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Remove --disable-thread-safety and related code.

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All supported computers have either POSIX or Windows threads, and we no
longer have any automated testing of --disable-thread-safety.  We define
a vestigial ENABLE_THREAD_SAFETY macro to 1 in ecpg_config.h in case it
is useful, but we no longer test it anywhere in PostgreSQL code, and
associated dead code paths are removed.

The Meson and perl-based Windows build scripts never had an equivalent
build option.

Reviewed-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Discussion: https://postgr.es/m/CA%2BhUKGLtmexrpMtxBRLCVePqV_dtWG-ZsEbyPrYc%2BNBB2TkNsw%40mail.gmail.com
This commit is contained in:
Thomas Munro
2023-07-12 06:20:37 +12:00
parent 11f3669409
commit 68a4b58eca
38 changed files with 137 additions and 509 deletions
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26
src/interfaces/libpq/fe-secure.c
View File

@@ -35,13 +35,11 @@
#include <sys/stat.h>
#ifdef ENABLE_THREAD_SAFETY
#ifdef WIN32
#include "pthread-win32.h"
#else
#include <pthread.h>
#endif
#endif
#include "fe-auth.h"
#include "libpq-fe.h"
@@ -56,8 +54,6 @@
#define SIGPIPE_MASKED(conn) ((conn)->sigpipe_so || (conn)->sigpipe_flag)
#ifdef ENABLE_THREAD_SAFETY
struct sigpipe_info
{
sigset_t oldsigmask;
@@ -90,24 +86,6 @@ struct sigpipe_info
pq_reset_sigpipe(&(spinfo).oldsigmask, (spinfo).sigpipe_pending, \
(spinfo).got_epipe); \
} while (0)
#else /* !ENABLE_THREAD_SAFETY */
#define DECLARE_SIGPIPE_INFO(spinfo) pqsigfunc spinfo = NULL
#define DISABLE_SIGPIPE(conn, spinfo, failaction) \
do { \
if (!SIGPIPE_MASKED(conn)) \
spinfo = pqsignal(SIGPIPE, SIG_IGN); \
} while (0)
#define REMEMBER_EPIPE(spinfo, cond)
#define RESTORE_SIGPIPE(conn, spinfo) \
do { \
if (!SIGPIPE_MASKED(conn)) \
pqsignal(SIGPIPE, spinfo); \
} while (0)
#endif /* ENABLE_THREAD_SAFETY */
#else /* WIN32 */
#define DECLARE_SIGPIPE_INFO(spinfo)
@@ -524,7 +502,7 @@ PQgssEncInUse(PGconn *conn)
#endif /* ENABLE_GSS */
#if defined(ENABLE_THREAD_SAFETY) && !defined(WIN32)
#if !defined(WIN32)
/*
* Block SIGPIPE for this thread. This prevents send()/write() from exiting
@@ -608,4 +586,4 @@ pq_reset_sigpipe(sigset_t *osigset, bool sigpipe_pending, bool got_epipe)
SOCK_ERRNO_SET(save_errno);
}
#endif /* ENABLE_THREAD_SAFETY && !WIN32 */
#endif /* !WIN32 */