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

   1 #include "mem_config.h"
   2 #include "test/lib/env.hpp"
   3 #include "test/lib/random.hpp"
   4 #include <cstdlib>
   5 #include <cstdio>
   6 #include <cstring>
   7 #include <csignal>
   8 #include <iostream>
   9 #include <string>
  10 #include <unistd.h>
  11
  12 static void sigchld(int, siginfo_t *si, void *) {
  13   switch (si->si_code) {
  14   case CLD_EXITED:
  15     // expected
  16     break;
  17   case CLD_KILLED:
  18     if (si->si_status == SIGKILL) {
  19       // expected
  20       break;
  21     }
  22     [[fallthrough]];
  23   case CLD_DUMPED:
  24     std::cerr << "Server{pid="
  25               << std::to_string(si->si_pid)
  26               << "} died: "
  27               << strsignal(si->si_status)
  28               << std::endl;
  29     break;
  30   }
  31 }
  32
  33 static inline void setup_signals() {
  34   struct sigaction sa;
  35   memset(&sa, 0, sizeof(sa));
  36   sa.sa_flags = SA_NOCLDSTOP | SA_RESTART | SA_SIGINFO | SA_NODEFER;
  37
  38   sa.sa_sigaction = sigchld;
  39   if (0 > sigaction(SIGCHLD, &sa, nullptr)) {
  40     perror("sigaction(CHLD)");
  41   }
  42 }
  43
  44 #if HAVE_ASAN
  45 // this has to be a macro for putenv() to work
  46 # define ASAN_OPTIONS \
  47     "check_initialization_order=1," \
  48     "replace_str=1," \
  49     "replace_intrin=1," \
  50     "detect_stack_use_after_return=1," \
  51     "alloc_dealloc_mismatch=1," \
  52     "new_delete_type_mismatch=1," \
  53     "detect_odr_violation=2," \
  54     "halt_on_error=0," \
  55     "verify_asan_link_order=1," \
  56     "abort_on_error=0," \
  57     ""
  58 static inline void setup_asan(char **argv) {
  59   const auto set = getenv("ASAN_OPTIONS");
  60
  61   if (!set || !*set) {
  62     SET_ENV_EX(asan, "ASAN_OPTIONS", ASAN_OPTIONS, 0);
  63     execvp(argv[0], argv);
  64     perror("exec()");
  65   }
  66 }
  67 #else
  68 # define setup_asan(a) (void) a
  69 #endif
  70
  71 #if LIBMEMCACHED_WITH_SASL_SUPPORT
  72 static inline void setup_sasl() {
  73   SET_ENV_EX(sasl_pwdb, "MEMCACHED_SASL_PWDB", LIBMEMCACHED_WITH_SASL_PWDB, 0);
  74   SET_ENV_EX(sasl_conf, "SASL_CONF_PATH", LIBMEMCACHED_WITH_SASL_CONF, 0);
  75 }
  76 #else
  77 # define setup_sasl()
  78 #endif
  79
  80 static inline void setup_random() {
  81   random_setup();
  82 }
  83
  84 int setup(int &, char ***argv) {
  85   setup_signals();
  86   setup_random();
  87   setup_asan(*argv);
  88   setup_sasl();
  89
  90   return 0;
  91 }