X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fthread-utils.c;fp=src%2Fbin%2Flttng-sessiond%2Fthread-utils.c;h=0000000000000000000000000000000000000000;hb=7966af5763c4aaca39df9bbfa9277ff15715c720;hp=1eb25eabe6e09cf753413ad17c9a79e1e2fa9d3b;hpb=3a5f70173aa04d11ccb22694d5d31a702cad33ab;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/thread-utils.c b/src/bin/lttng-sessiond/thread-utils.c
deleted file mode 100644
index 1eb25eabe..000000000
--- a/src/bin/lttng-sessiond/thread-utils.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
- * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- * Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * SPDX-License-Identifier: GPL-2.0-only
- *
- */
-
-#include "lttng-sessiond.h"
-#include "utils.h"
-#include <common/utils.h>
-#include <pthread.h>
-
-/*
- * Quit pipe for all threads. This permits a single cancellation point
- * for all threads when receiving an event on the pipe.
- */
-static int thread_quit_pipe[2] = { -1, -1 };
-
-/*
- * Init thread quit pipe.
- *
- * Return -1 on error or 0 if all pipes are created.
- */
-static int __init_thread_quit_pipe(int *a_pipe)
-{
-	int ret, i;
-
-	ret = pipe(a_pipe);
-	if (ret < 0) {
-		PERROR("thread quit pipe");
-		goto error;
-	}
-
-	for (i = 0; i < 2; i++) {
-		ret = fcntl(a_pipe[i], F_SETFD, FD_CLOEXEC);
-		if (ret < 0) {
-			PERROR("fcntl");
-			goto error;
-		}
-	}
-
-error:
-	return ret;
-}
-
-int sessiond_init_thread_quit_pipe(void)
-{
-	return __init_thread_quit_pipe(thread_quit_pipe);
-}
-
-int sessiond_check_thread_quit_pipe(int fd, uint32_t events)
-{
-	return (fd == thread_quit_pipe[0] && (events & LPOLLIN));
-}
-
-/*
- * Wait for a notification on the quit pipe (with a timeout).
- *
- * A timeout value of -1U means no timeout.
- *
- * Returns 1 if the caller should quit, 0 if the timeout was reached, and
- * -1 if an error was encountered.
- */
-int sessiond_wait_for_quit_pipe(int timeout_ms)
-{
-	int ret;
-	struct lttng_poll_event events;
-
-	ret = lttng_poll_create(&events, 1, LTTNG_CLOEXEC);
-	if (ret < 0) {
-		PERROR("Failed to initialize poll/epoll set");
-		ret = -1;
-		goto end;
-	}
-	ret = lttng_poll_add(&events, thread_quit_pipe[0], LPOLLIN | LPOLLERR);
-	if (ret < 0) {
-		PERROR("Failed to add file descriptor to poll/epoll set");
-		ret = -1;
-		goto end_clean_poll;
-	}
-	ret = lttng_poll_wait(&events, timeout_ms);
-	if (ret > 0) {
-		/* Should quit. */
-		ret = 1;
-	} else if (ret < 0 && errno != EINTR) {
-		/* Unknown error. */
-		PERROR("Failed to epoll()/poll() thread quit pipe");
-		ret = -1;
-	} else {
-		/* Timeout reached. */
-		ret = 0;
-	}
-end_clean_poll:
-	lttng_poll_clean(&events);
-end:
-	return ret;
-}
-
-int sessiond_notify_quit_pipe(void)
-{
-	return notify_thread_pipe(thread_quit_pipe[1]);
-}
-
-void sessiond_close_quit_pipe(void)
-{
-	utils_close_pipe(thread_quit_pipe);
-}
-
-static
-int __sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size,
-		int *a_pipe)
-{
-	int ret;
-
-	LTTNG_ASSERT(events);
-
-	ret = lttng_poll_create(events, size, LTTNG_CLOEXEC);
-	if (ret < 0) {
-		goto error;
-	}
-
-	/* Add quit pipe */
-	ret = lttng_poll_add(events, a_pipe[0], LPOLLIN | LPOLLERR);
-	if (ret < 0) {
-		goto error;
-	}
-
-	return 0;
-
-error:
-	return ret;
-}
-
-/*
- * Create a poll set with O_CLOEXEC and add the thread quit pipe to the set.
- */
-int sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size)
-{
-	return __sessiond_set_thread_pollset(events, size, thread_quit_pipe);
-}