X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=lttng-abi.c;h=d4c5ea0fc8938d1d31b6639357546b24a5d19ffa;hb=f127e61ee231d002fb9a7803643a157e06f6d2e2;hp=beaad907d072ca5db410d8fc2a23e1feb0d17a25;hpb=07dfc1d0e4b093ad02682499a702dc11e54e8302;p=lttng-modules.git

diff --git a/lttng-abi.c b/lttng-abi.c
index beaad907..d4c5ea0f 100644
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -144,6 +144,51 @@ fd_error:
 	return ret;
 }
 
+#ifndef CONFIG_HAVE_SYSCALL_TRACEPOINTS
+static inline
+int lttng_abi_syscall_list(void)
+{
+	return -ENOSYS;
+}
+#else
+static
+int lttng_abi_syscall_list(void)
+{
+	struct file *syscall_list_file;
+	int file_fd, ret;
+
+	file_fd = lttng_get_unused_fd();
+	if (file_fd < 0) {
+		ret = file_fd;
+		goto fd_error;
+	}
+
+	syscall_list_file = anon_inode_getfile("[lttng_syscall_list]",
+					  &lttng_syscall_list_fops,
+					  NULL, O_RDWR);
+	if (IS_ERR(syscall_list_file)) {
+		ret = PTR_ERR(syscall_list_file);
+		goto file_error;
+	}
+	ret = lttng_syscall_list_fops.open(NULL, syscall_list_file);
+	if (ret < 0)
+		goto open_error;
+	fd_install(file_fd, syscall_list_file);
+	if (file_fd < 0) {
+		ret = file_fd;
+		goto fd_error;
+	}
+	return file_fd;
+
+open_error:
+	fput(syscall_list_file);
+file_error:
+	put_unused_fd(file_fd);
+fd_error:
+	return ret;
+}
+#endif
+
 static
 void lttng_abi_tracer_version(struct lttng_kernel_tracer_version *v)
 {