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Fix for OpenSSL: Since OpenSSL doesn't use setsockopt/MSG_NOSIGNAL we

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need to install a sigpipe handler (in case the application didn't
install one already)
This commit is contained in:
Georg Richter
2016-05-25 17:10:22 +02:00
parent e62a4eac0b
commit b54783f7e1
1 changed files with 18 additions and 0 deletions
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18
libmariadb/mariadb_lib.c
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@@ -3472,6 +3472,13 @@ BOOL CALLBACK win_init_once(
}
#endif
#if defined(SIGPIPE) && !defined(_WIN32) && defined(WITH_OPENSSL)
static void ma_sigpipe_handler()
{
return;
}
#endif
int STDCALL mysql_server_init(int argc __attribute__((unused)),
char **argv __attribute__((unused)),
char **groups __attribute__((unused)))
@@ -3482,6 +3489,17 @@ int STDCALL mysql_server_init(int argc __attribute__((unused)),
return ret? 0: 1;
#else
static pthread_once_t init_once = PTHREAD_ONCE_INIT;
#if defined(SIGPIPE) && defined(WITH_OPENSSL)
struct sigaction old_handler, new_handler={NULL};
if (!sigaction (SIGPIPE, NULL, &old_handler) &&
!old_handler.sa_handler)
{
new_handler.sa_handler= ma_sigpipe_handler;
new_handler.sa_flags= 0;
if (!sigemptyset(&new_handler.sa_mask))
sigaction(SIGPIPE, &new_handler, NULL);
}
#endif
return pthread_once(&init_once, mysql_once_init);
#endif
}