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Improve handling of pthread_mutex_lock error case

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We should really be reporting a useful error along with returning
a valid return code if pthread_mutex_lock() throws an error for
some reason.  Add that and back-patch to 9.0 as the prior patch.

Pointed out by Alvaro Herrera
This commit is contained in:
Stephen Frost 2013-08-01 15:42:07 -04:00
parent f31c149f13
commit 8359ed806f
1 changed files with 13 additions and 1 deletions
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14
src/interfaces/libpq/fe-secure.c
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@ -261,7 +261,11 @@ pqsecure_open_client(PGconn *conn)
#ifdef ENABLE_THREAD_SAFETY
if (pthread_mutex_lock(&ssl_config_mutex))
return -1;
{
printfPQExpBuffer(&conn->errorMessage,
libpq_gettext("unable to acquire mutex\n"));
return PGRES_POLLING_FAILED;
}
#endif
/* Create a connection-specific SSL object */
if (!(conn->ssl = SSL_new(SSL_context)) ||
@ -1112,7 +1116,11 @@ initialize_SSL(PGconn *conn)
*/
#ifdef ENABLE_THREAD_SAFETY
if (pthread_mutex_lock(&ssl_config_mutex))
{
printfPQExpBuffer(&conn->errorMessage,
libpq_gettext("unable to acquire mutex\n"));
return -1;
}
#endif
if (SSL_CTX_use_certificate_chain_file(SSL_context, fnbuf) != 1)
{
@ -1326,7 +1334,11 @@ initialize_SSL(PGconn *conn)
#ifdef ENABLE_THREAD_SAFETY
if (pthread_mutex_lock(&ssl_config_mutex))
{
printfPQExpBuffer(&conn->errorMessage,
libpq_gettext("unable to acquire mutex\n"));
return -1;
}
#endif
if (SSL_CTX_load_verify_locations(SSL_context, fnbuf, NULL) != 1)
{