#define _LGPL_SOURCE
#include <assert.h>
#include <inttypes.h>
+#include <stdlib.h>
+#include <string.h>
#include <lttng/lttng-error.h>
#include <common/common.h>
+#include <common/compat/getenv.h>
#include "error.h"
#define ERROR_INDEX(code) (code - LTTNG_OK)
+/*
+ * lttng_opt_abort_on_error: unset: -1, disabled: 0, enabled: 1.
+ * Controlled by the LTTNG_ABORT_ON_ERROR environment variable.
+ */
+static int lttng_opt_abort_on_error = -1;
+
/* TLS variable that contains the time of one single log entry. */
DEFINE_URCU_TLS(struct log_time, error_log_time);
struct timespec tp;
time_t now;
- ret = clock_gettime(CLOCK_REALTIME, &tp);
+ ret = lttng_clock_gettime(CLOCK_REALTIME, &tp);
if (ret < 0) {
goto error;
}
[ ERROR_INDEX(LTTNG_ERR_PID_TRACKED) ] = "PID already tracked",
[ ERROR_INDEX(LTTNG_ERR_PID_NOT_TRACKED) ] = "PID not tracked",
[ ERROR_INDEX(LTTNG_ERR_INVALID_CHANNEL_DOMAIN) ] = "Invalid channel domain",
+ [ ERROR_INDEX(LTTNG_ERR_OVERFLOW) ] = "Overflow occurred",
+ [ ERROR_INDEX(LTTNG_ERR_SESSION_NOT_STARTED) ] = "Session not started",
+ [ ERROR_INDEX(LTTNG_ERR_LIVE_SESSION) ] = "Live sessions are not supported",
+ [ ERROR_INDEX(LTTNG_ERR_PER_PID_SESSION) ] = "Per-PID tracing sessions are not supported",
+ [ ERROR_INDEX(LTTNG_ERR_KERN_CONTEXT_UNAVAILABLE) ] = "Context unavailable on this kernel",
+ [ ERROR_INDEX(LTTNG_ERR_REGEN_STATEDUMP_FAIL) ] = "Failed to regenerate the state dump",
+ [ ERROR_INDEX(LTTNG_ERR_REGEN_STATEDUMP_NOMEM) ] = "Failed to regenerate the state dump, not enough memory",
+ [ ERROR_INDEX(LTTNG_ERR_NOT_SNAPSHOT_SESSION) ] = "Snapshot command can't be applied to a non-snapshot session",
/* Last element */
[ ERROR_INDEX(LTTNG_ERR_NR) ] = "Unknown error code"
return error_string_array[ERROR_INDEX(code)];
}
+
+LTTNG_HIDDEN
+void lttng_abort_on_error(void)
+{
+ if (lttng_opt_abort_on_error < 0) {
+ /* Use lttng_secure_getenv() to query its state. */
+ const char *value;
+
+ value = lttng_secure_getenv("LTTNG_ABORT_ON_ERROR");
+ if (value && !strcmp(value, "1")) {
+ lttng_opt_abort_on_error = 1;
+ } else {
+ lttng_opt_abort_on_error = 0;
+ }
+ }
+ if (lttng_opt_abort_on_error > 0) {
+ abort();
+ }
+}