git.m6w6.name Git - awesomized/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
  36   memset(&sa, 0, sizeof(sa));
  37   sa.sa_flags = SA_NOCLDSTOP | SA_RESTART | SA_SIGINFO | SA_NODEFER;
  38
  39   sa.sa_sigaction = sigchld;
  40   if (0 > sigaction(SIGCHLD, &sa, nullptr)) {
  41     perror("sigaction(CHLD)");
  42   }
  43 }
  44
  45 #if HAVE_ASAN
  46 // this has to be a macro for putenv() to work
  47 # define ASAN_OPTIONS \
  48     "check_initialization_order=1," \
  49     "replace_str=1," \
  50     "replace_intrin=1," \
  51     "detect_stack_use_after_return=1," \
  52     "alloc_dealloc_mismatch=1," \
  53     "new_delete_type_mismatch=1," \
  54     "detect_odr_violation=2," \
  55     "halt_on_error=0," \
  56     "verify_asan_link_order=1," \
  57     "abort_on_error=0," \
  58     ""
  59 static inline void setup_asan(char **argv) {
  60   const auto set = getenv("ASAN_OPTIONS");
  61
  62   if (!set || !*set) {
  63     SET_ENV_EX(asan, "ASAN_OPTIONS", ASAN_OPTIONS, 0);
  64     execvp(argv[0], argv);
  65     perror("exec()");
  66   }
  67 }
  68 #else
  69 # define setup_asan(a) (void) a
  70 #endif
  71
  72 #if LIBMEMCACHED_WITH_SASL_SUPPORT
  73 static inline void setup_sasl() {
  74   SET_ENV_EX(sasl_pwdb, "MEMCACHED_SASL_PWDB", LIBMEMCACHED_WITH_SASL_PWDB, 0);
  75   SET_ENV_EX(sasl_conf, "SASL_CONF_PATH", LIBMEMCACHED_WITH_SASL_CONF, 0);
  76 }
  77 #else
  78 # define setup_sasl()
  79 #endif
  80
  81 int setup(int &, char ***argv) {
  82   random_setup();
  83
  84   setup_signals();
  85   setup_asan(*argv);
  86   setup_sasl();
  87
  88   return 0;
  89 }