X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Futils.c;h=1a0e47ec4ed97b1601cbc3498126a760b5e02895;hp=729aa76f9fd161ddeefbafc19db6374e3da14e54;hb=2ad3a9a03e56a52b68d9c2e6046e31da9bc6c4ef;hpb=c30ce0b3d524a2c15bc688356d50d38fa9b43f85

diff --git a/src/common/utils.c b/src/common/utils.c
index 729aa76f9..1a0e47ec4 100644
--- a/src/common/utils.c
+++ b/src/common/utils.c
@@ -32,6 +32,7 @@
  * /tmp/test1 does, the real path is returned. In normal time, realpath(3)
  * fails if the end point directory does not exist.
  */
+__attribute__((visibility("hidden")))
 char *utils_expand_path(const char *path)
 {
 	const char *end_path = path;
@@ -84,6 +85,7 @@ error:
 /*
  * Create a pipe in dst.
  */
+__attribute__((visibility("hidden")))
 int utils_create_pipe(int *dst)
 {
 	int ret;
@@ -106,6 +108,7 @@ int utils_create_pipe(int *dst)
  * Make sure the pipe opened by this function are closed at some point. Use
  * utils_close_pipe().
  */
+__attribute__((visibility("hidden")))
 int utils_create_pipe_cloexec(int *dst)
 {
 	int ret, i;
@@ -134,6 +137,7 @@ error:
 /*
  * Close both read and write side of the pipe.
  */
+__attribute__((visibility("hidden")))
 void utils_close_pipe(int *src)
 {
 	int i, ret;
@@ -158,6 +162,7 @@ void utils_close_pipe(int *src)
 /*
  * Create a new string using two strings range.
  */
+__attribute__((visibility("hidden")))
 char *utils_strdupdelim(const char *begin, const char *end)
 {
 	char *str;
@@ -174,3 +179,26 @@ char *utils_strdupdelim(const char *begin, const char *end)
 error:
 	return str;
 }
+
+/*
+ * Set CLOEXEC flag to the give file descriptor.
+ */
+__attribute__((visibility("hidden")))
+int utils_set_fd_cloexec(int fd)
+{
+	int ret;
+
+	if (fd < 0) {
+		ret = -EINVAL;
+		goto end;
+	}
+
+	ret = fcntl(fd, F_SETFD, FD_CLOEXEC);
+	if (ret < 0) {
+		PERROR("fcntl cloexec");
+		ret = -errno;
+	}
+
+end:
+	return ret;
+}