LCOV - code coverage report
Current view: top level - src/util - threadnames.cpp (source / functions) Hit Total Coverage
Test: coverage.lcov Lines: 12 12 100.0 %
Date: 2022-04-21 14:51:19 Functions: 5 5 100.0 %
Legend: Modified by patch:
Lines: hit not hit | Branches: + taken - not taken # not executed

Not modified by patch:
Lines: hit not hit | Branches: + taken - not taken # not executed
Branches: 0 0 -

           Branch data     Line data    Source code
#       1                 :            : // Copyright (c) 2018-2019 The Bitcoin Core developers
#       2                 :            : // Distributed under the MIT software license, see the accompanying
#       3                 :            : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
#       4                 :            : 
#       5                 :            : #if defined(HAVE_CONFIG_H)
#       6                 :            : #include <config/bitcoin-config.h>
#       7                 :            : #endif
#       8                 :            : 
#       9                 :            : #include <string>
#      10                 :            : #include <thread>
#      11                 :            : #include <utility>
#      12                 :            : 
#      13                 :            : #if (defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__))
#      14                 :            : #include <pthread.h>
#      15                 :            : #include <pthread_np.h>
#      16                 :            : #endif
#      17                 :            : 
#      18                 :            : #include <util/threadnames.h>
#      19                 :            : 
#      20                 :            : #ifdef HAVE_SYS_PRCTL_H
#      21                 :            : #include <sys/prctl.h>
#      22                 :            : #endif
#      23                 :            : 
#      24                 :            : //! Set the thread's name at the process level. Does not affect the
#      25                 :            : //! internal name.
#      26                 :            : static void SetThreadName(const char* name)
#      27                 :      15527 : {
#      28                 :            : #if defined(PR_SET_NAME)
#      29                 :            :     // Only the first 15 characters are used (16 - NUL terminator)
#      30                 :            :     ::prctl(PR_SET_NAME, name, 0, 0, 0);
#      31                 :            : #elif (defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__))
#      32                 :      15527 :     pthread_set_name_np(pthread_self(), name);
#      33                 :            : #elif defined(MAC_OSX)
#      34                 :            :     pthread_setname_np(name);
#      35                 :            : #else
#      36                 :            :     // Prevent warnings for unused parameters...
#      37                 :            :     (void)name;
#      38                 :            : #endif
#      39                 :      15527 : }
#      40                 :            : 
#      41                 :            : // If we have thread_local, just keep thread ID and name in a thread_local
#      42                 :            : // global.
#      43                 :            : #if defined(HAVE_THREAD_LOCAL)
#      44                 :            : 
#      45                 :            : static thread_local std::string g_thread_name;
#      46                 :            : const std::string& util::ThreadGetInternalName() { return g_thread_name; }
#      47                 :            : //! Set the in-memory internal name for this thread. Does not affect the process
#      48                 :            : //! name.
#      49                 :            : static void SetInternalName(std::string name) { g_thread_name = std::move(name); }
#      50                 :            : 
#      51                 :            : // Without thread_local available, don't handle internal name at all.
#      52                 :            : #else
#      53                 :            : 
#      54                 :            : static const std::string empty_string;
#      55                 :  675112904 : const std::string& util::ThreadGetInternalName() { return empty_string; }
#      56                 :      16348 : static void SetInternalName(std::string name) { }
#      57                 :            : #endif
#      58                 :            : 
#      59                 :            : void util::ThreadRename(std::string&& name)
#      60                 :      15526 : {
#      61                 :      15526 :     SetThreadName(("b-" + name).c_str());
#      62                 :      15526 :     SetInternalName(std::move(name));
#      63                 :      15526 : }
#      64                 :            : 
#      65                 :            : void util::ThreadSetInternalName(std::string&& name)
#      66                 :        825 : {
#      67                 :        825 :     SetInternalName(std::move(name));
#      68                 :        825 : }

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