(stderr, "%s: pthread_detach returned %d\n", __FUNCTION__, rc);
}
my_thread->detached = 1; /* Skip join in join_all_threads() */
if ((rc = switch_ctx(fd, MCEXEC_UP_UTIL_THREAD2, param, lctx, rctx)) if ((rc = switch_ctx(fd, MCEXEC_UP_UTIL_THREAD2, param, lctx, rctx))
< 0) { < 0) {
fprintf(stderr, "util_thread2: %d\n", rc); fprintf(stderr, "util_thread2: %d\n", rc);