git.m6w6.name Git - awesomized/libmemcached/blob - test/setup.cpp

   1 #include "mem_config.h"
   2 #include "test/lib/env.hpp"
   3 #include <cstdlib>
   4 #include <cstdio>
   5 #include <cstring>
   6 #include <csignal>
   7 #include <iostream>
   8 #include <string>
   9
  10 static void sigchld(int, siginfo_t *si, void *) {
  11   switch (si->si_code) {
  12   case CLD_EXITED:
  13     // expected
  14     break;
  15   case CLD_KILLED:
  16     if (si->si_status == SIGKILL) {
  17       // expected
  18       break;
  19     }
  20     [[fallthrough]];
  21   case CLD_DUMPED:
  22     std::cerr << "Server{pid="
  23               << std::to_string(si->si_pid)
  24               << "} died: "
  25               << strsignal(si->si_status)
  26               << std::endl;
  27     break;
  28   }
  29 }
  30
  31 static inline void setup_signals() {
  32   struct sigaction sa;
  33
  34   memset(&sa, 0, sizeof(sa));
  35   sa.sa_flags = SA_NOCLDSTOP | SA_RESTART | SA_SIGINFO | SA_NODEFER;
  36
  37   sa.sa_sigaction = sigchld;
  38   if (0 > sigaction(SIGCHLD, &sa, nullptr)) {
  39     perror("sigaction(CHLD)");
  40   }
  41 }
  42
  43 #if HAVE_ASAN
  44 // this has to be a macro for putenv() to work
  45 # define ASAN_OPTIONS \
  46     "check_initialization_order=1," \
  47     "replace_str=1," \
  48     "replace_intrin=1," \
  49     "detect_stack_use_after_return=1," \
  50     "alloc_dealloc_mismatch=1," \
  51     "new_delete_type_mismatch=1," \
  52     "detect_odr_violation=2," \
  53     "halt_on_error=0," \
  54     "verify_asan_link_order=1," \
  55     "abort_on_error=0," \
  56     ""
  57 static inline void setup_asan(char **argv) {
  58   const auto set = getenv("ASAN_OPTIONS");
  59
  60   if (!set || !*set) {
  61     SET_ENV_EX(asan, "ASAN_OPTIONS", ASAN_OPTIONS, 0);
  62     execvp(argv[0], argv);
  63     perror("exec()");
  64   }
  65 }
  66 #else
  67 # define setup_asan(a) (void) a
  68 #endif
  69
  70 #if LIBMEMCACHED_WITH_SASL_SUPPORT
  71 static inline void setup_sasl() {
  72   SET_ENV_EX(sasl_pwdb, "MEMCACHED_SASL_PWDB", LIBMEMCACHED_WITH_SASL_PWDB, 0);
  73   SET_ENV_EX(sasl_conf, "SASL_CONF_PATH", LIBMEMCACHED_WITH_SASL_CONF, 0);
  74 }
  75 #else
  76 # define setup_sasl()
  77 #endif
  78
  79 int setup(int &, char ***argv) {
  80   setup_signals();
  81   setup_asan(*argv);
  82   setup_sasl();
  83
  84   return 0;
  85 }