Fix compiler warning in WaitForBackgroundWorkerStartup().

Per complaint from Andrew Gierth.

diff --git a/src/backend/postmaster/bgworker.c b/src/backend/postmaster/bgworker.c
index 25e61568bd4eeacc73ab46a5f01009bc8a7d9923..0e7a4a53a143cb04f276092a9840479301457c04 100644 (file)
--- a/src/backend/postmaster/bgworker.c
+++ b/src/backend/postmaster/bgworker.c
@@ -863,7 +863,6 @@ BgwHandleStatus
 WaitForBackgroundWorkerStartup(BackgroundWorkerHandle *handle, pid_t *pidp)
 {
    BgwHandleStatus status;
-   pid_t   pid;
    int     rc;
    bool    save_set_latch_on_sigusr1;
 
@@ -874,9 +873,13 @@ WaitForBackgroundWorkerStartup(BackgroundWorkerHandle *handle, pid_t *pidp)
    {
        for (;;)
        {
+           pid_t   pid;
+
            CHECK_FOR_INTERRUPTS();
 
            status = GetBackgroundWorkerPid(handle, &pid);
+           if (status == BGWH_STARTED)
+               *pidp = pid;
            if (status != BGWH_NOT_YET_STARTED)
                break;
 
@@ -900,6 +903,5 @@ WaitForBackgroundWorkerStartup(BackgroundWorkerHandle *handle, pid_t *pidp)
    PG_END_TRY();
 
    set_latch_on_sigusr1 = save_set_latch_on_sigusr1;
-   *pidp = pid;
    return status;
 }