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Diffstat (limited to 'erts/emulator/beam/break.c')
-rw-r--r--erts/emulator/beam/break.c90
1 files changed, 71 insertions, 19 deletions
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c
index 0a51e00016..9aa1e5f30d 100644
--- a/erts/emulator/beam/break.c
+++ b/erts/emulator/beam/break.c
@@ -61,16 +61,19 @@ extern char* erts_system_version[];
static void
port_info(int to, void *to_arg)
{
- int i;
- for (i = 0; i < erts_max_ports; i++)
- print_port_info(to, to_arg, i);
+ int i, max = erts_ptab_max(&erts_port);
+ for (i = 0; i < max; i++) {
+ Port *p = erts_pix2port(i);
+ if (p)
+ print_port_info(p, to, to_arg);
+ }
}
void
process_info(int to, void *to_arg)
{
- int i;
- for (i = 0; i < erts_max_processes; i++) {
+ int i, max = erts_ptab_max(&erts_proc);
+ for (i = 0; i < max; i++) {
Process *p = erts_pix2proc(i);
if (p && p->i != ENULL) {
if (!ERTS_PROC_IS_EXITING(p))
@@ -84,12 +87,12 @@ process_info(int to, void *to_arg)
static void
process_killer(void)
{
- int i, j;
+ int i, j, max = erts_ptab_max(&erts_proc);
Process* rp;
erts_printf("\n\nProcess Information\n\n");
erts_printf("--------------------------------------------------\n");
- for (i = erts_max_processes-1; i >= 0; i--) {
+ for (i = max-1; i >= 0; i--) {
rp = erts_pix2proc(i);
if (rp && rp->i != ENULL) {
int br;
@@ -196,7 +199,7 @@ print_process_info(int to, void *to_arg, Process *p)
erts_aint32_t state;
/* display the PID */
- erts_print(to, to_arg, "=proc:%T\n", p->id);
+ erts_print(to, to_arg, "=proc:%T\n", p->common.id);
/* Display the state */
erts_print(to, to_arg, "State: ");
@@ -226,8 +229,8 @@ print_process_info(int to, void *to_arg, Process *p)
* If the process is registered as a global process, display the
* registered name
*/
- if (p->reg != NULL)
- erts_print(to, to_arg, "Name: %T\n", p->reg->name);
+ if (p->common.u.alive.reg)
+ erts_print(to, to_arg, "Name: %T\n", p->common.u.alive.reg->name);
/*
* Display the initial function name
@@ -301,11 +304,11 @@ print_process_info(int to, void *to_arg, Process *p)
}
/* display the links only if there are any*/
- if (p->nlinks != NULL || p->monitors != NULL) {
+ if (ERTS_P_LINKS(p) || ERTS_P_MONITORS(p)) {
PrintMonitorContext context = {1,to};
erts_print(to, to_arg,"Link list: [");
- erts_doforall_links(p->nlinks, &doit_print_link, &context);
- erts_doforall_monitors(p->monitors, &doit_print_monitor, &context);
+ erts_doforall_links(ERTS_P_LINKS(p), &doit_print_link, &context);
+ erts_doforall_monitors(ERTS_P_MONITORS(p), &doit_print_monitor, &context);
erts_print(to, to_arg,"]\n");
}
@@ -625,9 +628,9 @@ bin_check(void)
{
Process *rp;
struct erl_off_heap_header* hdr;
- int i, printed = 0;
+ int i, printed = 0, max = erts_ptab_max(&erts_proc);
- for (i=0; i < erts_max_processes; i++) {
+ for (i=0; i < max; i++) {
rp = erts_pix2proc(i);
if (!rp)
continue;
@@ -635,7 +638,7 @@ bin_check(void)
if (hdr->thing_word == HEADER_PROC_BIN) {
ProcBin *bp = (ProcBin*) hdr;
if (!printed) {
- erts_printf("Process %T holding binary data \n", rp->id);
+ erts_printf("Process %T holding binary data \n", rp->common.id);
printed = 1;
}
erts_printf("%p orig_size: %bpd, norefs = %bpd\n",
@@ -663,10 +666,14 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
ErtsThrPrgrData tpd_buf; /* in case we aren't a managed thread... */
#endif
int fd;
+ size_t envsz;
time_t now;
+ char env[21]; /* enough to hold any 64-bit integer */
size_t dumpnamebufsize = MAXPATHLEN;
char dumpnamebuf[MAXPATHLEN];
char* dumpname;
+ int secs;
+ int env_erl_crash_dump_seconds_set = 1;
if (ERTS_SOMEONE_IS_CRASH_DUMPING)
return;
@@ -689,9 +696,54 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
erts_writing_erl_crash_dump = 1;
#endif
- erts_sys_prepare_crash_dump();
+ 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
+ * - break immediately
+ *
+ * ERL_CRASH_DUMP_SECONDS = 0
+ * - do not write dump
+ * - do not set an alarm
+ * - break immediately
+ *
+ * ERL_CRASH_DUMP_SECONDS < 0
+ * - do not set alarm
+ * - write dump until done
+ *
+ * ERL_CRASH_DUMP_SECONDS = S (and S positive)
+ * - Don't dump file forever
+ * - set alarm (set in sys)
+ * - write dump until alarm or file is written completely
+ */
+
+ if (erts_sys_getenv__("ERL_CRASH_DUMP_SECONDS", env, &envsz) != 0) {
+ env_erl_crash_dump_seconds_set = 0;
+ secs = -1;
+ } else {
+ env_erl_crash_dump_seconds_set = 1;
+ secs = atoi(env);
+ }
+
+ if (secs == 0) {
+ return;
+ }
+
+ /* 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)
+ if (erts_sys_getenv__("ERL_CRASH_DUMP",&dumpnamebuf[0],&dumpnamebufsize) != 0)
dumpname = "erl_crash.dump";
else
dumpname = &dumpnamebuf[0];
@@ -717,7 +769,7 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
erts_print_nif_taints(fd, NULL);
erts_fdprintf(fd, "Atoms: %d\n", atom_table_size());
info(fd, NULL); /* General system info */
- if (erts_proc.tab)
+ if (erts_ptab_initialized(&erts_proc))
process_info(fd, NULL); /* Info about each process and port */
db_info(fd, NULL, 0);
erts_print_bif_timer_info(fd, NULL);