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-rw-r--r--src/backend/storage/ipc/pmsignal.c3
-rw-r--r--src/include/pg_config.h.in3
-rw-r--r--src/include/storage/pmsignal.h7
3 files changed, 12 insertions, 1 deletions
diff --git a/src/backend/storage/ipc/pmsignal.c b/src/backend/storage/ipc/pmsignal.c
index ebf027306f7..f658588c272 100644
--- a/src/backend/storage/ipc/pmsignal.c
+++ b/src/backend/storage/ipc/pmsignal.c
@@ -379,6 +379,9 @@ PostmasterDeathSignalInit(void)
#if defined(PR_SET_PDEATHSIG)
if (prctl(PR_SET_PDEATHSIG, signum) < 0)
elog(ERROR, "could not request parent death signal: %m");
+#elif defined(PROC_PDEATHSIG_CTL)
+ if (procctl(P_PID, 0, PROC_PDEATHSIG_CTL, &signum) < 0)
+ elog(ERROR, "could not request parent death signal: %m");
#else
#error "USE_POSTMASTER_DEATH_SIGNAL set, but there is no mechanism to request the signal"
#endif
diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in
index 4ef53416785..f9fb92f31c1 100644
--- a/src/include/pg_config.h.in
+++ b/src/include/pg_config.h.in
@@ -603,6 +603,9 @@
/* Define to 1 if you have the <sys/prctl.h> header file. */
#undef HAVE_SYS_PRCTL_H
+/* Define to 1 if you have the <sys/procctl.h> header file. */
+#undef HAVE_SYS_PROCCTL_H
+
/* Define to 1 if you have the <sys/pstat.h> header file. */
#undef HAVE_SYS_PSTAT_H
diff --git a/src/include/storage/pmsignal.h b/src/include/storage/pmsignal.h
index 54e7108ac0b..5ecc1b757c8 100644
--- a/src/include/storage/pmsignal.h
+++ b/src/include/storage/pmsignal.h
@@ -18,6 +18,10 @@
#include "sys/prctl.h"
#endif
+#ifdef HAVE_SYS_PROCCTL_H
+#include "sys/procctl.h"
+#endif
+
/*
* Reasons for signaling the postmaster. We can cope with simultaneous
* signals for different reasons. If the same reason is signaled multiple
@@ -66,7 +70,8 @@ extern void PostmasterDeathSignalInit(void);
* the parent dies. Checking the flag first makes PostmasterIsAlive() a lot
* cheaper in usual case that the postmaster is alive.
*/
-#if defined(HAVE_SYS_PRCTL_H) && defined(PR_SET_PDEATHSIG)
+#if (defined(HAVE_SYS_PRCTL_H) && defined(PR_SET_PDEATHSIG)) || \
+ (defined(HAVE_SYS_PROCCTL_H) && defined(PROC_PDEATHSIG_CTL))
#define USE_POSTMASTER_DEATH_SIGNAL
#endif