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Use PostmasterRandom(), not random(), for DSM control segment ID.

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Otherwise, every startup gets the same "random" value, which is
definitely not what was intended.
This commit is contained in:
Robert Haas
2016-09-20 12:24:44 -04:00
parent 419113dfdc
commit 470d886c32
3 changed files with 4 additions and 3 deletions
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3
src/backend/postmaster/postmaster.c
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@@ -403,7 +403,6 @@ static void processCancelRequest(Port *port, void *pkt);
static int initMasks(fd_set *rmask);
static void report_fork_failure_to_client(Port *port, int errnum);
static CAC_state canAcceptConnections(void);
static long PostmasterRandom(void);
static void RandomSalt(char *salt, int len);
static void signal_child(pid_t pid, int signal);
static bool SignalSomeChildren(int signal, int targets);
@@ -5101,7 +5100,7 @@ RandomSalt(char *salt, int len)
/*
* PostmasterRandom
*/
static long
long
PostmasterRandom(void)
{
/*