#include <common/error.h>
#include "utils.h"
+#include "lttng-sessiond.h"
+
+int ht_cleanup_pipe[2] = { -1, -1 };
/*
* Write to writable pipe used to notify a thread.
*/
int notify_thread_pipe(int wpipe)
{
- int ret;
+ ssize_t ret;
/* Ignore if the pipe is invalid. */
if (wpipe < 0) {
return 0;
}
- do {
- ret = write(wpipe, "!", 1);
- } while (ret < 0 && errno == EINTR);
- if (ret < 0) {
+ ret = lttng_write(wpipe, "!", 1);
+ if (ret < 1) {
PERROR("write poll pipe");
}
- return ret;
+ return (int) ret;
}
-/*
- * Return pointer to home directory path using the env variable HOME.
- *
- * No home, NULL is returned.
- */
-const char *get_home_dir(void)
+void ht_cleanup_push(struct lttng_ht *ht)
{
- return ((const char *) getenv("HOME"));
+ ssize_t ret;
+ int fd = ht_cleanup_pipe[1];
+
+ if (!ht) {
+ return;
+ }
+ if (fd < 0)
+ return;
+ ret = lttng_write(fd, &ht, sizeof(ht));
+ if (ret < sizeof(ht)) {
+ PERROR("write ht cleanup pipe %d", fd);
+ if (ret < 0) {
+ ret = -errno;
+ }
+ goto error;
+ }
+
+ /* All good. Don't send back the write positive ret value. */
+ ret = 0;
+error:
+ assert(!ret);
}