lib: add bt_{graph,query_executor}_add_interrupter()

[babeltrace.git] / src / common / common.h

diff --git a/src/common/common.h b/src/common/common.h
index 0f2736f00642782a3588b7675b94e7c97e136342..8429145c5134c4ce5033a360934bda9ff654c220 100644 (file)
--- a/src/common/common.h
+++ b/src/common/common.h
@@ -32,16 +32,12 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <string.h>
 
-#include <babeltrace2/trace-ir/event-class-const.h>
-#include <babeltrace2/trace-ir/field-class-const.h>
-#include <babeltrace2/trace-ir/field-path-const.h>
-#include <babeltrace2/logging.h>
-#include <babeltrace2/value.h>
+#include <babeltrace2/babeltrace.h>
 
-#define __BT_FUNC_STATUS_ENABLE
+#define __BT_IN_BABELTRACE_H
 #include <babeltrace2/func-status.h>
-#undef __BT_FUNC_STATUS_ENABLE
 
 #include "common/assert.h"
 #include "common/macros.h"
@@ -348,6 +344,13 @@ BT_HIDDEN
 GString *bt_common_fold(const char *str, unsigned int total_length,
                unsigned int indent);
 
+/*
+ * Writes the terminal's width to `*width`, its height to `*height`,
+ * and returns 0 on success, or returns -1 on error.
+ */
+BT_HIDDEN
+int bt_common_get_term_size(unsigned int *width, unsigned int *height);
+
 /*
  * Wraps read() function to handle EINTR and partial reads.
  * On success, it returns `count` received as parameter. On error, it returns a
@@ -422,8 +425,12 @@ const char *bt_common_field_class_type_string(enum bt_field_class_type class_typ
                return "BT_FIELD_CLASS_TYPE_STATIC_ARRAY";
        case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
                return "BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY";
-       case BT_FIELD_CLASS_TYPE_VARIANT:
-               return "BT_FIELD_CLASS_TYPE_VARIANT";
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR:
+               return "BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR";
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR:
+               return "BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR";
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR:
+               return "BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR";
        default:
                return "(unknown)";
        }
@@ -577,8 +584,8 @@ const char *bt_common_logging_level_string(
                return "BT_LOGGING_LEVEL_DEBUG";
        case BT_LOGGING_LEVEL_INFO:
                return "BT_LOGGING_LEVEL_INFO";
-       case BT_LOGGING_LEVEL_WARN:
-               return "BT_LOGGING_LEVEL_WARN";
+       case BT_LOGGING_LEVEL_WARNING:
+               return "BT_LOGGING_LEVEL_WARNING";
        case BT_LOGGING_LEVEL_ERROR:
                return "BT_LOGGING_LEVEL_ERROR";
        case BT_LOGGING_LEVEL_FATAL:
@@ -602,8 +609,6 @@ const char *bt_common_func_status_string(int status)
                return "INVALID_OBJECT";
        case __BT_FUNC_STATUS_MEMORY_ERROR:
                return "MEMORY_ERROR";
-       case __BT_FUNC_STATUS_LOADING_ERROR:
-               return "LOADING_ERROR";
        case __BT_FUNC_STATUS_ERROR:
                return "ERROR";
        case __BT_FUNC_STATUS_OK:
@@ -614,10 +619,8 @@ const char *bt_common_func_status_string(int status)
                return "NOT_FOUND";
        case __BT_FUNC_STATUS_AGAIN:
                return "AGAIN";
-       case __BT_FUNC_STATUS_UNSUPPORTED:
-               return "UNSUPPORTED";
-       case __BT_FUNC_STATUS_CANCELED:
-               return "CANCELED";
+       case __BT_FUNC_STATUS_INTERRUPTED:
+               return "INTERRUPTED";
        default:
                return "(unknown)";
        }
@@ -714,6 +717,50 @@ end:
        return ret;
 }
 
-#include <babeltrace2/undef-func-status.h>
+/*
+ * bt_g_string_append_printf cannot be inlined because it expects a
+ * variadic argument list.
+ */
+BT_HIDDEN
+int bt_common_g_string_append_printf(GString *str, const char *fmt, ...);
+
+static inline
+void bt_common_g_string_append(GString *str, const char *s)
+{
+       gsize len, allocated_len, s_len;
+
+       /* str->len excludes \0. */
+       len = str->len;
+       /* Exclude \0. */
+       allocated_len = str->allocated_len - 1;
+       s_len = strlen(s);
+       if (G_UNLIKELY(allocated_len < len + s_len)) {
+               /* Resize. */
+               g_string_set_size(str, len + s_len);
+       } else {
+               str->len = len + s_len;
+       }
+       memcpy(str->str + len, s, s_len + 1);
+}
+
+static inline
+void bt_common_g_string_append_c(GString *str, char c)
+{
+       gsize len, allocated_len, s_len;
+
+       /* str->len excludes \0. */
+       len = str->len;
+       /* Exclude \0. */
+       allocated_len = str->allocated_len - 1;
+       s_len = 1;
+       if (G_UNLIKELY(allocated_len < len + s_len)) {
+               /* Resize. */
+               g_string_set_size(str, len + s_len);
+       } else {
+               str->len = len + s_len;
+       }
+       str->str[len] = c;
+       str->str[len + 1] = '\0';
+}
 
 #endif /* BABELTRACE_COMMON_INTERNAL_H */