X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Ferror.c;h=a8256ff101ba3ed9d8fc8be5d56651c02c484af2;hp=26dc0679833b694edd87af2dfefcdf4ae9a3b500;hb=504521ea8462dbd9c188a59c4d04a1f5a0c4c537;hpb=68808f4e0bbb3adccff72ff9dab6ec9f3a9e6866 diff --git a/src/common/error.c b/src/common/error.c index 26dc06798..a8256ff10 100644 --- a/src/common/error.c +++ b/src/common/error.c @@ -15,17 +15,26 @@ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#define _GNU_SOURCE +#define _LGPL_SOURCE #include #include +#include +#include #include #include +#include #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); @@ -37,7 +46,7 @@ const char *log_add_time(void) struct timespec tp; time_t now; - ret = clock_gettime(CLOCK_REALTIME, &tp); + ret = lttng_clock_gettime(CLOCK_REALTIME, &tp); if (ret < 0) { goto error; } @@ -49,8 +58,8 @@ const char *log_add_time(void) } /* Format time in the TLS variable. */ - ret = snprintf(URCU_TLS(error_log_time).str, sizeof(error_log_time.str), - "%02d:%02d:%02d.%06ld", + ret = snprintf(URCU_TLS(error_log_time).str, sizeof(URCU_TLS(error_log_time).str), + "%02d:%02d:%02d.%09ld", tm.tm_hour, tm.tm_min, tm.tm_sec, tp.tv_nsec); if (ret < 0) { goto error; @@ -122,8 +131,8 @@ static const char *error_string_array[] = { [ ERROR_INDEX(LTTNG_ERR_UST_CONTEXT_INVAL)] = "UST invalid context", [ ERROR_INDEX(LTTNG_ERR_NEED_ROOT_SESSIOND) ] = "Tracing the kernel requires a root lttng-sessiond daemon, as well as \"tracing\" group membership or root user ID for the lttng client.", [ ERROR_INDEX(LTTNG_ERR_NO_UST) ] = "LTTng-UST tracer is not supported. Please rebuild lttng-tools with lttng-ust support enabled.", - [ ERROR_INDEX(LTTNG_ERR_TRACE_ALREADY_STARTED) ] = "Tracing already started", - [ ERROR_INDEX(LTTNG_ERR_TRACE_ALREADY_STOPPED) ] = "Tracing already stopped", + [ ERROR_INDEX(LTTNG_ERR_TRACE_ALREADY_STARTED) ] = "Tracing has already been started once", + [ ERROR_INDEX(LTTNG_ERR_TRACE_ALREADY_STOPPED) ] = "Tracing has already been stopped", [ ERROR_INDEX(LTTNG_ERR_KERN_EVENT_ENOSYS) ] = "Kernel event type not supported", [ ERROR_INDEX(LTTNG_ERR_NEED_CHANNEL_NAME) ] = "Non-default channel exists within session: channel name needs to be specified with '-c name'", [ ERROR_INDEX(LTTNG_ERR_INVALID) ] = "Invalid parameter", @@ -156,11 +165,41 @@ static const char *error_string_array[] = { [ ERROR_INDEX(LTTNG_ERR_NO_CHANNEL) ] = "No channel found in the session", [ ERROR_INDEX(LTTNG_ERR_SESSION_INVALID_CHAR) ] = "Invalid character found in session name", [ ERROR_INDEX(LTTNG_ERR_SAVE_FILE_EXIST) ] = "Session file already exists", - [ ERROR_INDEX(LTTNG_ERR_SAVE_IO_FAIL) ] = "IO error while writting session configuration", + [ ERROR_INDEX(LTTNG_ERR_SAVE_IO_FAIL) ] = "IO error while writing session configuration", [ ERROR_INDEX(LTTNG_ERR_LOAD_INVALID_CONFIG) ] = "Invalid session configuration", [ ERROR_INDEX(LTTNG_ERR_LOAD_IO_FAIL) ] = "IO error while reading a session configuration", [ ERROR_INDEX(LTTNG_ERR_LOAD_SESSION_NOENT) ] = "Session file not found", [ ERROR_INDEX(LTTNG_ERR_MAX_SIZE_INVALID) ] = "Snapshot max size is invalid", + [ ERROR_INDEX(LTTNG_ERR_MI_OUTPUT_TYPE) ] = "Invalid MI output format", + [ ERROR_INDEX(LTTNG_ERR_MI_IO_FAIL) ] = "IO error while writing MI output", + [ ERROR_INDEX(LTTNG_ERR_MI_NOT_IMPLEMENTED) ] = "Mi feature not implemented", + [ ERROR_INDEX(LTTNG_ERR_INVALID_EVENT_NAME) ] = "Invalid event name", + [ ERROR_INDEX(LTTNG_ERR_INVALID_CHANNEL_NAME) ] = "Invalid channel name", + [ 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", + [ ERROR_INDEX(LTTNG_ERR_INVALID_TRIGGER) ] = "Invalid trigger", + [ ERROR_INDEX(LTTNG_ERR_TRIGGER_EXISTS) ] = "Trigger already registered", + [ ERROR_INDEX(LTTNG_ERR_TRIGGER_NOT_FOUND) ] = "Trigger not found", + [ ERROR_INDEX(LTTNG_ERR_COMMAND_CANCELLED) ] = "Command cancelled", + [ ERROR_INDEX(LTTNG_ERR_ROTATION_PENDING) ] = "Rotation already pending for this session", + [ ERROR_INDEX(LTTNG_ERR_ROTATION_NOT_AVAILABLE) ] = "Rotation feature not available for this session's creation mode", + [ ERROR_INDEX(LTTNG_ERR_ROTATION_TIMER_SET) ] = "Automatic timer-based rotation schedule already set for this session", + [ ERROR_INDEX(LTTNG_ERR_ROTATION_SIZE_SET) ] = "Automatic size-based rotation schedule already set for this session", + [ ERROR_INDEX(LTTNG_ERR_ROTATION_NO_TIMER_SET) ] = "No automatic timer-based rotation schedule set for this session", + [ ERROR_INDEX(LTTNG_ERR_ROTATION_NO_SIZE_SET) ] = "No automatic size-based rotation schedule set for this session", + [ ERROR_INDEX(LTTNG_ERR_ROTATION_MULTIPLE_AFTER_STOP) ] = "Session was already rotated once since it became inactive", + [ ERROR_INDEX(LTTNG_ERR_ROTATION_WRONG_VERSION) ] = "Session rotation is not supported by this kernel tracer version", + [ ERROR_INDEX(LTTNG_ERR_NO_SESSION_OUTPUT) ] = "Session has no output", + [ ERROR_INDEX(LTTNG_ERR_ROTATION_NOT_AVAILABLE_RELAY) ] = "Rotation feature not available on the relay", /* Last element */ [ ERROR_INDEX(LTTNG_ERR_NR) ] = "Unknown error code" @@ -183,3 +222,22 @@ const char *error_get_str(int32_t 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(); + } +}