diff options
Diffstat (limited to 'logger.c')
-rw-r--r-- | logger.c | 36 |
1 files changed, 36 insertions, 0 deletions
@@ -32,6 +32,9 @@ #include <stdlib.h> #include <errno.h> #include <sys/stat.h> +#ifdef STACK_BACKTRACES +#include <execinfo.h> +#endif #define SYSLOG_NAMES /* so we can map syslog facilities names to their numeric values, from <syslog.h> which is included by logger.h */ @@ -816,6 +819,39 @@ void ast_log(int level, const char *file, int line, const char *function, const } } +void ast_backtrace(void) +{ +#ifdef STACK_BACKTRACES + int count=0, i=0; + void **addresses; + char **strings; + + addresses = calloc(levels, sizeof(void *)); + if (addresses) { + count = backtrace(addresses, 20); + strings = backtrace_symbols(addresses, count); + if (strings) { + ast_log(LOG_WARNING, "Got %d backtrace record%c\n", count, count != 1 ? 's' : ' '); + for (i=0; i < count ; i++) { + ast_log(LOG_WARNING, "#%d: [%08X] %s\n", i, (unsigned int)addresses[i], strings[i]); + } + free(strings); + } else { + ast_log(LOG_WARNING, "Could not allocate memory for backtrace\n"); + } + free(addresses); + } else { + ast_log(LOG_WARNING, "Could not allocate memory for backtrace\n"); + } +#else +#ifdef Linux + ast_log(LOG_WARNING, "Must compile with 'make dont-optimize' for stack backtraces\n"); +#else + ast_log(LOG_WARNING, "Inline stack backtraces are only available on the Linux platform.\n"); +#endif +#endif +} + void ast_verbose(const char *fmt, ...) { static char stuff[4096]; |