Log Message:
-----------
Fix linking problem when enabling thread safety on Darwin: uninitialized
global variables are problematic on this platform. Simplest solution
seems to be to initialize pthread key variable to 0. Also, rename this
variable and check_sigpipe_handler to something involving "pq" to
avoid gratuitous pollution of application namespace.
Modified Files:
--------------
pgsql-server/src/interfaces/libpq:
fe-connect.c (r1.279 -> r1.280)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/libpq/fe-connect.c.diff?r1=1.279&r2=1.280)
fe-print.c (r1.51 -> r1.52)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/libpq/fe-print.c.diff?r1=1.51&r2=1.52)
fe-secure.c (r1.45 -> r1.46)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/libpq/fe-secure.c.diff?r1=1.45&r2=1.46)
libpq-int.h (r1.88 -> r1.89)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/libpq/libpq-int.h.diff?r1=1.88&r2=1.89)
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