diff options
Diffstat (limited to 'erts/emulator/beam/break.c')
| -rw-r--r-- | erts/emulator/beam/break.c | 18 |
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"; |