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-rw-r--r--erts/emulator/beam/break.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c
index 63136d86c9..c1e9fe536d 100644
--- a/erts/emulator/beam/break.c
+++ b/erts/emulator/beam/break.c
@@ -670,6 +670,7 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
char dumpnamebuf[MAXPATHLEN];
char* dumpname;
int secs;
+ int env_erl_crash_dump_seconds_set = 1;
if (ERTS_SOMEONE_IS_CRASH_DUMPING)
return;
@@ -694,6 +695,8 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
envsz = sizeof(env);
/* ERL_CRASH_DUMP_SECONDS not set
+ * if we have a heart port, break immediately
+ * otherwise dump crash indefinitely (until crash is complete)
* same as ERL_CRASH_DUMP_SECONDS = 0
* - do not write dump
* - do not set an alarm
@@ -715,8 +718,10 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
*/
if (erts_sys_getenv__("ERL_CRASH_DUMP_SECONDS", env, &envsz) != 0) {
- return; /* break immediately */
+ env_erl_crash_dump_seconds_set = 0;
+ secs = -1;
} else {
+ env_erl_crash_dump_seconds_set = 1;
secs = atoi(env);
}
@@ -724,7 +729,16 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
return;
}
- erts_sys_prepare_crash_dump(secs);
+ /* erts_sys_prepare_crash_dump returns 1 if heart port is found, otherwise 0
+ * If we don't find heart (0) and we don't have ERL_CRASH_DUMP_SECONDS set
+ * we should continue writing a dump
+ *
+ * beware: secs -1 means no alarm
+ */
+
+ if (erts_sys_prepare_crash_dump(secs) && !env_erl_crash_dump_seconds_set ) {
+ return;
+ }
if (erts_sys_getenv__("ERL_CRASH_DUMP",&dumpnamebuf[0],&dumpnamebufsize) != 0)
dumpname = "erl_crash.dump";