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ust-consumerd: fix exit race crashes
[ust.git]
/
libustconsumer
/
libustconsumer.c
diff --git
a/libustconsumer/libustconsumer.c
b/libustconsumer/libustconsumer.c
index c5acffa030296eda5b775fed81e13ec8b7134b7d..abf21d801ca1473fd8b1b3c1453636361fc0199a 100644
(file)
--- a/
libustconsumer/libustconsumer.c
+++ b/
libustconsumer/libustconsumer.c
@@
-477,6
+477,8
@@
int consumer_loop(struct ustconsumer_instance *instance, struct buffer_info *buf
DBG("App died while being traced");
finish_consuming_dead_subbuffer(instance->callbacks, buf);
break;
DBG("App died while being traced");
finish_consuming_dead_subbuffer(instance->callbacks, buf);
break;
+ } else if (read_result == -1 && errno == EINTR) {
+ continue;
}
if(instance->callbacks->on_read_subbuffer)
}
if(instance->callbacks->on_read_subbuffer)
@@
-783,8
+785,11
@@
int ustconsumer_stop_instance(struct ustconsumer_instance *instance, int send_ms
struct sockaddr_un addr;
struct sockaddr_un addr;
+socket_again:
result = fd = socket(PF_UNIX, SOCK_STREAM, 0);
if(result == -1) {
result = fd = socket(PF_UNIX, SOCK_STREAM, 0);
if(result == -1) {
+ if (errno == EINTR)
+ goto socket_again;
PERROR("socket");
return 1;
}
PERROR("socket");
return 1;
}
@@
-794,13
+799,21
@@
int ustconsumer_stop_instance(struct ustconsumer_instance *instance, int send_ms
strncpy(addr.sun_path, instance->sock_path, UNIX_PATH_MAX);
addr.sun_path[UNIX_PATH_MAX-1] = '\0';
strncpy(addr.sun_path, instance->sock_path, UNIX_PATH_MAX);
addr.sun_path[UNIX_PATH_MAX-1] = '\0';
+connect_again:
result = connect(fd, (struct sockaddr *)&addr, sizeof(addr));
if(result == -1) {
result = connect(fd, (struct sockaddr *)&addr, sizeof(addr));
if(result == -1) {
+ if (errno == EINTR)
+ goto connect_again;
PERROR("connect");
}
PERROR("connect");
}
- while(bytes != sizeof(msg))
- bytes += send(fd, msg, sizeof(msg), 0);
+ while(bytes != sizeof(msg)) {
+ int inc = send(fd, msg, sizeof(msg), 0);
+ if (inc < 0 && errno != EINTR)
+ break;
+ else
+ bytes += inc;
+ }
close(fd);
close(fd);
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