X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Ffd-tracker%2Futils.c;h=cd4418ed28895ae9438eb73f29c5598ebdd67da9;hp=ac4e882c7d3b3e818edb8e216ed8130d3456a07b;hb=c3e9c4c6febdea6b999db5ddc150782f3da5f78a;hpb=184597e3d22331d64e93acab4691670534f218cb

diff --git a/src/common/fd-tracker/utils.c b/src/common/fd-tracker/utils.c
index ac4e882c7..cd4418ed2 100644
--- a/src/common/fd-tracker/utils.c
+++ b/src/common/fd-tracker/utils.c
@@ -16,9 +16,64 @@
  */
 
 #include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include <common/fd-tracker/utils.h>
+#include <common/utils.h>
+
+static
+int open_pipe_cloexec(void *data, int *fds)
+{
+	int ret;
+
+	ret = utils_create_pipe_cloexec(fds);
+	if (ret < 0) {
+		goto end;
+	}
+end:
+	return ret;
+}
+
+static
+int close_pipe(void *data, int *pipe)
+{
+	utils_close_pipe(pipe);
+	pipe[0] = pipe[1] = -1;
+	return 0;
+}
 
 int fd_tracker_util_close_fd(void *unused, int *fd)
 {
 	return close(*fd);
 }
+
+int fd_tracker_util_pipe_open_cloexec(struct fd_tracker *tracker,
+		const char *name, int *pipe)
+{
+	int ret;
+	const char *name_prefix;
+	char *names[2];
+
+	name_prefix = name ? name : "Unknown pipe";
+	ret = asprintf(&names[0], "%s (read end)", name_prefix);
+	if (ret < 0) {
+		goto end;
+	}
+	ret = asprintf(&names[1], "%s (write end)", name_prefix);
+	if (ret < 0) {
+		goto end;
+	}
+
+        ret = fd_tracker_open_unsuspendable_fd(tracker, pipe,
+			(const char **) names, 2, open_pipe_cloexec, NULL);
+	free(names[0]);
+	free(names[1]);
+end:
+	return ret;
+}
+
+int fd_tracker_util_pipe_close(struct fd_tracker *tracker, int *pipe)
+{
+        return fd_tracker_close_unsuspendable_fd(tracker,
+			pipe, 2, close_pipe, NULL);
+}