diff options
Diffstat (limited to 'src/interfaces/libpq/legacy-pqsignal.c')
| -rw-r--r-- | src/interfaces/libpq/legacy-pqsignal.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/interfaces/libpq/legacy-pqsignal.c b/src/interfaces/libpq/legacy-pqsignal.c index db470df9ea6..2bed2120d76 100644 --- a/src/interfaces/libpq/legacy-pqsignal.c +++ b/src/interfaces/libpq/legacy-pqsignal.c @@ -28,10 +28,16 @@ * with the semantics it had in 9.2; in particular, this has different * behavior for SIGALRM than the version in src/port/pqsignal.c. * - * libpq itself uses this only for SIGPIPE (and even then, only in - * non-ENABLE_THREAD_SAFETY builds), so the incompatibility isn't - * troublesome for internal references. + * libpq itself does not use this, nor does anything else in our code. + * + * src/include/port.h will #define pqsignal as pqsignal_fe, + * but here we want to export just plain "pqsignal". We can't rely on + * port.h's extern declaration either. (The point of that #define + * is to ensure that no in-tree code accidentally calls this version.) */ +#undef pqsignal +extern pqsigfunc pqsignal(int signo, pqsigfunc func); + pqsigfunc pqsignal(int signo, pqsigfunc func) { |