media/webrtc/signaling/src/common/time_profiling/timecard.h

Thu, 15 Jan 2015 15:59:08 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 15:59:08 +0100
branch
TOR_BUG_9701
changeset 10
ac0c01689b40
permissions
-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #ifndef timecard_h__
michael@0 8 #define timecard_h__
michael@0 9
michael@0 10 #include <stdlib.h>
michael@0 11 #include "prtime.h"
michael@0 12
michael@0 13 #ifdef __cplusplus
michael@0 14 extern "C" {
michael@0 15 #endif
michael@0 16
michael@0 17 #define STAMP_TIMECARD(card,event) \
michael@0 18 do { \
michael@0 19 if (card) { \
michael@0 20 stamp_timecard((card), (event), __FILE__, __LINE__, __FUNCTION__); \
michael@0 21 } \
michael@0 22 } while (0)
michael@0 23
michael@0 24 #define TIMECARD_INITIAL_TABLE_SIZE 16
michael@0 25
michael@0 26 /*
michael@0 27 * The "const char *" members of this structure point to static strings.
michael@0 28 * We do not own them, and should not attempt to deallocate them.
michael@0 29 */
michael@0 30
michael@0 31 typedef struct {
michael@0 32 PRTime timestamp;
michael@0 33 const char *event;
michael@0 34 const char *file;
michael@0 35 unsigned int line;
michael@0 36 const char *function;
michael@0 37 } TimecardEntry;
michael@0 38
michael@0 39 typedef struct Timecard {
michael@0 40 size_t curr_entry;
michael@0 41 size_t entries_allocated;
michael@0 42 TimecardEntry *entries;
michael@0 43 PRTime start_time;
michael@0 44 } Timecard;
michael@0 45
michael@0 46 /**
michael@0 47 * Creates a new Timecard structure for tracking events.
michael@0 48 */
michael@0 49 Timecard *
michael@0 50 create_timecard();
michael@0 51
michael@0 52 /**
michael@0 53 * Frees the memory associated with a timecard. After returning, the
michael@0 54 * timecard pointed to by tc is no longer valid.
michael@0 55 */
michael@0 56 void
michael@0 57 destroy_timecard(Timecard *tc);
michael@0 58
michael@0 59 /**
michael@0 60 * Records a new event in the indicated timecard. This should not be
michael@0 61 * called directly; code should instead use the STAMP_TIMECARD macro,
michael@0 62 * above.
michael@0 63 */
michael@0 64 void
michael@0 65 stamp_timecard(Timecard *tc,
michael@0 66 const char *event,
michael@0 67 const char *file,
michael@0 68 unsigned int line,
michael@0 69 const char *function);
michael@0 70
michael@0 71 /**
michael@0 72 * Formats and outputs the contents of a timecard onto stdout.
michael@0 73 */
michael@0 74 void
michael@0 75 print_timecard(Timecard *tc);
michael@0 76
michael@0 77 #ifdef __cplusplus
michael@0 78 }
michael@0 79 #endif
michael@0 80
michael@0 81 #endif

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