diff options
-rw-r--r-- | src/sig-monitor.c | 33 | ||||
-rw-r--r-- | test/monitoring/monitor-base.css | 1 | ||||
-rw-r--r-- | test/monitoring/monitor.js | 1 |
3 files changed, 27 insertions, 8 deletions
diff --git a/src/sig-monitor.c b/src/sig-monitor.c index fbc5b1fb..a92fc814 100644 --- a/src/sig-monitor.c +++ b/src/sig-monitor.c @@ -18,6 +18,7 @@ #define _GNU_SOURCE #include <stdlib.h> +#include <stdio.h> #include <signal.h> #include <string.h> #include <setjmp.h> @@ -41,19 +42,35 @@ static _Thread_local timer_t thread_timerid; /* * Dumps the current stack */ -static void dumpstack(int crop) +static void dumpstack(int crop, int signum) { - int idx, count; - void *addresses[1000]; + int idx, count, rc; + void *addresses[100]; char **locations; + char buffer[8000]; + size_t pos, length; count = backtrace(addresses, sizeof addresses / sizeof *addresses); - locations = backtrace_symbols(addresses, count); + if (count <= crop) + crop = 0; + count -= crop; + locations = backtrace_symbols(&addresses[crop], count); if (locations == NULL) ERROR("can't get the backtrace (returned %d addresses)", count); else { - for (idx = crop; idx < count; idx++) - ERROR("[BACKTRACE %d/%d] %s", idx - crop + 1, count - crop, locations[idx]); + length = sizeof buffer - 1; + pos = 0; + idx = 0; + while (pos < length && idx < count) { + rc = snprintf(&buffer[pos], length - pos, " [%d/%d] %s\n", idx + 1, count, locations[idx]); + pos += rc >= 0 ? rc : 0; + idx++; + } + buffer[length] = 0; + if (signum) + ERROR("BACKTRACE due to signal %s/%d:\n%s", strsignal(signum), signum, buffer); + else + ERROR("BACKTRACE:\n%s", buffer); free(locations); } } @@ -131,7 +148,7 @@ static void on_signal_terminate (int signum) { ERROR("Terminating signal %d received: %s", signum, strsignal(signum)); if (signum == SIGABRT) - dumpstack(3); + dumpstack(3, signum); exit(1); } @@ -144,7 +161,7 @@ static void on_signal_error(int signum) if (error_handler == NULL && signum == SIG_FOR_TIMER) return; - dumpstack(3); + dumpstack(3, signum); // unlock signal to allow a new signal to come if (error_handler != NULL) { diff --git a/test/monitoring/monitor-base.css b/test/monitoring/monitor-base.css index 63838bcc..2efeaf7f 100644 --- a/test/monitoring/monitor-base.css +++ b/test/monitoring/monitor-base.css @@ -168,6 +168,7 @@ body.on #params, body.on #connect, body.off #disconnect { display: none; } .traceevent .content { clear: both; + overflow-x: auto; } .traceevent, .x-button { diff --git a/test/monitoring/monitor.js b/test/monitoring/monitor.js index 22d71824..6ca75cc6 100644 --- a/test/monitoring/monitor.js +++ b/test/monitoring/monitor.js @@ -499,6 +499,7 @@ function obj2html(json) { cls = 'key'; } else { cls = 'string'; + match = match.replace(/\\n/g, "\\n<br>"); } } else if (/true|false/.test(match)) { cls = 'boolean'; |