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Allow libpq to do thread-safe SIGPIPE handling. This allows it to

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ignore SIGPIPE from send() in libpq, but terminate on any other SIGPIPE,
unless the user installs their own signal handler.

This is a minor fix because the only time you get SIGPIPE from libpq's
send() is when the backend dies.
This commit is contained in:
Bruce Momjian
2004-01-09 02:02:43 +00:00
parent acc57543de
commit 0150dbdce5
9 changed files with 167 additions and 12 deletions
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10
src/interfaces/libpq/libpq-fe.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-fe.h,v 1.101 2003/11/29 22:41:28 pgsql Exp $
* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-fe.h,v 1.102 2004/01/09 02:02:43 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -450,6 +450,14 @@ extern int PQmblen(const unsigned char *s, int encoding);
/* Get encoding id from environment variable PGCLIENTENCODING */
extern int PQenv2encoding(void);
/* === in fe-secure.c === */
/*
* Indicates whether the libpq thread is in send().
* Used to ignore SIGPIPE if thread is in send().
*/
pqbool PQinSend(void);
#ifdef __cplusplus
}
#endif